/* ========================================
   提示词搜索前端样式
   现代浅色主题 + 米白/天青配色
   ======================================== */

/* CSS 变量 */
:root {
    /* 主色调：米白色背景 */
    --bg-primary: #FAF9F6;
    /* Rice White / Off White */
    --bg-secondary: #FFFFFF;
    /* Pure White for sidebar/panels */
    --bg-card: #FFFFFF;
    --bg-hover: #F4F4F5;
    /* Zinc-100 */

    /* 文本颜色：黑色/深灰 */
    --text-primary: #18181B;
    /* Zinc-900 */
    --text-secondary: #52525B;
    /* Zinc-600 */
    --text-muted: #A1A1AA;
    /* Zinc-400 */

    /* 辅色：天青色 (Cyan/Teal) */
    --accent: #0891b2;
    /* Cyan-600 */
    --accent-hover: #06b6d4;
    /* Cyan-500 */
    --accent-glow: rgba(8, 145, 178, 0.15);

    /* 边框与装饰 */
    --border: #E4E4E7;
    /* Zinc-200 */
    --border-hover: #D4D4D8;
    /* Zinc-300 */

    /* 状态色 */
    --success: #10b981;
    --warning: #f59e0b;

    /* 阴影 */
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);

    /* 其他 */
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.2s ease;
}

/* 全局样式重置 */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html,
body {
    height: 100%;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow: hidden;
}

/* 主容器 */
.container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* ========================================
   侧边栏
   ======================================== */
.sidebar {
    width: 320px;
    min-width: 320px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 24px;
    gap: 24px;
    overflow-y: auto;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.02);
    z-index: 10;
}

/* Logo 区域 */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-link {
    display: flex;
    transition: var(--transition);
}

.logo-link:hover {
    opacity: 0.7;
    transform: scale(1.05);
}

.logo-icon {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.logo-text h1 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.logo-text .subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* 搜索区域 */
.search-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.search-box {
    display: flex;
    gap: 8px;
}

.search-box input {
    flex: 1;
    padding: 10px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

.search-box input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background: #fff;
}

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

.search-btn {
    padding: 10px 12px;
    background: var(--accent);
    border: none;
    border-radius: var(--radius);
    color: white;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--accent-glow);
}

.search-btn svg {
    width: 20px;
    height: 20px;
}

/* 搜索策略 */
.search-strategy {
    background: var(--bg-primary);
    padding: 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.strategy-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-weight: 500;
}

.strategy-options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}

.checkbox-label:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.checkbox-label input[type="checkbox"] {
    accent-color: var(--accent);
    width: 14px;
    height: 14px;
}

/* 分类导航 */
.category-section h3 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.icon-sm {
    width: 16px;
    height: 16px;
}

.category-buttons {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.category-btn {
    padding: 10px 16px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

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

.category-btn.active {
    background: var(--accent);
    color: white;
    box-shadow: 0 4px 12px var(--accent-glow);
}

/* 统计信息 */
.stats {
    margin-top: auto;
    padding: 16px;
    background: var(--bg-primary);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.stat-item {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.stat-value {
    color: var(--accent);
    font-weight: 600;
    font-family: monospace;
}

/* ========================================
   主内容区域
   ======================================== */
.main-content {
    flex: 1;
    display: flex;
    overflow: hidden;
    background: var(--bg-primary);
}

/* 结果面板 */
.results-panel {
    width: 380px;
    min-width: 380px;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
}

.panel-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-secondary);
}

.panel-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.result-count {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.results-list {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}

/* 结果项 */
.result-item {
    padding: 16px;
    margin-bottom: 10px;
    background: var(--bg-primary);
    border: 1px solid transparent;
    /* var(--border) optional */
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

.result-item:hover {
    background: white;
    border-color: var(--border-hover);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.result-item.active {
    border-color: var(--accent);
    background: white;
    box-shadow: 0 0 0 1px var(--accent), var(--shadow);
}

.result-item .filename {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 6px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.item-icon {
    width: 16px;
    height: 16px;
    color: var(--accent);
}

.result-item .path {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.result-item .description {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
}

.result-item .category-tag {
    display: inline-block;
    padding: 4px 10px;
    background: var(--bg-hover);
    color: var(--text-secondary);
    border-radius: 20px;
    font-size: 0.75rem;
    margin-top: 10px;
    font-weight: 500;
}

.result-item.active .category-tag {
    background: var(--accent-glow);
    color: var(--accent);
}

