/* AI Writer Pro - 修复版样式
 * Version: 4.0.51
 * 更新: 添加公众号托管功能样式
 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ===== 基础样式变量 ===== */
:root {
    /* 主色调 */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #667eea 0%, #4facfe 100%);
    --success-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    
    /* 基础颜色 */
    --primary-color: #667eea;
    --secondary-color: #4facfe;
    --accent-color: #667eea;
    --success-color: #43e97b;
    --warning-color: #ffa726;
    --danger-color: #ef5350;
    
    /* 背景和表面 */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-glass: rgba(255, 255, 255, 0.8);
    --bg-surface: #f1f5f9;
    --bg-hover: #f8fafc;
    
    /* 文字颜色 */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-accent: #667eea;
    
    /* 边框和分割线 */
    --border-color: #e2e8f0;
    --border-accent: rgba(102, 126, 234, 0.2);
    
    /* 阴影 */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 4px 20px rgba(102, 126, 234, 0.15);
    
    /* 圆角和间距 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --spacing-xs: 0.25rem; /* 4px */
    --spacing-sm: 0.5rem;  /* 8px */
    --spacing-md: 0.75rem; /* 12px */
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* 字体 */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* 动画 */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== 基础重置 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ===== 粒子背景 ===== */
.particles-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: 
        radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(75, 172, 254, 0.03) 0%, transparent 50%);
}

/* ===== 文件上传显示区域 ===== */
.uploaded-files-display {
    margin-top: var(--spacing-sm);
}

.files-list {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    backdrop-filter: blur(10px);
}

.files-list h5 {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.files-list h5 i {
    color: var(--primary-color);
}

.file-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.file-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.file-item:hover {
    border-color: var(--border-accent);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.file-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    color: var(--primary-color);
    font-size: 0.875rem;
}

.file-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.file-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.2;
}

.file-size {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.file-remove {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.file-remove:hover {
    background: var(--danger-color);
    color: white;
}

/* ===== 对话界面改进 ===== */
.chat-messages {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-height: 400px;
    overflow-y: auto;
    padding: var(--spacing-sm);
    background: var(--bg-glass);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    margin-bottom: var(--spacing-sm);
}

.message {
    display: flex;
    gap: var(--spacing-sm);
    animation: slideIn 0.3s ease-out;
}

.message.user {
    flex-direction: row-reverse;
}

.message-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    color: white;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.message.user .message-avatar {
    background: var(--primary-gradient);
}

.message.assistant .message-avatar {
    background: var(--secondary-gradient);
}

.message-content {
    flex: 1;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    line-height: 1.5;
    max-width: 80%;
}

.message.user .message-content {
    background: var(--primary-gradient);
    color: white;
    border-bottom-right-radius: var(--radius-sm);
}

.message.assistant .message-content {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-bottom-left-radius: var(--radius-sm);
}

.message-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== 输入区域改进 ===== */
.chat-input-container {
    position: relative;
}

.chat-input {
    width: 100%;
    min-height: 100px;
    max-height: 200px;
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 0.875rem;
    line-height: 1.5;
    resize: vertical;
    transition: var(--transition);
    background: var(--bg-secondary);
}

.chat-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.chat-input:focus + .input-hint {
    opacity: 1;
    transform: translateY(0);
}

.input-hint {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    font-size: 0.75rem;
    color: var(--text-muted);
    opacity: 0;
    transform: translateY(-5px);
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

/* ===== 历史文章区域 ===== */
.history-section {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.history-section .section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm);
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.history-section .section-header:hover {
    background: var(--bg-hover);
}

.history-section .section-header h4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0;
}

.toggle-icon {
    margin-left: var(--spacing-xs);
    transition: var(--transition);
}

.history-section.collapsed .toggle-icon {
    transform: rotate(180deg);
}

.history-list {
    max-height: 200px;
    overflow-y: auto;
    padding: var(--spacing-sm);
    padding-right: 4px;
    transition: var(--transition);
}

.history-section.collapsed .history-list {
    max-height: 0;
    padding: 0 var(--spacing-sm);
    opacity: 0;
}

.history-section.expanded .history-list {
    max-height: 200px;
    padding: var(--spacing-sm);
    opacity: 1;
}

.history-list::-webkit-scrollbar {
    width: 4px;
}

.history-list::-webkit-scrollbar-track {
    background: var(--bg-surface);
    border-radius: 2px;
}

.history-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 2px;
}

.history-list::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

.history-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: var(--spacing-xs);
}

.history-item:hover {
    background: var(--bg-hover);
    transform: translateX(2px);
}

.history-item:last-child {
    margin-bottom: 0;
}

/* ===== AI聊天区域改进 ===== */
.ai-chat-section {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 400px;
}

.chat-input-area {
    margin-top: auto;
}

/* ===== 左右面板布局改进 ===== */
.left-panel {
    display: flex;
    flex-direction: column;
    height: 100%;
    gap: var(--spacing-md);
}

.right-panel {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.article-canvas {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    overflow: hidden;
}

.canvas-content {
    flex: 1;
    padding: var(--spacing-lg);
    overflow-y: auto;
}

/* ===== 编辑器头部优化 ===== */
.editor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-glass);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.back-to-workshop {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.back-to-workshop:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.back-to-workshop i {
    font-size: 0.875rem;
}

.back-text {
    font-weight: 600;
}

/* ===== 新的顶部控制区域样式 ===== */
.top-controls-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.project-header-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex: 1;
    min-width: 300px;
}

.project-info {
    display: flex;
    align-items: center;
}

.project-breadcrumb {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.current-project-name {
    color: var(--text-primary);
    font-weight: 600;
}

.controls-section {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: 120px;
    align-items: flex-start;
}

.control-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.control-select {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.control-select:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.control-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

/* 文件上传状态显示 */
.uploaded-file-info {
    margin-top: 0.25rem;
}

.file-status {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    color: var(--success-color);
    background: rgba(67, 233, 123, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    max-width: 120px;
}

.file-status i {
    font-size: 10px;
}

.file-status span:first-of-type {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-count {
    background: var(--success-color);
    color: white;
    font-size: 9px;
    padding: 1px 4px;
    border-radius: 8px;
    font-weight: 600;
}

/* ===== 新的双栏布局样式 ===== */
.dual-panel-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    height: calc(100vh - 280px); /* 根据顶部控制区域调整高度 */
    min-height: 600px;
}

/* 左侧对话面板 */
.chat-panel {
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    height: 100%;
}

.chat-panel-header {
    padding: var(--spacing-sm);
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.ai-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-primary);
    font-weight: 500;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success-color);
    animation: pulse 2s infinite;
}

.chat-messages-container {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.chat-messages {
    height: 100%;
    overflow-y: auto;
    padding: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* 消息样式优化 */
.message {
    display: flex;
    gap: var(--spacing-xs);
    max-width: 100%;
    animation: messageSlideIn 0.3s ease-out;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    flex-shrink: 0;
}

.message.user .message-avatar {
    background: var(--secondary-gradient);
}

.message-content {
    flex: 1;
    background: var(--bg-surface);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    word-wrap: break-word;
}

.message.user .message-content {
    background: var(--bg-glass);
    border: 1px solid var(--border-accent);
}

.message-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* 输入区域 */
.chat-input-area {
    padding: var(--spacing-sm);
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
}

.chat-input-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.chat-input {
    width: 100%;
    min-height: 80px;
    max-height: 120px;
    padding: var(--spacing-xs);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    resize: vertical;
    font-family: inherit;
    font-size: 0.9rem;
    line-height: 1.4;
    transition: border-color 0.2s ease;
}

.chat-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.chat-input-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.input-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* 右侧预览面板 */
.preview-panel {
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    height: 100%;
}

.preview-panel-header {
    padding: var(--spacing-sm);
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.preview-panel-header h4 {
    margin: 0;
    color: var(--text-primary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.canvas-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.preview-content-container {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.canvas-content {
    height: 100%;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.canvas-placeholder {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    height: 100% !important;
    color: var(--text-muted) !important;
    text-align: center !important;
    width: 100% !important;
    margin: 0 auto !important;
    padding: 0 !important;
}

.canvas-placeholder i {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

/* 历史文章区域优化 */
.history-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    transition: all 0.3s ease;
}

.history-section.collapsed {
    transform: translateY(-5px);
}

.history-section.collapsed .history-list {
    max-height: 0;
    opacity: 0;
}

.history-section.expanded .history-list {
    max-height: 200px;
    opacity: 1;
}

.section-header {
    padding: var(--spacing-sm);
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.section-header:hover {
    background: var(--bg-hover);
}

.section-header h4 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-primary);
    font-weight: 600;
}

.toggle-icon {
    transition: transform 0.3s ease;
}

.history-section.collapsed .toggle-icon {
    transform: rotate(180deg);
}

.history-list {
    max-height: 200px;
    opacity: 1;
    overflow: hidden;
    transition: all 0.3s ease;
    padding: var(--spacing-xs);
}

.history-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.history-item:hover {
    background: var(--bg-hover);
}

.history-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.history-content {
    flex: 1;
}

.history-title {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.history-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* 动画效果 */
@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 历史文章功能样式 */
.loading-history {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.loading-history i {
    font-size: 24px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.empty-history {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-history i {
    font-size: 48px;
    margin-bottom: 20px;
    color: var(--text-muted);
}

.empty-history h3 {
    margin-bottom: 10px;
    color: var(--text-primary);
}

.history-item-modal {
    display: flex;
    align-items: flex-start;
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
}

.history-item-modal:hover {
    background-color: var(--bg-hover);
}

.history-item-modal:last-child {
    border-bottom: none;
}

.history-icon-modal {
    width: 40px;
    height: 40px;
    background: var(--primary-gradient);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
    flex-shrink: 0;
}

.history-icon-modal i {
    color: white;
    font-size: 16px;
}

.history-content-modal {
    flex: 1;
    min-width: 0;
}

.history-title-modal {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    font-size: 15px;
    line-height: 1.4;
}

.history-meta-modal {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.history-preview {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.history-actions-modal {
    display: flex;
    gap: 8px;
    margin-left: 12px;
    flex-shrink: 0;
}

.history-actions-modal .btn {
    padding: 6px 12px;
    font-size: 12px;
    min-width: auto;
}

/* 最新文章显示区域样式优化 */
.latest-article .article-item {
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 6px;
    padding: 8px;
}

.latest-article .article-item:hover {
    background-color: var(--bg-hover);
    transform: translateY(-1px);
}

.latest-article .article-title {
    font-weight: 500;
    color: var(--text-primary);
}

.latest-article .article-meta {
    color: var(--text-secondary);
    font-size: 11px;
}

/* 自动保存指示器 */
.auto-save-indicator {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--success-color);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    z-index: 10000;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.auto-save-indicator.show {
    opacity: 1;
    transform: translateY(0);
}

.auto-save-indicator i {
    margin-right: 6px;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .dual-panel-container {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr 1fr;
        height: auto;
        min-height: 800px;
    }
    
    .controls-section {
        flex-wrap: wrap;
        justify-content: flex-start;
    }
    
    .project-header-section {
        flex-wrap: wrap;
        min-width: auto;
    }
}

@media (max-width: 768px) {
    .top-controls-row {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }
    
    .project-header-section {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }
    
    .controls-section {
        justify-content: stretch;
    }
    
    .control-group {
        min-width: auto;
        flex: 1;
    }
}

/* ===== 编辑器工作区间距优化 ===== */
.editor-workspace-grid {
    padding: var(--spacing-md) var(--spacing-lg);
    gap: var(--spacing-md);
}

.top-controls-row {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.main-content-area {
    margin-top: 0;
}

/* ===== 画布头部优化 ===== */
.canvas-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-surface);
}

.canvas-actions {
    display: flex;
    gap: var(--spacing-xs);
}

#sync-to-design-btn {
    background: var(--success-gradient);
    color: white;
    border: none;
    font-weight: 600;
}

#sync-to-design-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}



/* ===== 侧边栏 ===== */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 180px;
    height: 100vh;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    z-index: 100;
    overflow-y: auto;
    box-shadow: var(--shadow-md);
}

.sidebar-header {
    padding: 16px 8px;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: transparent;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
}

.logo-text h2 {
    font-size: 20px;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
    overflow: visible;
}

.logo-text span {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

.version-tag {
    display: inline-block;
    background: var(--bg-surface);
    color: var(--text-secondary);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 10px;
    margin-top: 4px;
}

/* 导航菜单 */
.nav-menu {
    list-style: none;
    padding: var(--spacing-md) 4px;
    /* 调整上边距，让导航项目不要太靠下 */
    margin-top: 10px;
    /* 减少左边距 */
    padding-left: 8px;
}

.nav-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    color: var(--text-secondary);
    /* 扩大背景框到红框大小，文字不分行 */
    width: calc(100% - var(--spacing-xs) * 2);
    box-sizing: border-box;
    white-space: nowrap;
}

.nav-item:hover {
    background: var(--bg-glass);
    color: var(--text-primary);
    transform: translateX(8px);
}

.nav-item.active {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-accent);
    box-shadow: var(--shadow-glow);
}

.nav-icon {
    width: 40px;
    height: 40px;
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: var(--transition);
}

.nav-item.active .nav-icon {
    background: var(--primary-gradient);
    color: white;
    box-shadow: var(--shadow-glow);
}

.sidebar-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 5px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 5px;
    position: relative;
    padding: 8px 2px;
    border-radius: 8px;
    transition: background 0.2s;
    cursor: pointer;
}

.user-profile:hover {
    background: var(--bg-hover);
}

.avatar {
    width: 42px;
    height: 42px;
    background: var(--bg-surface);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    flex-shrink: 0;
    font-size: 16px;
}

.avatar.logged-in {
    background: var(--primary-gradient);
    color: white;
}

.user-info {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.user-info span {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 14px;
    line-height: 1.4;
    margin-bottom: 4px;
}

.user-info span.not-logged-in {
    color: #ef4444;
}

.user-info small {
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.4;
    display: block;
    white-space: nowrap;
}

.user-menu-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-menu-btn:hover {
    background: var(--bg-hover);
    color: var(--primary-color);
}

.user-menu {
    position: absolute;
    bottom: 60px;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 8px;
    z-index: 1000;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
}

.user-menu[style*="display: block"] {
    pointer-events: auto;
    opacity: 1;
    visibility: visible;
}

.user-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-size: 14px;
}

.user-menu a:hover {
    background: var(--bg-hover);
    color: var(--primary-color);
}

.user-menu a i {
    width: 18px;
    text-align: center;
}

/* ===== 主内容区域 ===== */
.main-content {
    margin-left: 190px;
    margin-right: 10px;
    min-height: 100vh;
    padding: var(--spacing-md);
    background: var(--bg-primary);
}

/* ===== 页面切换系统 - 修复版 ===== */
.page {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease-out;
}

.page.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* 工作坊视图切换 */
.workshop-view {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease-out;
}

.workshop-view.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* ===== 项目选择页面 ===== */
.project-selection-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md) 0;
}

.project-selection-header .header-content h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    line-height: 1.1;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.project-selection-header .header-content p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 500px;
}

.header-stats {
    display: flex;
    gap: var(--spacing-lg);
}

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.stat-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* 项目展示区域 */
.projects-showcase {
    margin-bottom: var(--spacing-xl);
}

.showcase-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.showcase-header h2 {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.showcase-header i {
    color: var(--primary-color);
}

/* 项目卡片网格 */
.project-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    max-width: 100%;
}

/* 新的卡片布局样式 */
.card-content-new {
    padding: 10px 12px;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 4px;
    justify-content: flex-start;
    position: relative;
}

/* 操作按钮行 - 右上角 */
.card-actions-row {
    position: absolute;
    top: 6px;
    right: 6px;
    z-index: 10;
}

.card-actions-row .project-actions {
    display: flex;
    gap: 2px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.project-card:hover .card-actions-row .project-actions {
    opacity: 1;
}

.card-content-new .project-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 11px;
    color: var(--text-muted);
    margin-top: auto;
}

.card-content-new .meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.card-content-new .meta-item i {
    font-size: 10px;
    color: var(--primary-color);
}

.card-top-row {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding-right: 60px; /* 为右上角按钮留出空间 */
}

.project-title-horizontal {
    flex: 1;
    margin: 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-description-area {
    flex: 1;
    display: flex;
    align-items: center;
    min-height: 40px;
}

.project-description-text {
    margin: 0;
    font-size: 13px;
    font-weight: 400;
    color: var(--text-secondary);
    line-height: 1.4;
}

.project-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    overflow: hidden;
    min-height: 180px;
    height: 180px;
}

.project-card:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

/* 项目卡片头部 */
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-surface);
}

.project-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
}

.project-title h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.project-icon {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: white;
    flex-shrink: 0;
}

.project-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.star-btn, .delete-btn {
    width: 24px;
    height: 24px;
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    opacity: 0.6;
}

.star-btn:hover, .delete-btn:hover {
    opacity: 1;
    background: var(--bg-hover);
}

.star-btn.starred {
    color: #ffd700;
    opacity: 1;
}

.delete-btn:hover {
    color: var(--danger-color);
    background: rgba(239, 83, 80, 0.1);
}

/* 星标项目样式 */
.project-card[data-starred="true"] {
    border-color: #ffd700;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.05) 0%, transparent 100%);
}

.project-card[data-starred="true"]::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #ffd700 0%, transparent 100%);
}

/* 卡片内容区域 */
.card-content {
    padding: var(--spacing-xs) var(--spacing-md) var(--spacing-md) var(--spacing-md);
    position: relative;
    z-index: 2;
}

.project-card.create-new {
    border: 2px dashed var(--border-color);
    min-height: 140px;
}

.project-card.create-new:hover {
    border-color: var(--primary-color);
    background: var(--bg-glass);
}

.project-card.create-new .project-actions .action-btn {
    pointer-events: none;
    opacity: 0.3 !important;
}

/* 拖拽状态 */
.project-card.dragging {
    opacity: 0.5;
    transform: rotate(2deg);
    z-index: 1000;
}

.project-cards.drag-over {
    background: rgba(102, 126, 234, 0.05);
    border-radius: var(--radius-md);
}

.project-icon.tech {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.project-icon.marketing {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.project-icon.create {
    background: var(--bg-surface);
    color: var(--text-secondary);
    border: 2px dashed var(--border-color);
}

.project-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
    font-size: 14px;
}

.project-meta {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: var(--text-muted);
}

.project-meta i {
    margin-right: 4px;
}

.create-hint {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: var(--spacing-sm);
}

/* ===== AI编辑工作台 ===== */
.editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--border-color);
}

.editor-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.breadcrumb-item {
    color: var(--text-secondary);
    font-size: 14px;
}

.breadcrumb-item.current {
    color: var(--text-primary);
    font-weight: 500;
}

.breadcrumb-separator {
    color: var(--text-muted);
    font-size: 12px;
}

.editor-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* 顶部控制区域 */
.top-controls-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.control-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.control-group i {
    color: var(--primary-color);
}

/* 字数选择按钮 */
.word-options {
    display: flex;
    gap: var(--spacing-xs);
}

.word-option {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
    font-weight: 500;
}

.word-option:hover {
    border-color: var(--primary-color);
    background: var(--bg-glass);
}

.word-option.active {
    background: var(--primary-gradient);
    color: white;
    border-color: var(--primary-color);
}

.control-select {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 14px;
}

.control-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* 主要内容区域 */
.main-content-area {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

/* 左侧面板 */
.left-panel {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* 历史文章部分 */
.history-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.section-header h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.section-header i {
    color: var(--primary-color);
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.history-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.history-item:hover {
    background: var(--bg-glass);
}

.history-icon {
    width: 32px;
    height: 32px;
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 14px;
}

.history-content {
    flex: 1;
}

.history-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.history-meta {
    font-size: 12px;
    color: var(--text-muted);
}

/* AI聊天部分 */
.ai-chat-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.chat-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-purple {
    background: linear-gradient(135deg, #8b5cf6, #a855f7);
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 4px;
}

.btn-purple:hover {
    background: linear-gradient(135deg, #7c3aed, #9333ea);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.btn-purple:active {
    transform: translateY(0);
}

.ai-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.ai-status i {
    color: var(--primary-color);
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.chat-input-container {
    position: relative;
}

.chat-input {
    width: 100%;
    min-height: 120px;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.6;
    resize: vertical;
    font-family: var(--font-primary);
}

.chat-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.chat-input::placeholder {
    color: var(--text-muted);
    line-height: 1.4;
}

/* 右侧面板 */
.right-panel {
    display: flex;
    flex-direction: column;
}

.article-canvas {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    height: 100%;
}

.canvas-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.canvas-header h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.canvas-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.canvas-content {
    flex: 1;
    min-height: 400px;
}

.canvas-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    color: var(--text-muted);
}

.canvas-placeholder i {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    color: var(--text-muted);
}

.canvas-placeholder h3 {
    font-size: 18px;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

/* 生成的文章样式 */
.generated-article {
    color: var(--text-primary);
    line-height: 1.5;
}

.generated-article h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5em;
    margin-bottom: 1em;
}

.generated-article h2 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 2em;
    margin-bottom: 1em;
}

.generated-article p {
    color: var(--text-secondary);
    margin-top: 0;
    margin-bottom: 2.5em; /* Further increased spacing between paragraphs */
}

.generated-article blockquote {
    margin: 1.5em 0;
    padding: 0.5em 1.5em;
    border-left: 4px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
}

.generated-article ul, .generated-article ol {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
}

.generated-article li {
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

.generated-article li strong {
    color: var(--text-primary);
}

/* 生成中占位符 */
.generating-placeholder {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    height: 100% !important;
    text-align: center !important;
    margin: 0 !important;
    padding: 0 !important;
}

.generating-placeholder h3,
.generating-placeholder p {
    margin: 1px 0 !important;
    text-align: center !important;
    color: var(--text-muted) !important;
}

/* 确保生成中占位符在预览区域中也能居中显示 */
#article-preview-content .generating-placeholder,
#article-preview-content .generating-placeholder h3,
#article-preview-content .generating-placeholder p {
    text-align: center !important;
    margin-left: auto !important;
    margin-right: auto !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
}

#article-preview-content .generating-placeholder {
    width: 100% !important;
    height: 100% !important;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== 按钮样式 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-primary);
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-glass);
    border-color: var(--border-accent);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid transparent;
}

.btn-ghost:hover {
    background: var(--bg-glass);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-glass {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.btn-glass:hover {
    background: var(--bg-secondary);
    box-shadow: var(--shadow-sm);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 12px;
}

.btn-success {
    background: var(--success-gradient);
    color: white;
}

.btn-success:hover {
    box-shadow: 0 4px 20px rgba(67, 233, 123, 0.3);
}

/* ===== 最近项目 ===== */
.recent-projects {
    margin-top: var(--spacing-xl);
}

.recent-projects h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.recent-projects i {
    color: var(--primary-color);
}

.empty-recent {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
}

.empty-recent i {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    color: var(--text-muted);
}

.empty-recent p {
    font-size: 16px;
    margin-bottom: var(--spacing-xs);
}

.empty-recent small {
    font-size: 14px;
}

/* ===== 模态框 ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: white;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    max-width: 800px;
    width: 95%;
    max-height: 85vh;
    overflow: hidden;
    transform: scale(0.9);
    transition: var(--transition);
    border: 1px solid #e5e7eb;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 18px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--bg-surface);
    color: var(--text-primary);
}

/* 微信公众号账号列表样式 */
.wechat-account-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transform: translateY(-1px);
}

.wechat-account-item input[type="checkbox"]:checked ~ div {
    font-weight: 600;
}

.wechat-account-item button:hover {
    background: #fee2e2 !important;
    color: #dc2626 !important;
}

/* 公众号列表滚动条样式 */
#wechat-accounts-list::-webkit-scrollbar {
    width: 6px;
}

#wechat-accounts-list::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

#wechat-accounts-list::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

#wechat-accounts-list::-webkit-scrollbar-thumb:hover {
    background: #a0a0a0;
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

/* 表单样式 */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-primary);
}

.input-field {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 14px;
    font-family: var(--font-primary);
}

.input-field:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.input-field::placeholder {
    color: var(--text-muted);
}

/* 项目提示词编辑框专用样式 */
#edit-system-prompt {
    min-height: 420px;
    resize: vertical;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.6;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    transition: var(--transition);
}

#edit-system-prompt:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    outline: none;
}

/* 提示词模态框专用样式 */
.modal-overlay.prompt-modal .modal {
    max-width: 900px;
    width: 95%;
}

.modal-overlay.prompt-modal .modal-body {
    padding: var(--spacing-md) var(--spacing-lg);
}

/* 提示词标题和保存按钮布局 */
.prompt-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.prompt-label {
    font-size: 18px !important;
    font-weight: 600 !important;
    color: var(--text-primary) !important;
    margin: 0 !important;
}

.save-prompt-top {
    background: var(--primary-gradient) !important;
    color: white !important;
    border: none !important;
    padding: var(--spacing-xs) var(--spacing-md) !important;
    border-radius: var(--radius-md) !important;
    font-weight: 600 !important;
    font-size: 14px !important;
    cursor: pointer !important;
    transition: var(--transition) !important;
    box-shadow: var(--shadow-glow) !important;
    display: flex !important;
    align-items: center !important;
    gap: var(--spacing-xs) !important;
}

.save-prompt-top:hover {
    transform: translateY(-1px) !important;
    box-shadow: var(--shadow-lg) !important;
}

.save-prompt-top:disabled {
    opacity: 0.7 !important;
    cursor: not-allowed !important;
    transform: none !important;
}

.modal-overlay.prompt-modal .form-group {
    margin-bottom: var(--spacing-sm);
}

.modal-overlay.prompt-modal .editor-tips {
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-top: var(--spacing-sm);
    border-left: 4px solid var(--primary-color);
}

.modal-overlay.prompt-modal .editor-tips p {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.modal-overlay.prompt-modal .editor-tips i {
    color: var(--primary-color);
}

.modal-overlay.prompt-modal .editor-tips ul {
    margin: 0;
    padding-left: var(--spacing-lg);
}

.modal-overlay.prompt-modal .editor-tips li {
    margin: var(--spacing-xs) 0;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* 提示词模态框按钮样式优化 */
.modal-overlay.prompt-modal .modal-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
}

.modal-overlay.prompt-modal .save-prompt {
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-glow);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.modal-overlay.prompt-modal .save-prompt:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.modal-overlay.prompt-modal .save-prompt::before {
    content: '\f0c7';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
}

.modal-overlay.prompt-modal .cancel-prompt {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.modal-overlay.prompt-modal .cancel-prompt:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--primary-color);
}

/* 历史文章模态框优化 */
#history-modal .modal {
    max-width: 900px;
    width: 95%;
    max-height: 85vh;
}

#history-modal .modal-body {
    padding: 0;
    max-height: 70vh;
    overflow: hidden;
}

.history-articles-list {
    max-height: 70vh;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.history-articles-list::-webkit-scrollbar {
    width: 8px;
}

.history-articles-list::-webkit-scrollbar-track {
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
}

.history-articles-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-sm);
}

.history-articles-list::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* 历史文章项目优化 */
.history-item-modal {
    margin-bottom: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.history-item-modal:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.history-preview {
    margin-top: var(--spacing-xs);
    padding: var(--spacing-xs);
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--primary-color);
}

/* 空状态和加载状态优化 */
.empty-history {
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

.empty-history i {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.loading-history {
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

.loading-history i {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

/* ===== 通知系统 ===== */
.notification {
    position: fixed;
    top: 10px;
    left: 50%;
    transform: translateX(-50%) translateY(-100%);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 8px 16px;
    box-shadow: var(--shadow-lg);
    z-index: 10000;
    max-width: 500px;
    font-size: 13px;
    font-weight: 500;
    transition: transform 0.3s ease-in-out;
    display: flex;
    align-items: center;
    gap: 8px;
}

.notification.show {
    transform: translateX(-50%) translateY(0);
}

.notification.success {
    border-left: 4px solid var(--success-color);
    color: var(--success-color);
}

.notification.error {
    border-left: 4px solid var(--danger-color);
    color: var(--danger-color);
}

.notification.info {
    border-left: 4px solid var(--primary-color);
    color: var(--primary-color);
}

/* ===== 编辑器页面样式 ===== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-xl);
}

.header-content h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.1;
}

.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-content p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 500px;
}

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* 风格选择 */
.style-gallery {
    margin-bottom: var(--spacing-xl);
}

.style-gallery h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.style-tabs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.style-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.style-tab:hover {
    border-color: var(--border-accent);
    background: var(--bg-glass);
}

.style-tab.active {
    border-color: var(--primary-color);
    background: var(--bg-glass);
    box-shadow: var(--shadow-glow);
}

.style-tab i {
    font-size: 24px;
    color: var(--primary-color);
}

.style-tab span {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}



/* ===== 设置页面样式 ===== */
.settings-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

.settings-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.header-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
}

.header-info h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.header-info p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* AI模型配置 */
.ai-models {
    display: grid;
    gap: var(--spacing-lg);
}

/* 紧凑型AI模型网格布局 - 每行四个 */
.ai-models-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.ai-model-card-compact {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 10px;
    background: var(--bg-secondary);
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}

.ai-model-card-compact:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.model-header-compact {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.model-header-compact .left-content {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    width: 100%;
}

.model-info-compact {
    text-align: left;
    flex: 1;
}

.model-info-compact h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.model-info-compact .model-provider {
    font-size: 11px;
    color: var(--text-muted);
    display: block;
    margin-bottom: 2px;
}

.model-info-compact .model-status {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 500;
}

.api-config-compact {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-top: 2px;
    flex: 1;
}

.api-config-compact .form-group {
    margin-bottom: 0;
    flex: 1;
}

.api-config-compact label {
    font-size: 10px;
    color: var(--text-secondary);
    margin-bottom: 3px;
    display: block;
}