/* 搜索高亮 */
.highlight {
    background: rgba(245, 158, 11, 0.2);
    /* Warning low opacity */
    color: #b45309;
    padding: 0 2px;
    border-radius: 2px;
    font-weight: 600;
}

/* ========================================
   预览面板
   ======================================== */
.preview-panel {
    flex: 1;
    min-width: 0; /* 修复 flex item 默认 min-width: auto 导致的水平溢出 */
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    position: relative;
}

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

.placeholder-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 24px;
    opacity: 0.4;
    color: var(--text-secondary);
}

.preview-placeholder p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* 预览内容 */
.preview-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0; /* 修复竖直方向溢出 */
    background: white;
    margin: 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    overflow: hidden;
}

.preview-header {
    padding: 20px 32px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
    background: white;
}

.preview-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    flex: 1;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.preview-actions {
    display: flex;
    gap: 12px;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

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

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

.action-btn .icon {
    width: 16px;
    height: 16px;
}

/* 预览正文 */
.preview-body {
    flex: 1;
    min-height: 0;        /* 防止 flex 子项撤销滚动 */
    overflow-y: auto;
    padding: 0;
    position: relative;
    background: #FAFAFA;
}

.preview-text {
    font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
    font-size: 0.95rem;
    line-height: 1.7;
    white-space: pre-wrap;
    word-break: break-word;
    color: #333;
    padding: 32px;
    background: transparent;
    border: none;
}

/* 预览底部 */
.preview-footer {
    padding: 24px 32px;
    border-top: 1px solid var(--border);
    background: #e6f2fa;
    flex-shrink: 0;
}

.description-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.description-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========================================
   渲染切换按钮激活态
   ======================================== */
.action-btn.active {
    background: var(--accent-glow);
    border-color: var(--accent);
    color: var(--accent);
}

/* ========================================
   Markdown 渲染视图
   ======================================== */
.preview-rendered {
    padding: 32px;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--text-primary);
    background: transparent;
    /* 让渲染区域和 pre 区域保持一致的滚动容器 */
    min-height: 0;
    word-break: break-word;     /* 防止长词超出截断 */
    overflow-wrap: break-word;
}

/* 标题层级 */
.preview-rendered h1,
.preview-rendered h2,
.preview-rendered h3,
.preview-rendered h4,
.preview-rendered h5,
.preview-rendered h6 {
    margin: 1.4em 0 0.5em;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
}

.preview-rendered h1 { font-size: 1.6rem; border-bottom: 2px solid var(--border); padding-bottom: 0.3em; }
.preview-rendered h2 { font-size: 1.3rem; border-bottom: 1px solid var(--border); padding-bottom: 0.2em; }
.preview-rendered h3 { font-size: 1.1rem; }
.preview-rendered h4 { font-size: 1rem; }

/* 段落与间距 */
.preview-rendered p { margin: 0.75em 0; }

/* 强调 */
.preview-rendered strong { font-weight: 700; color: var(--text-primary); }
.preview-rendered em { font-style: italic; color: var(--text-secondary); }

/* 行内代码 */
.preview-rendered code {
    font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
    font-size: 0.88em;
    background: rgba(8, 145, 178, 0.08);
    color: var(--accent);
    padding: 0.15em 0.4em;
    border-radius: 4px;
    border: 1px solid rgba(8, 145, 178, 0.15);
}

/* 代码块 */
.preview-rendered pre {
    background: #f5f7fa;
    color: #2d3a4a;
    border-radius: var(--radius-sm);
    padding: 20px 24px;
    white-space: pre-wrap;  /* 自动折行，不出现横向滚动条 */
    word-break: break-all;
    margin: 1em 0;
    font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
    font-size: 0.88rem;
    line-height: 1.6;
    border: 1px solid var(--border);
}

.preview-rendered pre code {
    background: none;
    color: inherit;
    padding: 0;
    border: none;
    font-size: inherit;
}

/* 引用块 */
.preview-rendered blockquote {
    margin: 1em 0;
    padding: 12px 20px;
    border-left: 4px solid var(--accent);
    background: var(--accent-glow);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-secondary);
    font-style: italic;
}

.preview-rendered blockquote p { margin: 0; }

/* 列表 */
.preview-rendered ul,
.preview-rendered ol {
    margin: 0.75em 0;
    padding-left: 1.8em;
}

.preview-rendered li { margin: 0.3em 0; }
.preview-rendered ul li { list-style-type: disc; }
.preview-rendered ol li { list-style-type: decimal; }

/* 嵌套列表 */
.preview-rendered li > ul,
.preview-rendered li > ol { margin: 0.2em 0; }