.api-config-compact .form-control {
    font-size: 11px;
    padding: 6px 8px;
    width: 100%;
}

.api-config-compact .input-with-button {
    display: flex;
    gap: 4px;
    width: 100%;
}

.api-config-compact .input-with-button input {
    flex: 1;
}

.ai-model-card-compact .test-connection {
    margin-top: 6px;
    padding: 4px 8px;
    font-size: 10px;
    width: 100%;
}

.api-config-compact .btn.test-connection {
    position: absolute;
    top: 12px;
    right: 12px;
    width: auto;
    font-size: 12px;
    padding: 6px 12px;
    background: var(--primary-gradient);
    color: white;
    border: none;
}

.api-config-compact .btn.test-connection:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}


.api-config-compact .input-with-button input {
    font-size: 14px;
}

/* Logo尺寸调整 */
.model-header-compact .model-logo {
    width: 36px;
    height: 36px;
    font-size: 14px;
}

/* 新增模型Logo颜色 */
.model-logo.yuanbao {
    background: linear-gradient(135deg, #00c6ff 0%, #0072ff 100%);
}

.model-logo.kimi {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
}

.model-logo.glm {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.model-logo.custom {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* 响应式 - 中等屏幕2列 */
@media (max-width: 1200px) {
    .ai-models-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 响应式 - 小屏幕2列 */
@media (max-width: 768px) {
    .ai-models-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }

    .ai-model-card-compact {
        padding: 6px;
    }

    /* 移动端隐藏图标 */
    .ai-model-card-compact .model-logo {
        display: none !important;
    }

    .model-header-compact {
        margin-bottom: 4px;
        padding-bottom: 4px;
    }

    .model-info-compact h4 {
        font-size: 12px;
    }

    .model-info-compact .model-provider {
        font-size: 9px;
    }

    .model-info-compact .model-status {
        font-size: 9px;
    }

    .api-config-compact label {
        font-size: 9px;
    }

    .api-config-compact .form-control {
        font-size: 10px;
        padding: 4px 6px;
    }

    .ai-model-card-compact .test-connection {
        padding: 3px 6px;
        font-size: 9px;
    }
}



.ai-model-card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    transition: var(--transition);
}

.ai-model-card:hover {
    border-color: var(--border-accent);
    background: var(--bg-glass);
}

.ai-model-card.active {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.model-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.model-logo {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
}

.model-logo.claude {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.model-logo.deepseek {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
}

.model-logo.doubao {
    background: linear-gradient(135deg, #4ecdc4 0%, #44a08d 100%);
}

.model-logo.tongyi {
    background: linear-gradient(135deg, #fdbb2d 0%, #22c1c3 100%);
}

.model-info {
    flex: 1;
}

.model-info h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.model-provider {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.model-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 12px;
    font-weight: 500;
}

.model-status.online {
    color: var(--success-color);
}

.model-status.offline {
    color: var(--text-muted);
}

.model-status i {
    font-size: 8px;
}

.model-description p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: var(--spacing-sm);
}

.model-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.api-config {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    display: none;
}

.ai-model-card.active .api-config {
    display: block;
}

.form-control {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 14px;
}

.input-with-button {
    display: flex;
    gap: var(--spacing-xs);
}

.input-with-button input {
    flex: 1;
}

/* ===== 响应式设计 ===== */
@media (max-width: 1200px) {
    .main-content-area {
        grid-template-columns: 1fr;
    }
    
    .project-cards {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 250px;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .main-content {
        margin-left: 0;
        padding: var(--spacing-md);
    }
    
    .project-selection-header {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .header-stats {
        flex-direction: column;
        width: 100%;
    }
    
    .project-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .project-cards {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .top-controls-row {
        grid-template-columns: 1fr;
    }
    
    .style-tabs {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .project-selection-header .header-content h1 {
        font-size: 32px;
    }
    
    .header-content h1 {
        font-size: 32px;
    }
    
    .style-tabs {
        grid-template-columns: 1fr;
    }
}

/* ===== 简化的左右双栏布局样式 ===== */
.simple-dual-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    height: calc(100vh - 280px);
    min-height: 600px;
}

/* 左侧面板 */
.left-panel {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    overflow: hidden;
}

/* 历史文章区域 - 紧凑版 */
.history-section.compact {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-md);
    flex-shrink: 0;
}

.history-section.compact .section-header {
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    user-select: none;
}

.history-section.compact .section-header h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.history-section.compact .section-header i {
    color: var(--primary-color);
    font-size: 12px;
}

.toggle-icon {
    transition: transform 0.3s ease;
}

.toggle-icon.expanded {
    transform: rotate(180deg);
}

.history-list.compact {
    max-height: 60px;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.history-list.compact.expanded {
    max-height: 300px;
}

.history-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.history-item:hover {
    background: var(--bg-glass);
}

.history-icon {
    width: 32px;
    height: 32px;
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 12px;
}

.history-content {
    flex: 1;
}

.history-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 2px;
    line-height: 1.3;
}

.history-meta {
    font-size: 11px;
    color: var(--text-muted);
}

/* AI对话区域 */
.chat-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.chat-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-glass);
}

.ai-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.ai-status i {
    color: var(--primary-color);
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-left: auto;
}

.status-indicator.online {
    background: var(--success-color);
    box-shadow: 0 0 0 2px rgba(67, 233, 123, 0.2);
}

.chat-messages-container {
    flex: 1;
    overflow: hidden;
}

.chat-messages {
    height: 100%;
    overflow-y: auto;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.message {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 90%;
}

.message.user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
}

.message.user .message-avatar {
    background: var(--bg-surface);
    color: var(--text-primary);
}

.message-content {
    flex: 1;
}

.message-content > div:first-child {
    background: var(--bg-glass);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.message.user .message-content > div:first-child {
    background: var(--primary-color);
    color: white;
    margin-left: var(--spacing-sm);
}

.message-time {
    font-size: 11px;
    color: var(--text-muted);
    padding-left: var(--spacing-sm);
}

.message.user .message-time {
    text-align: right;
    padding-left: 0;
    padding-right: var(--spacing-sm);
}

.chat-input-area {
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.chat-input-container {
    padding: var(--spacing-md);
}

.chat-input {
    width: 100%;
    min-height: 80px;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    resize: none;
    line-height: 1.5;
}

.chat-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.chat-input-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-sm);
}

.input-hint {
    font-size: 12px;
    color: var(--text-muted);
}

/* 右侧面板 */
.right-panel {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.preview-content-container {
    flex: 1;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.preview-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-glass);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.preview-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.preview-header i {
    color: var(--primary-color);
    font-size: 14px;
}

.preview-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.canvas-content {
    flex: 1;
    padding: var(--spacing-lg);
    overflow-y: auto;
    background: var(--bg-secondary);
}

/* 微信配置模态框样式 */
.wechat-config-modal-content {
    max-width: 600px;
    width: 90vw;
}

.wechat-config-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.wechat-config-form .form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.wechat-config-form label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 14px;
}

.wechat-config-form .form-input {
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.2s ease;
}

.wechat-config-form .form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.wechat-config-form .help-text {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

.wechat-config-form input[type="checkbox"] {
    width: auto;
    margin-right: var(--spacing-xs);
}

.wechat-help {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.wechat-help h4 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.wechat-help i {
    color: var(--primary-color);
}

.wechat-help ul {
    margin: 0;
    padding-left: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 13px;
}

.wechat-help li {
    margin-bottom: var(--spacing-xs);
}

.wechat-help a {
    color: var(--primary-color);
    text-decoration: none;
}

.wechat-help a:hover {
    text-decoration: underline;
}

/* 自定义风格相关样式 */
.custom-style-modal-content {
    max-width: 700px;
    width: 90vw;
}

.style-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.option-group {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    background: var(--bg-glass);
}

.option-group h4 {
    margin: 0 0 var(--spacing-md) 0;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-sm);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.color-input {
    width: 50px;
    height: 32px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xs);
    cursor: pointer;
    background: none;
}

.color-input::-webkit-color-swatch {
    border: none;
    border-radius: calc(var(--radius-xs) - 1px);
}

.custom-styles-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-height: 200px;
    overflow-y: auto;
}

.custom-style-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.custom-style-item:hover {
    background: var(--bg-surface);
    border-color: var(--primary-color);
}

.custom-style-item.active {
    background: rgba(102, 126, 234, 0.1);
    border-color: var(--primary-color);
}

.custom-style-item h5 {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.style-preview-sample {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.delete-style-btn {
    opacity: 0;
    transition: opacity 0.2s ease;
}

.custom-style-item:hover .delete-style-btn {
    opacity: 1;
}

.no-custom-styles {
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
    padding: var(--spacing-lg);
}

.canvas-placeholder {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-muted);
}

.canvas-placeholder i {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    color: var(--text-muted);
}

.canvas-placeholder h3 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.canvas-placeholder p {
    font-size: 14px !important;
    max-width: 300px !important;
    line-height: 1.5 !important;
    text-align: center !important;
    margin: 0 auto !important;
    width: 100% !important;
    display: block !important;
}

/* 强制覆盖任何可能影响canvas-placeholder文本对齐的样式 */
.canvas-content .canvas-placeholder,
.canvas-content .canvas-placeholder h3,
.canvas-content .canvas-placeholder p {
    text-align: center !important;
    margin-left: auto !important;
    margin-right: auto !important;
}

/* 专门覆盖#article-preview-content内的canvas-placeholder样式 */
#article-preview-content .canvas-placeholder,
#article-preview-content .canvas-placeholder h3,
#article-preview-content .canvas-placeholder p {
    text-align: center !important;
    margin-left: auto !important;
    margin-right: auto !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
}

#article-preview-content .canvas-placeholder {
    width: 100% !important;
    height: 100% !important;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .simple-dual-panel {
        grid-template-columns: 1fr;
        height: auto;
        gap: var(--spacing-md);
    }
    
    .left-panel {
        order: 1;
    }
    
    .right-panel {
        order: 2;
        min-height: 400px;
    }
}

@media (max-width: 768px) {
    .simple-dual-panel {
        height: auto;
        min-height: auto;
    }
    
    .chat-messages {
        padding: var(--spacing-sm);
    }
    
    .chat-input-container {
        padding: var(--spacing-sm);
    }
    
    .preview-header,
    .chat-header,
    .history-section.compact {
        padding: var(--spacing-sm);
    }
}

/* ===== 图标选择器样式 ===== */
.icon-selector-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: var(--spacing-sm);
    max-height: 400px;
    overflow-y: auto;
    padding: var(--spacing-sm);
}

.icon-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    background: var(--bg-surface);
    border: 2px solid transparent;
}

.icon-option:hover {
    background: var(--bg-glass);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.icon-option.selected {
    border-color: var(--primary-color);
    background: var(--bg-glass);
    box-shadow: var(--shadow-glow);
}

.icon-preview {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    box-shadow: var(--shadow-sm);
}

.icon-option span {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.2;
}

.icon-option.selected span {
    color: var(--primary-color);
    font-weight: 600;
}

/* 点击图标的指针样式 */
.project-icon {
    cursor: pointer;
    transition: var(--transition);
}

.project-icon:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-sm);
}

/* ===== 项目筛选器样式 ===== */
.showcase-title-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex: 1;
}

.project-filter-buttons {
    display: flex;
    gap: var(--spacing-xs);
    background: var(--bg-surface);
    padding: 4px;
    border-radius: var(--radius-md);
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.filter-btn:hover {
    background: var(--bg-glass);
    color: var(--text-primary);
}

.filter-btn.active {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-sm);
}

.filter-btn i {
    font-size: 12px;
}

.showcase-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.empty-starred-message {
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
    animation: fadeIn 0.3s ease-out;
}

.empty-starred-content {
    text-align: center;
    color: var(--text-muted);
}

.empty-starred-content i {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    color: var(--text-muted);
}

.empty-starred-content h3 {
    font-size: 18px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.empty-starred-content p {
    font-size: 14px;
    max-width: 300px;
    line-height: 1.5;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== 新的编辑器布局样式 ===== */

/* 编辑器工作区容器 */
.editor-workspace-new {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 40px);
    background: var(--bg-primary);
}

/* 顶部控制栏 */
.editor-header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    min-height: 45px;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-left-expanded {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex: 1;
    min-width: 0;
}

.project-title-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    flex-shrink: 0;
}

.project-title-section i {
    color: var(--primary-color);
}

.header-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.header-controls-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-left: var(--spacing-lg);
    flex-wrap: wrap;
}

.header-attachments {
    display: flex;
    align-items: center;
    max-width: 300px;
    flex: 1;
    min-height: 40px;
    min-width: 200px;
}

.attachments-display {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    font-size: 11px;
    color: var(--text-muted);
    height: 80px;
    width: 100%;
    overflow-y: auto;
}

/* 附件项目样式 */
.attachment-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 8px;
    background: var(--primary-color-10);
    border-radius: var(--radius-xs);
    font-size: 11px;
    color: var(--primary-color);
    border: 1px solid var(--primary-color-20);
    width: 100%;
    flex-shrink: 0;
}

.attachment-item span {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

.attachment-item i {
    font-size: 10px;
}

.attachment-item .remove-attachment {
    margin-left: auto;
    flex-shrink: 0;
    color: var(--text-muted);
    cursor: pointer;
    opacity: 0.7;
    font-size: 12px;
    padding: 2px;
}

.attachment-item .remove-attachment:hover {
    opacity: 1;
    color: var(--danger-color);
}

.no-attachments {
    color: var(--text-muted);
    text-align: center;
}

.no-attachments .file-type-hint {
    font-size: 11px;
    color: #9ca3af;
    margin-top: 4px;
}

/* 对话附件显示区域 */
.chat-attachments-display {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(139, 92, 246, 0.05);
    border-left: 3px solid var(--primary-color);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.chat-attachment-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: white;
    border-radius: var(--radius-xs);
    font-size: 12px;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
    max-width: 200px;
}

.chat-attachment-item .file-name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.chat-attachment-item i:first-child {
    color: var(--primary-color);
    font-size: 14px;
}

.chat-attachment-item .remove-chat-attachment {
    cursor: pointer;
    color: var(--text-muted);
    opacity: 0.6;
    font-size: 12px;
    transition: all 0.2s;
}

.chat-attachment-item .remove-chat-attachment:hover {
    opacity: 1;
    color: var(--danger-color);
    transform: scale(1.1);
}

.attachment-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 6px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 11px;
    color: var(--text-secondary);
}

.attachment-item i {
    color: var(--primary-color);
}

.control-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 13px;
    white-space: nowrap;
}

.control-item i {
    color: var(--primary-color);
    width: 14px;
    font-size: 12px;
}

.control-item span {
    color: var(--text-secondary);
    font-weight: 500;
    min-width: 40px;
    font-size: 12px;
}

.control-select {
    padding: 3px 6px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    font-size: 12px;
    min-width: 80px;
}

.btn-outline {
    padding: 3px 8px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-size: 12px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-outline:hover {
    background: var(--bg-hover);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* 两行紧凑布局样式 */
.header-controls-left {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-left: var(--spacing-lg);
    flex-wrap: nowrap;
}

.control-row-labels {
    display: flex;
    gap: 16px;
    align-items: center;
}

.control-row-controls {
    display: flex;
    gap: 12px;
    align-items: center;
}

.control-row-labels .control-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    min-width: 80px;
}

.control-row-labels .control-item i {
    width: 12px;
    font-size: 10px;
    text-align: center;
}

.control-row-labels .control-item span {
    font-size: 11px;
    min-width: auto;
    text-align: left;
}

.control-row-controls .control-item.compact {
    display: flex;
    align-items: center;
    gap: 4px;
    min-width: 80px;
}

.control-row-controls .control-item.compact .control-select {
    padding: 2px 4px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    font-size: 11px;
    min-width: 70px;
}

.control-row-controls .control-item.compact .btn-outline {
    padding: 2px 6px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-size: 11px;
    cursor: pointer;
    min-width: 40px;
    text-align: center;
}

.control-row-controls .control-item.compact .btn-outline:hover {
    background: var(--bg-hover);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* 主要布局区域 */
.editor-main-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    flex: 1;
    background: var(--border-color);
    overflow: hidden;
}

/* 左侧列 - 纯聊天区域 */
.left-column.chat-only {
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    height: 100%;
    overflow: hidden;
}

/* 历史文章区域 */
.history-section {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

/* 紧凑型历史文章区域 */
.history-section.compact {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
    max-height: 120px;
    padding: var(--spacing-sm) var(--spacing-md);
    overflow: visible;
}

.history-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-xs) 0;
    background: transparent;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.history-section.compact .history-header {
    padding: 0;
    background: transparent;
    margin-bottom: var(--spacing-xs);
}

.history-section.compact .article-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) 0;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.history-section.compact .article-item:hover {
    background: var(--bg-hover);
    padding: var(--spacing-xs);
    margin: 0 calc(-1 * var(--spacing-xs));
}

.history-section.compact .article-icon {
    width: 20px;
    height: 20px;
    background: var(--bg-secondary);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 10px;
    flex-shrink: 0;
    margin-top: 2px;
}

.history-section.compact .article-info {
    flex: 1;
    min-width: 0;
}

.history-section.compact .article-title {
    font-size: 13px;
    line-height: 1.3;
    margin-bottom: 2px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-section.compact .article-meta {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-header i {
    color: var(--primary-color);
    margin-right: var(--spacing-xs);
}

.btn-text {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    font-size: 12px;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.btn-text:hover {
    background: var(--bg-hover);
}

.latest-article {
    padding: var(--spacing-sm);
}

.article-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.article-item:hover {
    background: var(--bg-hover);
}

.article-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    color: var(--primary-color);
}

.article-info {
    flex: 1;
}

.article-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.article-meta {
    font-size: 11px;
    color: var(--text-muted);
}

/* 聊天区域 */
.chat-section {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    height: 100%;
    overflow: hidden;
}

.chat-header {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

/* 历史按钮样式 */
.history-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.history-btn:hover {
    background: var(--bg-glass);
    color: var(--primary-color);
    border-color: var(--border-accent);
}

.chat-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.chat-title i {
    color: var(--primary-color);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success-color);
    margin-left: auto;
}

/* 聊天消息区域 */
.chat-messages-area {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-sm);
    background: #fafbfc;
    height: 0; /* 强制flex容器计算高度 */
    scroll-behavior: smooth;
    max-height: calc(100vh - 200px); /* 增加可用高度 */
    min-height: 200px; /* 确保最小高度 */
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

/* 聊天区域滚动条样式 */
.chat-messages-area::-webkit-scrollbar {
    width: 6px;
}

.chat-messages-area::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages-area::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 3px;
}

.chat-messages-area::-webkit-scrollbar-thumb:hover {
    background-color: var(--text-muted);
}

.welcome-message {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.ai-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    flex-shrink: 0;
}

.message-bubble {
    max-width: 80%;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 12px;
    position: relative;
}

.ai-message {
    background: white;
    border: none !important;
    outline: none !important;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    margin-left: var(--spacing-xs);
}

.user-message {
    background: var(--primary-gradient);
    color: white;
    margin-left: auto;
    margin-right: var(--spacing-xs);
}

/* 用户消息容器 - 右对齐，微信风格 */
.user-message-container {
    display: flex;
    justify-content: flex-end;
    align-items: flex-end;
    gap: 8px;
    margin-bottom: var(--spacing-sm);
    padding-left: 60px;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    flex-shrink: 0;
    order: 2;
}

.user-message-bubble {
    background: var(--primary-gradient);
    color: white;
    max-width: 70%;
    padding: 10px 14px;
    border-radius: 18px;
    border-bottom-right-radius: 4px;
    border: none !important;
    outline: none !important;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    order: 1;
    word-wrap: break-word;
    position: relative;
}

.message-text {
    font-size: 14px;
    line-height: 1.4;
    margin-bottom: 4px;
}

.message-time {
    font-size: 11px;
    color: var(--text-muted);
    opacity: 0.7;
}

/* 输入区域 - 微信风格 */
.chat-input-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-sm);
}

.input-toolbar {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.tool-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.tool-btn:hover {
    background: var(--bg-hover);
    color: var(--primary-color);
}

.input-area {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-xs);
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 8px 12px;
}

.input-area-improved {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-xs);
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 8px 12px;
    min-height: 60px;
}

.message-input {
    flex: 1;
    border: none;
    background: transparent;
    resize: none;
    outline: none;
    font-family: var(--font-primary);
    font-size: 14px;
    line-height: 1.4;
    max-height: 100px;
    min-height: 20px;
}

.message-input-improved {
    flex: 1;
    border: none;
    background: transparent;
    resize: none;
    outline: none;
    font-family: var(--font-primary);
    font-size: 14px;
    line-height: 1.5;
    max-height: 120px;
    min-height: 44px;
    padding: 4px 0;
}

.tool-btn-inside {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    align-self: flex-end;
    margin-bottom: 4px;
    position: relative;
    z-index: 10;
    pointer-events: auto;
    outline: none;
}

.tool-btn-inside:hover {
    background: var(--bg-hover);
    color: var(--primary-color);
    transform: scale(1.05);
}

.tool-btn-inside:active {
    transform: scale(0.95);
    background: var(--primary-color-10);
    color: var(--primary-color);
}

.tool-btn-inside:focus {
    box-shadow: 0 0 0 2px var(--primary-color-20);
}

.send-button {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--primary-gradient);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: var(--transition);
    flex-shrink: 0;
}

.send-button:hover {
    transform: scale(1.05);
}

.input-hint {
    font-size: 11px;
    color: var(--text-muted);
    text-align: center;
    margin-top: 4px;
}

/* 右侧列 */
/* 右侧列 - 独立预览区域 */
.right-column.preview-only {
    background: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.canvas-section {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.canvas-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
}

.canvas-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.canvas-title i {
    color: var(--primary-color);
}

.canvas-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.canvas-content {
    flex: 1;
    padding: var(--spacing-sm);
    background: white;
    overflow-y: auto;
    border-radius: var(--radius-sm);
    margin: var(--spacing-xs);
    border: 1px solid var(--border-color);
    max-height: calc(100vh - 120px); /* 增加可用高度 */
    min-height: 300px; /* 最小高度 */
}

/* 确保预览区域内容可以滚动 */
#article-preview-content {
    overflow-y: auto !important;
    height: calc(100vh - 140px) !important;
    max-height: calc(100vh - 140px) !important;
    padding: 1rem 2em !important;
    line-height: 1.5;
    font-size: 15px;
    color: var(--text-primary);
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

/* 预览区域内的段落间距 */
#article-preview-content p {
    margin-bottom: 1em !important;
    margin-top: 0 !important;
}

/* 预览区域内的标题间距 */
#article-preview-content h2 {
    margin-top: 1.2em !important;
    margin-bottom: 1em !important;
}

/* 预览区域内的引用样式 */
#article-preview-content blockquote {
    margin: 1.5em 0 !important;
    padding: 0.5em 1.5em !important;
    border-left: 4px solid var(--border-color) !important;
    background: transparent !important;
    color: var(--text-secondary) !important;
}

/* 相邻的引用块合并显示 */
#article-preview-content blockquote + blockquote {
    margin-top: 0 !important;
    border-top: none !important;
    padding-top: 0 !important;
}

/* 引用内的段落不要额外间距 */
#article-preview-content blockquote p {
    margin-bottom: 0.5em !important;
    margin-top: 0 !important;
    display: block !important;
    line-height: 1.6 !important;
}

/* 引用内最后一个段落不要底部间距 */
#article-preview-content blockquote p:last-child {
    margin-bottom: 0 !important;
}

/* 引用内段落之间的间距控制 */
#article-preview-content blockquote p + p {
    margin-top: 0.5em !important;
}

#article-preview-content::-webkit-scrollbar {
    width: 6px;
}

#article-preview-content::-webkit-scrollbar-track {
    background: transparent;
}

#article-preview-content::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 3px;
}

#article-preview-content::-webkit-scrollbar-thumb:hover {
    background-color: var(--text-muted);
}

.canvas-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    text-align: center;
}

.canvas-placeholder i {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    opacity: 0.3;
}

.canvas-placeholder h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

/* 响应式布局 */
@media (max-width: 1200px) {
    .editor-main-layout {
        grid-template-columns: 1fr 1fr;
    }
    
    .header-controls, .header-controls-left {
        gap: var(--spacing-sm);
    }
    
    .control-item span {
        font-size: 11px;
        min-width: 30px;
    }
    
    .header-attachments {
        max-width: 250px;
        min-height: 35px;
        min-width: 150px;
    }
    
    .control-select {
        min-width: 70px;
        font-size: 11px;
    }
    
    .btn-outline {
        padding: 2px 6px;
        font-size: 11px;
    }
}

@media (max-width: 900px) {
    .header-left-expanded {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .header-controls-left {
        margin-left: 0;
        gap: var(--spacing-sm);
    }
    
    .control-item span {
        display: none;
    }
    
    .header-attachments {
        max-width: 200px;
        min-width: 120px;
    }
}

@media (max-width: 768px) {
    .editor-header-bar {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm);
        min-height: auto;
    }
    
    .header-left-expanded {
        justify-content: space-between;
        flex-wrap: nowrap;
    }
    
    .project-title-section {
        font-size: 15px;
        flex-shrink: 0;
    }
    
    .header-controls-left {
        margin-left: 0;
        justify-content: flex-end;
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }
    
    .header-attachments {
        max-width: 100%;
        min-width: auto;
        order: 2;
    }
    
    .editor-main-layout {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
    }
    
    .left-column {
        order: 2;
        border-right: none;
        border-top: 1px solid var(--border-color);
        max-height: 300px;
    }
    
    .right-column {
        order: 1;
    }
    
    .history-section {
        display: none;
    }
}

@media (max-width: 480px) {
    .editor-workspace-new {
        height: calc(100vh - 60px);
    }
    
    .editor-header-bar {
        padding: var(--spacing-xs);
    }
    
    .project-title-section {
        font-size: 14px;
    }
    
    .header-left-expanded {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-xs);
    }
    
    .header-controls-left {
        justify-content: space-between;
        width: 100%;
    }
    
    .control-item {
        font-size: 11px;
    }
    
    .control-select {
        min-width: 60px;
        font-size: 10px;
        padding: 2px 4px;
    }
    
    .btn-outline {
        padding: 2px 6px;
        font-size: 10px;
    }
}

/* ===== 重新设计的项目卡片样式 (Claude风格) ===== */
/* 覆盖原有的项目卡片样式 */
/* 项目卡片网格样式已在上方定义，此处删除重复定义 */

.project-card {
    background: var(--bg-secondary) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 10px !important;
    overflow: hidden !important;
    transition: all 0.2s ease !important;
    cursor: pointer !important;
    position: relative !important;
    height: 110px !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04) !important;
}

.project-card:hover {
    border-color: var(--primary-color) !important;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.12) !important;
    transform: translateY(-1px) !important;
}

/* 统一的卡片内容容器 */
.card-content-unified {
    padding: 12px 14px !important;
    height: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: space-between !important;
    gap: 6px !important;
    background: none !important;
}

/* 头部行布局 */
.card-header-row {
    display: flex !important;
    align-items: flex-start !important;
    gap: 10px !important;
}

/* 重新设计的项目图标 */
.project-icon {
    width: 28px !important;
    height: 28px !important;
    border-radius: 6px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 14px !important;
    color: white !important;
    flex-shrink: 0 !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
}

.project-icon:hover {
    transform: scale(1.05) !important;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3) !important;
}

/* 项目标题区域 */
.project-title-section {
    flex: 1 !important;
    min-width: 0 !important; /* 防止flex子元素溢出 */
}

.project-name {
    font-size: 14px !important;
    font-weight: 600 !important;
    color: var(--text-primary) !important;
    margin: 0 0 2px 0 !important;
    line-height: 1.3 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
}

.project-description {
    font-size: 13px !important;
    color: var(--text-secondary) !important;
    margin: 0 !important;
    line-height: 1.4 !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
}

/* 项目操作按钮 */
.project-actions {
    display: flex !important;
    gap: 4px !important;
    opacity: 0 !important;
    transition: opacity 0.2s ease !important;
}

.project-card:hover .project-actions {
    opacity: 1 !important;
}

.action-btn {
    background: none !important;
    border: none !important;
    padding: 6px !important;
    border-radius: 6px !important;
    color: var(--text-muted) !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 28px !important;
    height: 28px !important;
    font-size: 12px !important;
}

.action-btn:hover {
    background: var(--bg-surface) !important;
    color: var(--text-primary) !important;
}

.action-btn.star-btn:hover {
    background: rgba(255, 215, 0, 0.1) !important;
    color: #ffd700 !important;
}

.action-btn.delete-btn:hover {
    background: rgba(239, 83, 80, 0.1) !important;
    color: var(--danger-color) !important;
}

/* 项目元数据 */
.project-meta {
    display: flex !important;
    gap: 16px !important;
    margin-top: auto !important;
}

.meta-item {
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    font-size: 12px !important;
    color: var(--text-muted) !important;
}

.meta-item i {
    font-size: 11px !important;
}

/* 确保新布局中的文本正常显示 */
.card-content-new .project-description-area {
    display: flex !important;
    align-items: flex-start !important;
    min-height: 36px !important;
    max-height: 60px !important;
    margin: 8px 0 !important;
    overflow: hidden !important;
    flex: 1 !important;
}

.card-content-new .project-description-text {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    font-size: 13px !important;
    color: var(--text-secondary) !important;
    line-height: 1.4 !important;
    margin: 0 !important;
    font-weight: 400 !important;
}

.card-content-new .project-meta {
    display: flex !important;
    gap: 12px !important;
    font-size: 12px !important;
    color: var(--text-muted) !important;
    margin-top: auto !important;
    padding-top: 8px !important;
    border-top: 1px solid var(--border-color) !important;
    opacity: 1 !important;
    visibility: visible !important;
    flex-shrink: 0 !important;
    position: relative !important;
    z-index: 1 !important;
}