/* 分隔线 */
.preview-rendered hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 1.5em 0;
}

/* 链接 */
.preview-rendered a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid rgba(8, 145, 178, 0.3);
    transition: var(--transition);
}

.preview-rendered a:hover {
    border-bottom-color: var(--accent);
    color: var(--accent-hover);
}

/* 表格 */
.preview-rendered table {
    width: 100%;
    border-collapse: collapse;
    margin: 1em 0;
    font-size: 0.9rem;
}

.preview-rendered th,
.preview-rendered td {
    padding: 8px 16px;
    border: 1px solid var(--border);
    text-align: left;
}

.preview-rendered th {
    background: var(--bg-hover);
    font-weight: 600;
    color: var(--text-primary);
}

.preview-rendered tr:nth-child(even) td {
    background: rgba(0, 0, 0, 0.015);
}

/* 图片 */
.preview-rendered img {
    max-width: 100%;
    border-radius: var(--radius-sm);
    margin: 0.5em 0;
}

/* 荧光笔标记语法 #概念# */
.highlight-marker {
    display: inline;
    padding: 0.1em 0.3em;
    border-radius: 3px;
    font-weight: 500;
}

/* 单色荧光笔（无冒号时） */
.highlight-marker--single {
    background: rgba(255, 230, 0, 0.35);
    color: inherit;
}

/* 双色荧光笔：冒号前（青绿色） */
.highlight-marker--before {
    background: rgba(0, 200, 150, 0.3);
    color: inherit;
}

/* 双色荧光笔：冒号后（粉橙色） */
.highlight-marker--after {
    background: rgba(255, 100, 50, 0.25);
    color: inherit;
}



/* ========================================
   加载动画
   ======================================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(4px);
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-overlay p {
    margin-top: 16px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ========================================
   滚动条样式
   ======================================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #E4E4E7;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #D4D4D8;
}

/* ========================================
   空状态
   ======================================== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 64px 24px;
    color: var(--text-muted);
}

.empty-state .icon {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
    color: var(--border-hover);
}

.empty-state .message {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1200px) {
    .results-panel {
        width: 320px;
        min-width: 320px;
    }
}

@media (max-width: 900px) {
    .sidebar {
        width: 280px;
        min-width: 280px;
    }
}

/* ========================================
   移动端适配 (Max Width: 768px)
   ======================================== */

/* 移动端控件 (默认隐藏) */
.menu-btn,
.back-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 8px;
    margin-right: 8px;
    border-radius: var(--radius-sm);
}

.menu-btn:hover,
.back-btn:hover {
    background: var(--bg-hover);
}

.menu-btn svg,
.back-btn svg {
    width: 24px;
    height: 24px;
}

/* 遮罩层 */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 90;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(2px);
}

.sidebar-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

@media (max-width: 768px) {

    /* 显示移动端按钮 */
    .menu-btn,
    .back-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* 侧边栏改为抽屉式 */
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 100;
        width: 280px;
        box-shadow: none;
    }

    .sidebar.active {
        transform: translateX(0);
        box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15);
    }

    /* 侧边栏内容适配 */
    .sidebar {
        padding: 16px;
        gap: 16px;
        overflow-x: hidden;
    }

    .search-box {
        flex-wrap: nowrap;
    }

    .search-box input {
        min-width: 0;
        padding: 10px 12px;
    }

    .search-strategy {
        padding: 12px;
    }

    .strategy-options {
        gap: 6px;
    }

    .checkbox-label {
        padding: 5px 8px;
        font-size: 0.8rem;
    }

    /* 结果列表全宽 */
    .results-panel {
        width: 100%;
        min-width: 0;
        border-right: none;
    }

    /* 预览面板全屏覆盖 */
    .preview-panel {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 110;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        background: var(--bg-primary);
    }

    .preview-panel.active {
        transform: translateX(0);
    }

    /* 调整预览内容布局 */
    .preview-content {
        margin: 0;
        border-radius: 0;
        border: none;
        height: 100%;
        display: flex;
        flex-direction: column;
    }

    .preview-header {
        padding: 16px;
    }

    .preview-header h2 {
        font-size: 1.1rem;
    }

    .preview-text {
        padding: 20px;
        font-size: 0.9rem;
    }

    .preview-footer {
        padding: 16px 20px;
    }

    /* Logo 调整 */
    .logo {
        margin-bottom: 8px;
    }

    /* 操作按钮调整：只显示图标 */
    .action-btn .text {
        display: none;
    }

    .action-btn {
        padding: 8px;
    }
}