.card-content-new .project-meta .meta-item {
    display: flex !important;
    align-items: center !important;
    gap: 4px !important;
}

.card-content-new .project-meta .meta-item i {
    font-size: 11px !important;
    color: var(--primary-color) !important;
}

/* 星标项目样式 */
.project-card[data-starred="true"] {
    border-color: #ffd700 !important;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.03) 0%, var(--bg-secondary) 100%) !important;
}

.project-card[data-starred="true"] .star-btn {
    color: #ffd700 !important;
    opacity: 1 !important;
}

.project-card[data-starred="true"]::before {
    content: '' !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    height: 2px !important;
    background: linear-gradient(90deg, #ffd700 0%, transparent 100%) !important;
}

/* 新建项目卡片 */
.project-card.create-new {
    border: 1px dashed var(--border-color) !important;
    background: var(--bg-surface) !important;
    height: 120px !important;
}

/* API密钥配置对话框 */
.api-key-modal-content {
    max-width: 500px;
    width: 90%;
}

.api-key-help {
    margin-top: 16px;
    padding: 12px;
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--primary-color);
}

.api-key-help p {
    margin: 8px 0;
    color: var(--text-secondary);
}

.api-key-help ul {
    margin: 8px 0;
    padding-left: 20px;
}

.api-key-help li {
    margin: 4px 0;
    color: var(--text-secondary);
}

.api-key-help a {
    color: var(--primary-color);
    text-decoration: none;
}

.api-key-help a:hover {
    text-decoration: underline;
}

.form-group {
    margin: 12px 0;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: var(--bg-main);
    color: var(--text-primary);
    box-sizing: border-box;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-color-10);
}

/* 风格设计工作室样式 */

/* 自定义风格选项卡 */
.custom-style-tab {
    border: 2px dashed var(--border-color) !important;
    position: relative;
}

.custom-style-tab:hover {
    border-color: var(--primary-color) !important;
    background: var(--primary-color-05) !important;
}

.custom-style-controls {
    margin-top: 16px;
}

.custom-styles-list {
    margin-top: 12px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.custom-style-item {
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-surface);
    cursor: pointer;
    transition: all var(--transition);
}

.custom-style-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.custom-style-item.active {
    border-color: var(--primary-color);
    background: var(--primary-color-05);
}

/* 编辑器工作区 */
.editor-workspace {
    margin-top: var(--spacing-sm);
}

.editor-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    min-height: 700px;
}

.editor-column {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.editor-header,
.preview-header {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.editor-header h3,
.preview-header h3 {
    margin: 0;
    font-size: 16px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.editor-tools,
.preview-tools {
    display: flex;
    gap: 8px;
}

.editor-content,
.preview-content {
    flex: 1;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
}

.content-editor {
    width: 100%;
    height: 100%;
    min-height: 500px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 14px;
    line-height: 1.6;
    background: var(--bg-main);
    color: var(--text-primary);
    resize: none;
    outline: none;
}

.content-editor:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px var(--primary-color-10);
}

.styled-preview {
    flex: 1;
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    overflow-y: auto;
}

.preview-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    text-align: center;
}

.preview-placeholder i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.preview-placeholder h4 {
    margin: 0 0 8px 0;
    color: var(--text-secondary);
}

.preview-placeholder p {
    margin: 0;
    font-size: 14px;
}

/* 风格预览样式 - 完整版 */

/* 商务专业风格 */
.business-style {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background: #ffffff;
    padding: 32px;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.1);
}

.business-style h1 {
    color: #1a365d;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
    border-bottom: 3px solid #3182ce;
    padding-bottom: 12px;
    text-align: left;
}

.business-style h2 {
    color: #2d3748;
    font-size: 22px;
    font-weight: 600;
    margin: 24px 0 12px 0;
    border-left: 4px solid #3182ce;
    padding-left: 16px;
}

.business-style h3 {
    color: #4a5568;
    font-size: 18px;
    font-weight: 600;
    margin: 20px 0 10px 0;
}

.business-style p {
    margin-bottom: 16px;
    text-align: justify;
    color: #2d3748;
}

.business-style blockquote {
    border-left: 4px solid #e2e8f0;
    padding-left: 20px;
    margin: 20px 0;
    font-style: italic;
    color: #718096;
    background: #f7fafc;
    padding: 16px 20px;
    border-radius: 4px;
}

.business-style strong {
    color: #1a365d;
    font-weight: 600;
}

/* 生活美学风格 */
.lifestyle-style {
    font-family: 'Georgia', 'Times New Roman', serif;
    line-height: 1.8;
    color: #5a4a6b;
    background: linear-gradient(135deg, #ffeef8 0%, #f0f4ff 100%);
    padding: 40px;
    border-radius: 16px;
    position: relative;
}

.lifestyle-style::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #ff6b9d, #c44569, #f8b500);
    border-radius: 16px 16px 0 0;
}

.lifestyle-style h1 {
    color: #8e44ad;
    font-size: 32px;
    font-weight: 400;
    margin-bottom: 20px;
    text-align: center;
    font-style: italic;
    text-shadow: 1px 1px 2px rgba(142, 68, 173, 0.1);
}

.lifestyle-style h2 {
    color: #9b59b6;
    font-size: 24px;
    font-weight: 400;
    margin: 28px 0 16px 0;
    text-align: center;
    position: relative;
}

.lifestyle-style h2::after {
    content: '✨';
    margin-left: 8px;
}

.lifestyle-style h3 {
    color: #6c5ce7;
    font-size: 20px;
    font-weight: 400;
    margin: 24px 0 12px 0;
    font-style: italic;
}

.lifestyle-style p {
    margin-bottom: 18px;
    text-align: justify;
    color: #5a4a6b;
    text-indent: 2em;
}

.lifestyle-style blockquote {
    border: none;
    background: rgba(255, 255, 255, 0.6);
    padding: 24px;
    margin: 24px 0;
    border-radius: 12px;
    text-align: center;
    font-style: italic;
    color: #8e44ad;
    position: relative;
}

.lifestyle-style blockquote::before {
    content: '"';
    font-size: 48px;
    color: #dda0dd;
    position: absolute;
    top: -10px;
    left: 20px;
}

/* 科技前沿风格 */
.tech-style {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    line-height: 1.6;
    color: #0f172a;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid #cbd5e1;
    position: relative;
}

.tech-style::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #0ea5e9, #3b82f6, #6366f1);
    border-radius: 12px 12px 0 0;
}

.tech-style h1 {
    color: #0f172a;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #0ea5e9, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tech-style h2 {
    color: #1e293b;
    font-size: 22px;
    font-weight: 600;
    margin: 24px 0 12px 0;
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
    border-left: 4px solid #3b82f6;
    padding-left: 16px;
    background: rgba(59, 130, 246, 0.05);
    padding: 12px 16px;
    border-radius: 4px;
}

.tech-style h3 {
    color: #334155;
    font-size: 18px;
    font-weight: 600;
    margin: 20px 0 10px 0;
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}

.tech-style p {
    margin-bottom: 16px;
    color: #475569;
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}

.tech-style code {
    background: #1e293b;
    color: #e2e8f0;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 14px;
}

.tech-style blockquote {
    background: #0f172a;
    color: #e2e8f0;
    padding: 20px;
    margin: 20px 0;
    border-radius: 8px;
    border-left: 4px solid #3b82f6;
    font-family: 'SF Mono', monospace;
}

/* 知识分享风格 */
.knowledge-style {
    font-family: 'Times New Roman', 'Georgia', serif;
    line-height: 1.8;
    color: #2d3748;
    background: #fffef7;
    padding: 40px;
    border-radius: 8px;
    border: 2px solid #f7fafc;
    position: relative;
}

.knowledge-style::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, #d69e2e, #f6ad55, #ed8936);
    border-radius: 8px 8px 0 0;
}

.knowledge-style h1 {
    color: #744210;
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 20px;
    text-align: center;
    border-bottom: 2px solid #d69e2e;
    padding-bottom: 16px;
}

.knowledge-style h2 {
    color: #975a16;
    font-size: 24px;
    font-weight: 600;
    margin: 28px 0 16px 0;
    background: #fef5e7;
    padding: 12px 20px;
    border-left: 6px solid #d69e2e;
    border-radius: 4px;
}

.knowledge-style h3 {
    color: #b7791f;
    font-size: 20px;
    font-weight: 600;
    margin: 24px 0 12px 0;
}

.knowledge-style p {
    margin-bottom: 18px;
    text-align: justify;
    text-indent: 2em;
    color: #2d3748;
}

.knowledge-style blockquote {
    background: #fef5e7;
    border-left: 6px solid #d69e2e;
    padding: 20px 24px;
    margin: 24px 0;
    border-radius: 4px;
    font-style: italic;
    color: #744210;
}

.knowledge-style strong {
    color: #744210;
    background: #fef5e7;
    padding: 2px 4px;
    border-radius: 2px;
}

/* 文艺情感风格 */
.literary-style {
    font-family: 'Georgia', 'Palatino', serif;
    line-height: 2.0;
    color: #553c9a;
    background: linear-gradient(135deg, #faf5ff 0%, #f3e8ff 100%);
    padding: 48px;
    border-radius: 20px;
    text-align: center;
    position: relative;
}

.literary-style::before {
    content: '❀';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 24px;
    color: #a855f7;
}

.literary-style h1 {
    color: #6b21a8;
    font-size: 36px;
    font-weight: 400;
    margin-bottom: 24px;
    font-style: italic;
    text-shadow: 1px 1px 3px rgba(107, 33, 168, 0.1);
    position: relative;
}

.literary-style h1::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #a855f7, transparent);
}

.literary-style h2 {
    color: #7c3aed;
    font-size: 26px;
    font-weight: 400;
    margin: 32px 0 20px 0;
    font-style: italic;
    position: relative;
}

.literary-style h2::before,
.literary-style h2::after {
    content: '✦';
    color: #c084fc;
    margin: 0 12px;
}

.literary-style h3 {
    color: #8b5cf6;
    font-size: 22px;
    font-weight: 400;
    margin: 28px 0 16px 0;
    font-style: italic;
}

.literary-style p {
    margin-bottom: 24px;
    color: #553c9a;
    text-indent: 0;
    font-size: 16px;
    letter-spacing: 0.5px;
}

.literary-style blockquote {
    background: rgba(255, 255, 255, 0.7);
    border: none;
    padding: 32px;
    margin: 32px 0;
    border-radius: 16px;
    font-style: italic;
    color: #6b21a8;
    font-size: 18px;
    position: relative;
    box-shadow: 0 4px 20px rgba(168, 85, 247, 0.1);
}

.literary-style blockquote::before {
    content: '"';
    font-size: 64px;
    color: #ddd6fe;
    position: absolute;
    top: -10px;
    left: 24px;
    font-family: serif;
}

/* 实用指南风格 */
.guide-style {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    line-height: 1.7;
    color: #1f2937;
    background: #ffffff;
    padding: 32px;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    position: relative;
}

.guide-style::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #10b981, #059669, #047857);
    border-radius: 12px 12px 0 0;
}

.guide-style h1 {
    color: #065f46;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
    background: #ecfdf5;
    padding: 16px 20px;
    border-radius: 8px;
    border-left: 6px solid #10b981;
}

.guide-style h1::before {
    content: '📋 ';
    margin-right: 8px;
}

.guide-style h2 {
    color: #047857;
    font-size: 22px;
    font-weight: 600;
    margin: 28px 0 16px 0;
    background: #f0fdf4;
    padding: 12px 16px;
    border-radius: 6px;
    border-left: 4px solid #10b981;
}

.guide-style h2::before {
    content: '▶ ';
    color: #10b981;
    margin-right: 8px;
}

.guide-style h3 {
    color: #059669;
    font-size: 18px;
    font-weight: 600;
    margin: 24px 0 12px 0;
}

.guide-style h3::before {
    content: '• ';
    color: #10b981;
    margin-right: 6px;
}

.guide-style p {
    margin-bottom: 16px;
    color: #374151;
}

.guide-style ol, .guide-style ul {
    padding-left: 24px;
    margin: 16px 0;
}

.guide-style li {
    margin: 12px 0;
    color: #374151;
    position: relative;
}

.guide-style ol li {
    counter-increment: step-counter;
}

.guide-style ol li::marker {
    color: #10b981;
    font-weight: 600;
}

.guide-style ul li::marker {
    color: #10b981;
}

.guide-style blockquote {
    background: #f0fdf4;
    border-left: 4px solid #10b981;
    padding: 16px 20px;
    margin: 20px 0;
    border-radius: 4px;
    color: #047857;
}

.guide-style blockquote::before {
    content: '💡 ';
    margin-right: 8px;
}

.guide-style strong {
    color: #065f46;
    background: #ecfdf5;
    padding: 2px 4px;
    border-radius: 3px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .editor-columns {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .editor-column {
        min-height: 400px;
    }
}

@media (max-width: 768px) {
    .editor-content,
    .preview-content {
        padding: var(--spacing-md);
    }
    
    .content-editor {
        min-height: 300px;
    }
}

/* 微信公众号配置对话框样式 */
.wechat-config-modal-content {
    max-width: 600px;
    width: 90%;
}

.wechat-config-form {
    margin-bottom: 24px;
}

.wechat-help {
    padding: 16px;
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--primary-color);
    margin-top: 20px;
}

.wechat-help h4 {
    margin: 0 0 12px 0;
    color: var(--primary-color);
    font-size: 14px;
}

.wechat-help ul {
    margin: 0;
    padding-left: 18px;
}

.wechat-help li {
    margin: 6px 0;
    font-size: 13px;
    color: var(--text-secondary);
}

.help-text {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: var(--text-muted);
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group label input[type="checkbox"] {
    margin-right: 8px;
}

.color-input {
    width: 60px;
    height: 40px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: none;
    cursor: pointer;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.option-group {
    margin: 20px 0;
    padding: 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-surface);
}

.option-group h4 {
    margin: 0 0 12px 0;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
}

.style-preview-sample {
    padding: 8px;
    margin: 8px 0;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xs);
    background: white;
    font-size: 12px;
}

.delete-style-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    opacity: 0;
    transition: opacity var(--transition);
}

.custom-style-item {
    position: relative;
}

.custom-style-item:hover .delete-style-btn {
    opacity: 1;
}

.no-custom-styles {
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
    padding: 20px;
}

.project-card.create-new:hover {
    border-color: var(--primary-color) !important;
    background: var(--bg-glass) !important;
}

.create-new-content {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    height: 100% !important;
    gap: 12px !important;
    text-align: left !important;
}

.create-icon {
    width: 32px !important;
    height: 32px !important;
    border-radius: 8px !important;
    background: var(--bg-surface) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    color: var(--text-muted) !important;
    font-size: 14px !important;
    border: 1px dashed var(--border-color) !important;
}

.create-text {
    flex: 1 !important;
}

.create-title {
    font-size: 16px !important;
    font-weight: 600 !important;
    color: var(--text-primary) !important;
    margin: 0 0 2px 0 !important;
}

.create-subtitle {
    font-size: 13px !important;
    color: var(--text-secondary) !important;
    margin: 0 !important;
}

/* ===== 重新设计的对话框界面 (Claude风格) ===== */
/* AI对话区域 */
.chat-section {
    flex: 1 !important;
    display: flex !important;
    flex-direction: column !important;
    background: var(--bg-secondary) !important;
    border-radius: 12px !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04) !important;
    overflow: hidden !important;
    border: 1px solid var(--border-color) !important;
}

.chat-header {
    padding: 16px 20px 12px 20px !important;
    border-bottom: 1px solid var(--border-color) !important;
    background: var(--bg-secondary) !important;
}

.ai-status {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    color: var(--text-primary) !important;
}

.ai-status i {
    color: var(--primary-color) !important;
    font-size: 16px !important;
}

.status-indicator {
    width: 8px !important;
    height: 8px !important;
    border-radius: 50% !important;
    margin-left: auto !important;
}

.status-indicator.online {
    background: var(--success-color) !important;
    box-shadow: 0 0 0 2px rgba(67, 233, 123, 0.2) !important;
}

.chat-messages-container {
    flex: 1 !important;
    overflow: hidden !important;
}

.chat-messages {
    height: 100% !important;
    overflow-y: auto !important;
    padding: 20px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 20px !important;
    scroll-behavior: smooth !important;
}

/* 消息气泡重新设计 */
.message {
    display: flex !important;
    gap: 12px !important;
    max-width: 85% !important;
    animation: messageSlideIn 0.3s ease-out !important;
}

.message.user {
    align-self: flex-end !important;
    flex-direction: row-reverse !important;
    max-width: 80% !important;
}

.message-avatar {
    width: 32px !important;
    height: 32px !important;
    border-radius: 50% !important;
    background: var(--primary-gradient) !important;
    color: white !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 14px !important;
    flex-shrink: 0 !important;
    box-shadow: 0 2px 4px rgba(102, 126, 234, 0.2) !important;
}

.message.user .message-avatar {
    background: var(--bg-surface) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1) !important;
}

.message-content {
    flex: 1 !important;
    display: flex !important;
    flex-direction: column !important;
}

.message-content > div:first-child {
    background: var(--bg-surface) !important;
    padding: 12px 16px !important;
    border-radius: 12px !important;
    font-size: 14px !important;
    line-height: 1.5 !important;
    color: var(--text-primary) !important;
    margin-bottom: 4px !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04) !important;
}

.message.user .message-content > div:first-child {
    background: var(--primary-color) !important;
    color: white !important;
    border: 1px solid var(--primary-color) !important;
    margin-left: 0 !important;
    margin-right: 8px !important;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.2) !important;
}

.message-time {
    font-size: 11px !important;
    color: var(--text-muted) !important;
    padding-left: 16px !important;
    margin-top: 2px !important;
}

.message.user .message-time {
    text-align: right !important;
    padding-left: 0 !important;
    padding-right: 24px !important;
}

/* 输入区域重新设计 */
.chat-input-area {
    border-top: 1px solid var(--border-color) !important;
    background: var(--bg-secondary) !important;
    padding: 16px 20px !important;
}

.chat-input-container {
    padding: 0 !important;
}

.chat-input {
    width: 100% !important;
    min-height: 88px !important;
    padding: 12px 16px !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 8px !important;
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    font-size: 14px !important;
    font-family: inherit !important;
    resize: none !important;
    line-height: 1.5 !important;
    transition: border-color 0.2s ease, box-shadow 0.2s ease !important;
}

.chat-input:focus {
    outline: none !important;
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1) !important;
}

.chat-input::placeholder {
    color: var(--text-muted) !important;
    line-height: 1.4 !important;
}

.chat-input-actions {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    margin-top: 12px !important;
}

.input-hint {
    font-size: 12px !important;
    color: var(--text-muted) !important;
}

/* 发送按钮重新设计 */
#send-message-btn {
    background: var(--primary-gradient) !important;
    color: white !important;
    border: none !important;
    border-radius: 8px !important;
    padding: 8px 16px !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    box-shadow: 0 2px 4px rgba(102, 126, 234, 0.2) !important;
}

#send-message-btn:hover {
    transform: translateY(-1px) !important;
    box-shadow: 0 4px 8px rgba(102, 126, 234, 0.3) !important;
}

#send-message-btn:disabled {
    opacity: 0.6 !important;
    cursor: not-allowed !important;
    transform: none !important;
}

/* 历史文章区域优化 */
.history-section.compact {
    background: var(--bg-secondary) !important;
    border-radius: 12px !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04) !important;
    padding: 16px 20px !important;
    flex-shrink: 0 !important;
    border: 1px solid var(--border-color) !important;
}

.history-section.compact .section-header {
    cursor: pointer !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    margin-bottom: 12px !important;
    user-select: none !important;
}

.history-section.compact .section-header h4 {
    font-size: 14px !important;
    font-weight: 600 !important;
    color: var(--text-primary) !important;
    margin: 0 !important;
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
}

.history-item {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    padding: 8px 12px !important;
    border-radius: 8px !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    border: 1px solid transparent !important;
}

.history-item:hover {
    background: var(--bg-glass) !important;
    border-color: var(--border-color) !important;
}

.history-icon {
    width: 32px !important;
    height: 32px !important;
    background: var(--bg-surface) !important;
    border-radius: 8px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    color: var(--primary-color) !important;
    font-size: 14px !important;
    flex-shrink: 0 !important;
}

.history-title {
    font-size: 13px !important;
    font-weight: 500 !important;
    color: var(--text-primary) !important;
    margin-bottom: 2px !important;
    line-height: 1.3 !important;
}

.history-meta {
    font-size: 11px !important;
    color: var(--text-muted) !important;
}

/* 动画效果 */
@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== 移动端完整优化样式 (768px及以下) ===== */
@media screen and (max-width: 768px) {
    /* 侧边栏改为紧凑型顶部导航 */
    .sidebar {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: auto !important;
        width: 100% !important;
        height: auto !important;
        z-index: 1000 !important;
        border-right: none !important;
        border-bottom: 1px solid var(--border-color) !important;
        box-shadow: var(--shadow-sm) !important;
        transform: none !important;
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-between !important;
        padding: 8px 12px !important;
        background: var(--bg-secondary) !important;
    }
    
    /* 侧边栏头部 - 左侧Logo区域 */
    .sidebar-header {
        display: flex !important;
        align-items: center !important;
        padding: 0 !important;
        border-bottom: none !important;
        flex-shrink: 0 !important;
    }
    
    .sidebar-header .logo {
        flex-direction: row !important;
        gap: 6px !important;
    }
    
    .sidebar-header .logo-icon {
        width: 28px !important;
        height: 28px !important;
        font-size: 14px !important;
    }
    
    .sidebar-header .logo-icon img {
        width: 28px !important;
        height: 28px !important;
    }
    
    .sidebar-header .logo-text h2 {
        font-size: 14px !important;
    }
    
    .sidebar-header .logo-text span,
    .sidebar-header .version-tag {
        display: none !important;
    }
    
    /* 导航菜单 - 右上角水平排列 */
    .nav-menu {
        display: flex !important;
        flex-direction: row !important;
        flex-wrap: nowrap !important;
        gap: 2px !important;
        padding: 0 !important;
        margin: 0 !important;
        align-items: center !important;
    }
    
    .nav-item {
        flex: 0 0 auto !important;
        flex-direction: row !important;
        padding: 4px 6px !important;
        margin: 0 !important;
        gap: 2px !important;
        border-radius: 4px !important;
        white-space: nowrap !important;
        min-width: auto !important;
        text-align: center !important;
        width: auto !important;
        font-size: 11px !important;
    }
    
    .nav-item:hover {
        transform: none !important;
    }
    
    .nav-icon {
        width: 20px !important;
        height: 20px !important;
        font-size: 11px !important;
        margin: 0 !important;
        background: transparent !important;
    }
    
    .nav-item.active .nav-icon {
        background: transparent !important;
        box-shadow: none !important;
    }
    
    .nav-item span {
        font-size: 11px !important;
        display: inline !important;
    }
    
    /* 侧边栏底部用户信息 - 移动端改为紧凑登录按钮 */
    .sidebar-footer {
        display: flex !important;
        position: static !important;
        padding: 0 !important;
        border-top: none !important;
        background: transparent !important;
        flex-shrink: 0 !important;
        margin-left: 8px !important;
    }
    
    .user-profile {
        padding: 4px 8px !important;
        gap: 4px !important;
        border-radius: 6px !important;
        background: var(--bg-surface) !important;
        border: 1px solid var(--border-color) !important;
    }
    
    .user-profile .avatar {
        width: 24px !important;
        height: 24px !important;
        font-size: 11px !important;
    }
    
    .user-profile .user-info {
        display: none !important;
    }
    
    .user-profile .user-info span {
        font-size: 11px !important;
        margin-bottom: 0 !important;
    }
    
    .user-profile .user-info small {
        display: none !important;
    }
    
    .user-menu {
        bottom: auto !important;
        top: 100% !important;
        right: 0 !important;
        left: auto !important;
        margin-top: 4px !important;
        min-width: 140px !important;
    }
    
    /* 主内容区域调整 - 减少顶部间距 */
    .main-content {
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 12px !important;
        padding-top: 56px !important;
    }
    
    /* 项目选择页头部优化 - 移动端隐藏大标题 */
    .project-selection-header {
        display: none !important;
    }
    
    /* 统计卡片优化 - 隐藏以节省空间 */
    .header-stats {
        display: none !important;
    }
    
    /* 项目展示区域优化 */
    .projects-showcase {
        margin-bottom: 8px !important;
    }
    
    /* 展示头部 - 单行紧凑布局 */
    .showcase-header {
        flex-direction: row !important;
        flex-wrap: wrap !important;
        gap: 6px !important;
        align-items: center !important;
        justify-content: space-between !important;
        margin-bottom: 8px !important;
        padding: 0 !important;
    }
    
    .showcase-header h2 {
        font-size: 15px !important;
        margin: 0 !important;
        flex-shrink: 0 !important;
    }
    
    .showcase-header h2 i {
        display: none !important;
    }
    
    .showcase-title-section {
        flex-direction: row !important;
        gap: 8px !important;
        align-items: center !important;
        flex: 1 !important;
        min-width: 0 !important;
    }
    
    .project-filter-buttons {
        justify-content: flex-start !important;
        gap: 4px !important;
        flex-shrink: 0 !important;
    }
    
    .filter-btn {
        flex-shrink: 0 !important;
        font-size: 10px !important;
        padding: 4px 8px !important;
        border-radius: 12px !important;
    }
    
    /* 新建项目按钮 - 紧凑样式 */
    .showcase-header .btn-primary {
        padding: 5px 10px !important;
        font-size: 11px !important;
        flex-shrink: 0 !important;
    }
    
    .showcase-header .btn-primary i {
        font-size: 10px !important;
    }
    
    /* 项目卡片网格 - 每行2个 */
    .project-cards {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px !important;
    }
    
    .project-card {
        height: auto !important;
        min-height: 80px !important;
    }
    
    .card-content-new,
    .card-content-unified {
        padding: 8px 10px !important;
        gap: 4px !important;
    }
    
    /* 操作按钮在移动端也显示在右上角 */
    .card-actions-row {
        top: 4px !important;
        right: 4px !important;
    }
    
    .card-actions-row .project-actions {
        opacity: 1 !important;
    }
    
    .action-btn {
        width: 20px !important;
        height: 20px !important;
        font-size: 10px !important;
    }
    
    .card-header-row,
    .card-top-row {
        gap: 6px !important;
        padding-right: 50px !important;
    }
    
    .project-icon {
        width: 20px !important;
        height: 20px !important;
        font-size: 9px !important;
        border-radius: 4px !important;
    }
    
    .project-title-horizontal,
    .project-name {
        font-size: 11px !important;
        white-space: normal !important;
        -webkit-line-clamp: 2 !important;
        display: -webkit-box !important;
        -webkit-box-orient: vertical !important;
        overflow: hidden !important;
        line-height: 1.3 !important;
    }
    
    .project-description-text,
    .project-description {
        display: none !important;
    }
    
    .project-meta {
        gap: 6px !important;
        font-size: 9px !important;
        padding-top: 4px !important;
    }
    
    .meta-item {
        font-size: 9px !important;
        gap: 2px !important;
    }
    
    .meta-item i {
        font-size: 8px !important;
    }
    
    /* 新建项目卡片 */
    .project-card.create-new {
        height: auto !important;
        min-height: 70px !important;
    }
    
    .create-new-content {
        gap: 6px !important;
    }
    
    .create-icon {
        width: 22px !important;
        height: 22px !important;
        font-size: 10px !important;
    }
    
    .create-title {
        font-size: 12px !important;
    }
    
    .create-subtitle {
        font-size: 10px !important;
        display: none !important;
    }
    
    /* 隐藏最近项目区域 - 移动端节省空间 */
    .recent-projects {
        display: none !important;
    }
}

/* ===== 更小屏幕优化 (480px及以下) ===== */
@media screen and (max-width: 480px) {
    /* 顶部导航更紧凑 */
    .sidebar {
        padding: 6px 8px !important;
    }
    
    .nav-menu {
        gap: 1px !important;
    }
    
    .nav-item {
        padding: 3px 4px !important;
        gap: 1px !important;
    }

    .nav-icon {
        width: 16px !important;
        height: 16px !important;
        font-size: 9px !important;
    }

    .nav-item span {
        font-size: 9px !important;
    }
    
    .sidebar-header .logo-icon {
        width: 24px !important;
        height: 24px !important;
    }
    
    .sidebar-header .logo-icon img {
        width: 24px !important;
        height: 24px !important;
    }
    
    .sidebar-header .logo-text h2 {
        font-size: 12px !important;
    }
    
    .user-profile {
        padding: 3px 6px !important;
    }
    
    .user-profile .avatar {
        width: 20px !important;
        height: 20px !important;
        font-size: 10px !important;
    }
    
    /* 主内容区域 */
    .main-content {
        padding: 8px !important;
        padding-top: 50px !important;
    }
    
    /* 标题进一步缩小 */
    .project-selection-header .header-content h1 {
        font-size: 18px !important;
    }
    
    .project-selection-header .header-content p {
        font-size: 11px !important;
    }
    
    .showcase-header h2 {
        font-size: 15px !important;
    }
    
    /* 项目卡片保持每行2个 */
    .project-cards {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 6px !important;
    }
    
    .project-card {
        min-height: 70px !important;
    }
    
    .card-content-new,
    .card-content-unified {
        padding: 6px 8px !important;
        gap: 2px !important;
    }
    
    .card-actions-row {
        top: 3px !important;
        right: 3px !important;
    }
    
    .action-btn {
        width: 18px !important;
        height: 18px !important;
        font-size: 9px !important;
    }
    
    .card-top-row {
        padding-right: 45px !important;
    }
    
    .project-icon {
        width: 18px !important;
        height: 18px !important;
        font-size: 8px !important;
        border-radius: 3px !important;
    }
    
    .project-title-horizontal,
    .project-name {
        font-size: 10px !important;
        white-space: normal !important;
        -webkit-line-clamp: 2 !important;
        display: -webkit-box !important;
        -webkit-box-orient: vertical !important;
        overflow: hidden !important;
        line-height: 1.2 !important;
    }
    
    .project-description-text,
    .project-description {
        display: none !important;
    }
    
    .project-meta {
        font-size: 8px !important;
        padding-top: 2px !important;
        gap: 4px !important;
    }
    
    .card-header-row,
    .card-top-row {
        gap: 4px !important;
    }
}

/* ===== 移动端视图切换按钮样式 ===== */
/* PC端默认隐藏切换按钮 */
.mobile-view-toggle {
    display: none;
}

/* PC端默认隐藏移动端历史文章入口 */
.mobile-history-entry {
    display: none;
}

/* PC端默认隐藏移动端上传按钮 */
.mobile-upload-btn {
    display: none;
}

/* PC端默认隐藏移动端上传入口 */
.mobile-upload-entry {
    display: none;
}

/* 移动端视图切换按钮样式 */
@media screen and (max-width: 768px) {
    /* 显示移动端切换按钮 */
    .mobile-view-toggle {
        display: flex !important;
        justify-content: center !important;
        gap: 0 !important;
        padding: 8px 16px !important;
        background: var(--bg-surface) !important;
        border-radius: 24px !important;
        width: fit-content !important;
        margin: 8px auto !important;
        box-shadow: var(--shadow-sm) !important;
        border: 1px solid var(--border-color) !important;
    }
    
    .mobile-view-toggle .toggle-btn {
        display: flex !important;
        align-items: center !important;
        gap: 6px !important;
        padding: 8px 16px !important;
        border: none !important;
        background: transparent !important;
        color: var(--text-secondary) !important;
        font-size: 13px !important;
        font-weight: 500 !important;
        cursor: pointer !important;
        border-radius: 20px !important;
        transition: all 0.2s ease !important;
    }
    
    .mobile-view-toggle .toggle-btn i {
        font-size: 14px !important;
    }
    
    /* 切换按钮选中状态 - 橙色 */
    .mobile-view-toggle .toggle-btn.active {
        background: linear-gradient(135deg, #ff9800 0%, #ff5722 100%) !important;
        color: white !important;
        box-shadow: 0 2px 8px rgba(255, 152, 0, 0.4) !important;
    }
    
    .mobile-view-toggle .toggle-btn:not(.active):hover {
        background: var(--bg-hover) !important;
        color: var(--text-primary) !important;
    }
    
    /* 移动端编辑器布局调整 */
    .editor-main-layout {
        display: flex !important;
        flex-direction: column !important;
        height: calc(100vh - 220px) !important;
        min-height: 400px !important;
    }
    
    /* 移动端默认显示对话框，隐藏预览 */
    .left-column.chat-only {
        display: flex !important;
        flex: 1 !important;
        order: 1 !important;
        border-right: none !important;
        border-top: none !important;
        max-height: none !important;
        height: 100% !important;
        min-height: 0 !important;
    }
    
    .right-column.preview-only {
        display: none !important;
        flex: 1 !important;
        order: 1 !important;
        height: 100% !important;
        min-height: 0 !important;
    }
    
    /* 当预览模式激活时 */
    .editor-main-layout.preview-mode .left-column.chat-only {
        display: none !important;
    }
    
    .editor-main-layout.preview-mode .right-column.preview-only {
        display: flex !important;
    }
    
    /* 移动端聊天区域优化 */
    .chat-section {
        flex: 1 !important;
        min-height: 0 !important;
        border-radius: 0 !important;
        border: none !important;
        box-shadow: none !important;
    }
    
    .chat-messages-area {
        flex: 1 !important;
        max-height: none !important;
        min-height: 0 !important;
        height: 0 !important;
    }
    
    .chat-input-section {
        flex-shrink: 0 !important;
        padding: 8px !important;
    }
    
    .input-area-improved {
        min-height: 48px !important;
        padding: 6px 10px !important;
    }
    
    .message-input-improved {
        min-height: 36px !important;
        font-size: 14px !important;
    }
    
    /* 移动端隐藏历史文章区域 */
    .history-section.compact {
        display: none !important;
    }
    
    /* 移动端预览区域优化 */
    .canvas-section {
        flex: 1 !important;
        min-height: 0 !important;
    }
    
    .canvas-content {
        flex: 1 !important;
        max-height: none !important;
        min-height: 0 !important;
        margin: 4px !important;
        padding: 12px !important;
    }
    
    #article-preview-content {
        height: auto !important;
        max-height: none !important;
        min-height: 0 !important;
    }
    
    /* ===== 移动端编辑器头部优化 - 网格布局 ===== */
    /* 编辑器头部整体布局 - 使用CSS Grid */
    .editor-header-bar {
        display: grid !important;
        grid-template-columns: auto 1fr !important;
        grid-template-rows: auto auto auto auto !important;
        gap: 6px 10px !important;
        padding: 10px !important;
        min-height: auto !important;
        align-items: center !important;
        position: relative !important;
    }
    
    /* 让嵌套容器变透明，子元素直接参与网格 */
    .header-left-expanded {
        display: contents !important;
    }
    
    .header-controls-left {
        display: contents !important;
    }
    
    /* === 第一行 === */
    /* 第一行左：返回按钮 */
    .back-to-workshop {
        grid-column: 1 !important;
        grid-row: 1 !important;
        padding: 6px 12px !important;
        font-size: 12px !important;
        width: fit-content !important;
        min-width: auto !important;
        justify-self: start !important;
        order: 1 !important;
    }
    
    .back-to-workshop i {
        font-size: 11px !important;
        margin-right: 4px !important;
    }
    
    /* 第一行右：项目名称 - 字号比返回按钮大1号 */
    .project-title-section {
        grid-column: 2 !important;
        grid-row: 1 !important;
        font-size: 14px !important;
        font-weight: 600 !important;
        justify-self: end !important;
        min-width: 0 !important;
        overflow: hidden !important;
        order: 2 !important;
    }
    
    .project-title-section i {
        font-size: 13px !important;
    }
    
    .project-title-section .current-project-name {
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        max-width: 130px !important;
        font-size: 14px !important;
    }
    
    /* === 第二行：模型选择(左) + 附件区域开始(右) === */
    /* 第二行左：模型选择 */
    .header-controls-left .control-item:nth-child(1) {
        grid-column: 1 !important;
        grid-row: 2 !important;
        justify-self: start !important;
        order: 3 !important;
    }
    
    /* === 第三行：提示词编辑(左) === */
    /* 第三行左：提示词编辑 - 跟模型选择对齐 */
    .header-controls-left .control-item:nth-child(2) {
        grid-column: 1 !important;
        grid-row: 3 !important;
        justify-self: start !important;
        margin-left: 0 !important;
        order: 4 !important;
    }
    
    /* 提示词编辑按钮特殊样式 - 和模型选择一样的普通边框样式 */
    .control-item.prompt-control {
        background: transparent !important;
        padding: 0 !important;
    }
    
    /* 显示提示词控制项的图标 */
    .control-item.prompt-control > i {
        display: inline-flex !important;
        color: var(--primary-color) !important;
        font-size: 10px !important;
    }
    
    /* 提示词编辑按钮 - 和模型选择框一样的普通边框样式 */
    .btn-prompt-edit {
        padding: 5px 8px !important;
        font-size: 11px !important;
        font-weight: 500 !important;
        height: 28px !important;
        min-height: 28px !important;
        min-width: 70px !important;
        background: var(--bg-secondary) !important;
        color: var(--text-primary) !important;
        border: 1px solid var(--border-color) !important;
        border-radius: 6px !important;
        box-shadow: none !important;
        transition: all 0.2s ease !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        white-space: nowrap !important;
    }
    
    .btn-prompt-edit:hover {
        border-color: var(--primary-color) !important;
        color: var(--primary-color) !important;
        background: var(--bg-hover) !important;
    }
    
    /* 隐藏原来的附件上传控件 */
    .header-controls-left .control-item:nth-child(3) {
        display: none !important;
    }
    
    /* 控制项统一样式 */
    .control-item {
        display: flex !important;
        align-items: center !important;
        gap: 3px !important;
        font-size: 11px !important;
        flex-shrink: 0 !important;
    }
    
    .control-item i {
        font-size: 10px !important;
    }
    
    /* 隐藏控制项标签文字（但提示词编辑按钮已经含文字，不受影响） */
    .control-item > span {
        display: none !important;
    }
    
    .control-select {
        min-width: 70px !important;
        font-size: 11px !important;
        padding: 5px 6px !important;
        height: 28px !important;
        border-radius: 6px !important;
    }
    
    .btn-outline {
        padding: 5px 10px !important;
        font-size: 11px !important;
        height: 28px !important;
        border-radius: 6px !important;
    }
    
    /* === 第二行-第三行右侧：附件区域（跨两行） === */
    .header-attachments {
        grid-column: 2 !important;
        grid-row: 2 / 4 !important;
        max-width: 100% !important;
        min-width: auto !important;
        width: 100% !important;
        height: 100% !important;
        justify-self: stretch !important;
        align-self: stretch !important;
        order: 5 !important;
    }
    
    .attachments-display {
        height: 100% !important;
        min-height: 60px !important;
        max-height: none !important;
        overflow-y: auto !important;
        padding: 8px !important;
        font-size: 10px !important;
        scrollbar-width: thin !important;
        border-radius: 6px !important;
        display: flex !important;
        flex-direction: column !important;
        justify-content: center !important;
        align-items: center !important;
        position: relative !important;
    }
    
    .attachments-display::-webkit-scrollbar {
        width: 4px !important;
    }
    
    .attachments-display::-webkit-scrollbar-track {
        background: var(--bg-surface) !important;
        border-radius: 2px !important;
    }
    
    .attachments-display::-webkit-scrollbar-thumb {
        background: var(--border-color) !important;
        border-radius: 2px !important;
    }
    
    .attachment-item {
        padding: 3px 5px !important;
        font-size: 10px !important;
        gap: 4px !important;
    }
    
    .no-attachments {
        font-size: 11px !important;
        line-height: 1.4 !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 6px !important;
        text-align: center !important;
    }
    
    .no-attachments .file-type-hint {
        display: none !important;
    }
    
    /* 移动端附件框内的上传按钮 - 隐藏，使用独立上传入口 */
    .mobile-upload-btn {
        display: none !important;
    }
    
    /* === 第四行 - 改为flex容器包含三个元素 === */
    /* 将第四行改为跨两列的flex布局 */
    .editor-header-bar::after {
        content: '' !important;
        display: block !important;
        grid-column: 1 / -1 !important;
        grid-row: 4 !important;
        height: 0 !important;
    }

    /* 第四行左：历史文章入口 */
    .mobile-history-entry {
        display: flex !important;
        grid-column: 1 !important;
        grid-row: 4 !important;
        justify-self: start !important;
        order: 6 !important;
    }

    .history-quick-view {
        display: flex !important;
        align-items: center !important;
        gap: 6px !important;
        padding: 5px 12px !important;
        background: var(--bg-surface) !important;
        border: 1px solid var(--border-color) !important;
        border-radius: 16px !important;
        cursor: pointer !important;
        transition: all 0.2s ease !important;
        font-size: 11px !important;
        color: var(--text-secondary) !important;
    }

    .history-quick-view:hover {
        background: var(--bg-hover) !important;
        border-color: var(--primary-color) !important;
        color: var(--primary-color) !important;
    }

    .history-quick-view i {
        font-size: 11px !important;
        color: var(--primary-color) !important;
    }

    .history-quick-view .history-label {
        font-weight: 500 !important;
    }

    .history-quick-view .history-count {
        background: var(--primary-color) !important;
        color: white !important;
        padding: 1px 6px !important;
        border-radius: 10px !important;
        font-size: 10px !important;
        font-weight: 600 !important;
        min-width: 16px !important;
        text-align: center !important;
    }

    /* 第四行中：上传按钮 */
    .mobile-upload-entry {
        display: flex !important;
        grid-column: 1 / -1 !important;
        grid-row: 4 !important;
        justify-self: center !important;
        align-self: center !important;
        order: 6 !important;
        z-index: 1 !important;
    }

    .upload-quick-view {
        display: flex !important;
        align-items: center !important;
        gap: 6px !important;
        padding: 5px 12px !important;
        background: var(--bg-surface) !important;
        border: 1px solid var(--border-color) !important;
        border-radius: 16px !important;
        cursor: pointer !important;
        transition: all 0.2s ease !important;
        font-size: 11px !important;
        color: var(--text-secondary) !important;
    }

    .upload-quick-view:hover {
        background: var(--bg-hover) !important;
        border-color: var(--primary-color) !important;
        color: var(--primary-color) !important;
    }

    .upload-quick-view:hover i {
        color: var(--primary-color) !important;
    }

    .upload-quick-view i {
        font-size: 10px !important;
        color: var(--text-secondary) !important;
    }

    .upload-quick-view span {
        font-weight: 500 !important;
    }

    /* 第四行右：切换按钮 */
    .mobile-view-toggle {
        grid-column: 2 !important;
        grid-row: 4 !important;
        padding: 3px 6px !important;
        margin: 0 !important;
        border-radius: 16px !important;
        width: fit-content !important;
        justify-self: end !important;
        order: 7 !important;
    }
    
    .mobile-view-toggle .toggle-btn {
        padding: 5px 10px !important;
        font-size: 11px !important;
        gap: 4px !important;
        border-radius: 14px !important;
    }
    
    .mobile-view-toggle .toggle-btn i {
        font-size: 10px !important;
    }
    
    /* 编辑器主布局高度调整 - 给下方更多空间 */
    .editor-main-layout {
        height: calc(100vh - 200px) !important;
    }
}

/* ===== 风格设计页面移动端优化 ===== */

/* PC端隐藏移动端风格选择下拉框 */
.style-select-mobile {
    display: none;
}

/* PC端隐藏移动端弹出面板和遮罩层 */
.style-panel-overlay {
    display: none;
}

.style-panel-mobile {
    display: none;
}

/* PC端隐藏移动端编辑切换按钮 */
.mobile-editor-toggle {
    display: none;
}

@media screen and (max-width: 768px) {
    /* 风格设计页面整体布局 - 移除transform以支持fixed定位 */
    #editor-page {
        padding-top: 100px !important;
        transform: none !important;
        overflow: hidden !important;
        height: 100vh !important;
    }

    #editor-page.active {
        transform: none !important;
    }

    /* === 第一行：标题行 - 固定 === */
    #editor-page .page-header {
        position: fixed !important;
        top: 40px !important;
        left: 0 !important;
        right: 0 !important;
        z-index: 102 !important;
        background: var(--bg-primary) !important;
        padding: 3px 12px !important;
        margin-bottom: 0 !important;
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-between !important;
        border-bottom: 1px solid var(--border-color) !important;
        height: 28px !important;
    }

    #editor-page .header-content {
        flex: 1 !important;
    }

    #editor-page .header-content h1 {
        font-size: 12px !important;
        margin-bottom: 0 !important;
        font-weight: 600 !important;
    }

    #editor-page .header-content p {
        display: none !important;
    }

    #editor-page .header-actions {
        gap: 4px !important;
        flex-shrink: 0 !important;
    }

    #editor-page .header-actions .btn {
        padding: 3px 6px !important;
        font-size: 10px !important;
        gap: 3px !important;
    }

    #editor-page .header-actions .btn i {
        font-size: 10px !important;
    }

    #editor-page .header-actions .btn span {
        font-size: 10px !important;
    }

    /* === 第二行：风格选择行 - 固定 === */
    /* 隐藏PC端风格选择 */
    #editor-page .style-gallery-pc {
        display: none !important;
    }

    /* 移动端风格选择：下拉框+自定义按钮（一行） */
    .style-select-mobile {
        display: flex !important;
        position: fixed !important;
        top: 68px !important;
        left: 0 !important;
        right: 0 !important;
        z-index: 101 !important;
        background: var(--bg-primary) !important;
        padding: 8px 12px !important;
        gap: 8px !important;
        align-items: center !important;
        border-bottom: 1px solid var(--border-color) !important;
        height: 40px !important;
    }

    /* 下拉框触发按钮 */
    .style-dropdown-wrapper {
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        flex: 1 !important;
        padding: 6px 12px !important;
        background: var(--bg-surface) !important;
        border: 1px solid var(--border-color) !important;
        border-radius: 8px !important;
        cursor: pointer !important;
        transition: all 0.2s !important;
    }

    .style-dropdown-wrapper:hover {
        border-color: #3b82f6 !important;
    }

    .style-dropdown-wrapper .dropdown-label {
        font-size: 12px !important;
        font-weight: 600 !important;
        color: #3b82f6 !important;
    }

    .style-dropdown-wrapper .dropdown-arrow {
        font-size: 10px !important;
        color: var(--text-secondary) !important;
        transition: transform 0.2s !important;
    }

    .style-dropdown-wrapper.open .dropdown-arrow {
        transform: rotate(180deg) !important;
    }

    /* 弹出面板遮罩层 - 默认隐藏 */
    .style-panel-overlay {
        display: none !important;
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        background: rgba(0, 0, 0, 0.3) !important;
        z-index: 199 !important;
    }

    .style-panel-overlay.show {
        display: block !important;
    }

    /* 弹出面板 - 默认隐藏 */
    .style-panel-mobile {
        display: none !important;
        position: fixed !important;
        top: 108px !important;
        left: 12px !important;
        right: 12px !important;
        z-index: 200 !important;
        background: var(--bg-primary) !important;
        border: 1px solid var(--border-color) !important;
        border-radius: 12px !important;
        padding: 12px !important;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15) !important;
    }

    .style-panel-mobile.show {
        display: block !important;
    }

    /* 格子布局 - 每行2个，共4行 */
    .style-grid-mobile {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px !important;
    }

    .style-grid-item {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        padding: 12px 8px !important;
        background: var(--bg-surface) !important;
        border: 1px solid var(--border-color) !important;
        border-radius: 8px !important;
        cursor: pointer !important;
        transition: all 0.2s !important;
    }

    .style-grid-item span {
        font-size: 12px !important;
        font-weight: 600 !important;
        color: #3b82f6 !important;
    }

    .style-grid-item:hover {
        border-color: #3b82f6 !important;
        background: rgba(59, 130, 246, 0.05) !important;
    }

    .style-grid-item.active {
        border-color: #3b82f6 !important;
        background: rgba(59, 130, 246, 0.1) !important;
    }

    .style-grid-item.custom-slot span {
        color: var(--text-secondary) !important;
        font-weight: 500 !important;
    }

    .style-grid-item.custom-slot:hover span {
        color: #3b82f6 !important;
    }

    /* 自定义风格按钮 */
    .btn-custom-style {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 4px !important;
        padding: 6px 10px !important;
        font-size: 11px !important;
        background: var(--bg-surface) !important;
        border: 1px solid var(--border-color) !important;
        border-radius: 8px !important;
        color: var(--text-secondary) !important;
        cursor: pointer !important;
        white-space: nowrap !important;
    }

    .btn-custom-style:hover {
        border-color: var(--primary-color) !important;
        color: var(--primary-color) !important;
    }

    .btn-custom-style i {
        font-size: 10px !important;
    }

    .btn-custom-style span {
        font-size: 11px !important;
    }

    /* === 第三行：预览/编辑标题行 - 固定 === */
    #editor-page .editor-workspace {
        margin: 0 !important;
        padding: 0 !important;
        height: calc(100vh - 160px) !important;
        display: flex !important;
        flex-direction: column !important;
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
    }

    #editor-page .editor-columns {
        display: flex !important;
        flex-direction: column !important;
        flex: 1 !important;
        overflow: hidden !important;
        margin: 0 !important;
        padding: 0 !important;
        gap: 0 !important;
        border: none !important;
        background: transparent !important;
    }

    #editor-page .editor-column {
        margin: 0 !important;
        padding: 0 !important;
        border: none !important;
        border-radius: 0 !important;
        box-shadow: none !important;
        background: transparent !important;
    }

    #editor-page .editor-column.editor-left {
        display: none !important;
        flex-direction: column !important;
        flex: 1 !important;
        overflow: hidden !important;
    }

    #editor-page .editor-column.editor-right {
        display: flex !important;
        flex-direction: column !important;
        flex: 1 !important;
        overflow: hidden !important;
    }

    #editor-page .editor-column.editor-left.active-view {
        display: flex !important;
    }

    #editor-page .editor-column.editor-right.active-view {
        display: flex !important;
    }

    #editor-page .editor-column.editor-left:not(.active-view) {
        display: none !important;
    }

    #editor-page .editor-column.editor-right:not(.active-view) {
        display: none !important;
    }

    /* 预览/编辑头部 - 固定在风格选择下方 */
    #editor-page .preview-header,
    #editor-page .editor-header {
        position: fixed !important;
        top: 108px !important;
        left: 0 !important;
        right: 0 !important;
        z-index: 100 !important;
        background: var(--bg-primary) !important;
        display: flex !important;
        justify-content: space-between !important;
        align-items: center !important;
        padding: 4px 6px !important;
        border-bottom: 1px solid var(--border-color) !important;
        height: 32px !important;
        margin: 0 !important;
    }

    #editor-page .preview-header h3,
    #editor-page .editor-header h3 {
        font-size: 12px !important;
        margin: 0 !important;
        line-height: 32px !important;
    }

    /* 隐藏移动端预览/编辑头部的额外按钮 */
    #editor-page .preview-tools > .btn.btn-sm.btn-ghost,
    #editor-page .editor-tools > .btn.btn-sm.btn-ghost {
        display: none !important;
    }

    /* ========== 内容区域彻底重置 ========== */

    /* preview-content: 移除所有内边距 */
    #editor-page .editor-column .preview-content,
    #editor-page .editor-column .editor-content,
    #editor-page .editor-column.editor-right .preview-content,
    #editor-page .editor-column.editor-left .editor-content {
        flex: 1 !important;
        overflow-y: auto !important;
        margin: 0 !important;
        margin-top: 0 !important;
        padding: 0 !important;
        border: none !important;
        border-radius: 0 !important;
        box-shadow: none !important;
        background: var(--bg-primary) !important;
        max-height: calc(100vh - 80px) !important;
    }

    /* styled-preview: 只保留2px顶部间距和左右边距 */
    #editor-page .editor-column .preview-content .styled-preview,
    #editor-page .editor-column .preview-content #style-preview,
    #editor-page .preview-content .styled-preview,
    #editor-page .preview-content #style-preview,
    #editor-page #style-preview,
    #editor-page .styled-preview {
        margin: 0 !important;
        padding: 8px 10px 12px 10px !important;
        border: none !important;
        border-radius: 0 !important;
        box-shadow: none !important;
        background: white !important;
        min-height: calc(100% + 300px) !important;
    }

    /* 预览内容第一个元素: 强制无顶部间距 */
    #editor-page .styled-preview > *:first-child,
    #editor-page #style-preview > *:first-child {
        margin-top: 0 !important;
        padding-top: 0 !important;
    }

    /* 段落样式 */
    #editor-page .styled-preview p,
    #editor-page #style-preview p {
        font-size: 14px !important;
        line-height: 1.6 !important;
        margin-bottom: 0.7em !important;
        margin-top: 0 !important;
    }

    /* 标题样式 */
    #editor-page .styled-preview h1,
    #editor-page #style-preview h1 {
        font-size: 18px !important;
        margin-top: 0.8em !important;
        margin-bottom: 0.5em !important;
    }

    #editor-page .styled-preview h2,
    #editor-page #style-preview h2 {
        font-size: 16px !important;
        margin-top: 0.8em !important;
        margin-bottom: 0.5em !important;
    }

    #editor-page .styled-preview h3,
    #editor-page #style-preview h3 {
        font-size: 14px !important;
        margin-top: 0.6em !important;
        margin-bottom: 0.4em !important;
    }

    #editor-page .preview-placeholder {
        margin: 0 !important;
        padding: 15px 12px !important;
    }

    #editor-page .editor-content {
        padding: 12px !important;
    }

    #editor-page .content-editor {
        height: 100% !important;
        min-height: 300px !important;
        margin: 0 !important;
        border: 1px solid var(--border-color) !important;
        border-radius: 6px !important;
    }

    /* 移动端编辑/预览切换按钮 */
    .mobile-editor-toggle {
        display: flex !important;
        gap: 0 !important;
        background: var(--bg-surface) !important;
        border: 1px solid var(--border-color) !important;
        border-radius: 16px !important;
        padding: 2px !important;
    }

    .mobile-editor-toggle .toggle-btn {
        padding: 3px 8px !important;
        font-size: 10px !important;
        border: none !important;
        background: transparent !important;
        color: var(--text-secondary) !important;
        cursor: pointer !important;
        border-radius: 14px !important;
        transition: all 0.2s !important;
        display: flex !important;
        align-items: center !important;
        gap: 3px !important;
    }

    .mobile-editor-toggle .toggle-btn.active {
        background: #f97316 !important;
        color: white !important;
    }

    .mobile-editor-toggle .toggle-btn i {
        font-size: 9px !important;
    }
}

/* ===== 导出模态框样式 ===== */
.export-modal {
    max-width: 400px !important;
    width: 90% !important;
}

.export-hint {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 16px;
    text-align: center;
}

.export-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.export-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.export-option:hover {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.05);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.export-option i {
    font-size: 24px;
    width: 40px;
    text-align: center;
}

.export-option i.fa-file-word {
    color: #2b579a;
}

.export-option i.fa-file-pdf {
    color: #dc2626;
}

.export-option i.fa-clipboard {
    color: #059669;
}

.export-option span {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

.export-option small {
    font-size: 11px;
    color: var(--text-secondary);
}
/* ==========================================================================
   公众号托管功能样式
   ========================================================================== */

.hosting-management {
    padding: 24px;
}

.hosting-mode-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.mode-tab {
    flex: 1;
    padding: 16px;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.mode-tab i {
    font-size: 24px;
    color: #6b7280;
    transition: color 0.3s ease;
}

.mode-tab span {
    font-size: 14px;
    font-weight: 600;
    color: #374151;
}

.mode-tab:hover {
    border-color: #667eea;
    background: #f0f4ff;
}

.mode-tab.active {
    border-color: #667eea;
    background: linear-gradient(135deg, #667eea20, #764ba220);
}

.mode-tab.active i {
    color: #667eea;
}

.hosting-mode-content {
    display: none;
}

.file-upload-area {
    border: 2px dashed #d1d5db;
    border-radius: 12px;
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.file-upload-area:hover {
    border-color: #667eea;
    background: #f9fafb;
}

.upload-placeholder i {
    font-size: 48px;
    color: #9ca3af;
    margin-bottom: 16px;
}

.upload-placeholder p {
    font-size: 16px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 8px;
}

.file-hint {
    font-size: 13px;
    color: #6b7280;
}

.uploaded-file {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: #f3f4f6;
    border-radius: 8px;
}

.uploaded-file i {
    font-size: 32px;
    color: #dc2626;
}

.uploaded-file .file-name {
    flex: 1;
    font-size: 14px;
    font-weight: 600;
    color: #374151;
}

.btn-remove {
    width: 28px;
    height: 28px;
    border: none;
    background: #ef4444;
    color: white;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-remove:hover {
    background: #dc2626;
}

.chapter-list {
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    max-height: 300px;
    overflow-y: auto;
}

.chapter-item {
    padding: 12px 16px;
    border-bottom: 1px solid #f3f4f6;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.chapter-item:hover {
    background: #f9fafb;
}

.chapter-item:last-child {
    border-bottom: none;
}

.chapter-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.chapter-number {
    font-size: 12px;
    font-weight: 600;
    color: #667eea;
    background: #eef2ff;
    padding: 4px 8px;
    border-radius: 4px;
}

.chapter-title {
    flex: 1;
    font-size: 14px;
    color: #374151;
}

.chapter-status {
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 4px;
}

.chapter-status.pending {
    background: #f3f4f6;
    color: #6b7280;
}

.chapter-status.processing {
    background: #fef3c7;
    color: #92400e;
}

.chapter-status.completed {
    background: #d1fae5;
    color: #065f46;
}

.reference-files {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.reference-file-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: #f3f4f6;
    border-radius: 6px;
}

.reference-file-item i {
    color: #667eea;
}

.reference-file-item span {
    flex: 1;
    font-size: 13px;
    color: #374151;
}

.frequency-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.radio-option:hover {
    background: #f9fafb;
}

.radio-option input[type="radio"] {
    cursor: pointer;
}

.radio-option span {
    font-size: 14px;
    color: #374151;
}

.time-input,
.weekday-select {
    padding: 6px 10px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 13px;
}

.wechat-config {
    display: flex;
    gap: 12px;
}

.hosting-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid #e5e7eb;
}

.hosting-tasks {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 2px solid #e5e7eb;
}

.hosting-tasks h4 {
    font-size: 16px;
    font-weight: 600;
    color: #111827;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.task-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.task-item {
    padding: 16px;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    background: white;
    transition: all 0.2s ease;
}

.task-item:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.task-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.task-title {
    font-size: 15px;
    font-weight: 600;
    color: #111827;
}

.task-status-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.task-status-badge.running {
    background: #d1fae5;
    color: #065f46;
}

.task-status-badge.paused {
    background: #fef3c7;
    color: #92400e;
}

.task-info {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 13px;
    color: #6b7280;
    margin-bottom: 12px;
}

.task-info-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.task-actions {
    display: flex;
    gap: 8px;
}

.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: #9ca3af;
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 14px;
}