/* ============================================
   B站动态管理系统 - 主题样式表
   支持明亮/暗黑/跟随系统三种模式
   ============================================ */

/* ----------------------------------------
   1. CSS变量定义
   ---------------------------------------- */

/* 明亮模式（默认） */
:root {
    /* 主色调 */
    --primary-color: #00a1d6;
    --primary-hover: #008fc1;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #f25d8e;
    --favorite-color: #f44336;

    /* 背景色 */
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-tertiary: #eeeeee;
    --bg-hover: #f0f0f0;

    /* 文字色 */
    --text-primary: #212121;
    --text-secondary: #757575;
    --text-tertiary: #999999;

    /* 边框色 */
    --border-color: #e0e0e0;
    --border-light: #eeeeee;

    /* 阴影 */
    --shadow-sm: 0 1px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.15);

    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* 过渡动画 */
    --transition-theme: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* 暗黑模式 */
[data-theme="dark"] {
    /* 主色调 - 稍微调亮以适应暗色背景 */
    --primary-color: #00b5e2;
    --primary-hover: #00c4f0;
    --success-color: #5cbf60;
    --warning-color: #ffa726;
    --danger-color: #f06292;
    --favorite-color: #ef5350;

    /* 背景色 */
    --bg-primary: #1a1a1a;
    --bg-secondary: #242424;
    --bg-tertiary: #2d2d2d;
    --bg-hover: #333333;

    /* 文字色 */
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --text-tertiary: #707070;

    /* 边框色 */
    --border-color: #404040;
    --border-light: #333333;

    /* 阴影 - 在暗黑模式下更柔和 */
    --shadow-sm: 0 1px 4px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.5);
}

/* 跟随系统偏好 */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        /* 主色调 */
        --primary-color: #00b5e2;
        --primary-hover: #00c4f0;
        --success-color: #5cbf60;
        --warning-color: #ffa726;
        --danger-color: #f06292;
        --favorite-color: #ef5350;

        /* 背景色 */
        --bg-primary: #1a1a1a;
        --bg-secondary: #242424;
        --bg-tertiary: #2d2d2d;
        --bg-hover: #333333;

        /* 文字色 */
        --text-primary: #e0e0e0;
        --text-secondary: #a0a0a0;
        --text-tertiary: #707070;

        /* 边框色 */
        --border-color: #404040;
        --border-light: #333333;

        /* 阴影 */
        --shadow-sm: 0 1px 4px rgba(0,0,0,0.3);
        --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
        --shadow-lg: 0 8px 24px rgba(0,0,0,0.5);
    }
}

/* ----------------------------------------
   2. 基础样式重置
   ---------------------------------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    transition: var(--transition-theme);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.5;
    transition: var(--transition-theme);
    min-height: 100vh;
}

/* ----------------------------------------
   3. 导航栏
   ---------------------------------------- */
.navbar {
    background: var(--bg-primary);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition-theme);
    border-bottom: 1px solid var(--border-color);
}

.navbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.navbar h1 {
    font-size: 18px;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.menu-toggle span {
    width: 20px;
    height: 2px;
    background: var(--text-secondary);
    border-radius: 2px;
    transition: all 0.3s;
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

/* ----------------------------------------
   4. 主题切换按钮
   ---------------------------------------- */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 18px;
    transition: all 0.2s ease;
}

.theme-toggle:hover {
    background: var(--bg-hover);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: scale(1.05);
}

.theme-toggle:active {
    transform: scale(0.95);
}

/* 主题切换下拉菜单 */
.theme-dropdown {
    position: relative;
}

.theme-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 140px;
    z-index: 200;
    display: none;
    overflow: hidden;
}

.theme-menu.show {
    display: block;
    animation: fadeInDown 0.2s ease;
}

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

.theme-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-primary);
    transition: background 0.2s;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.theme-option:hover {
    background: var(--bg-hover);
}

.theme-option.active {
    color: var(--primary-color);
    background: var(--bg-secondary);
}

.theme-option-icon {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

/* ----------------------------------------
   5. 移动端抽屉
   ---------------------------------------- */
.drawer {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 150;
}

.drawer.open {
    display: block;
}

.drawer-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    opacity: 0;
    transition: opacity 0.3s;
}

.drawer.open .drawer-overlay {
    opacity: 1;
}

.drawer-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 280px;
    max-width: 85vw;
    height: 100%;
    background: var(--bg-primary);
    transform: translateX(100%);
    transition: transform 0.3s, background 0.3s;
    padding: 20px;
    overflow-y: auto;
    border-left: 1px solid var(--border-color);
}

.drawer.open .drawer-content {
    transform: translateX(0);
}

.drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.drawer-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.2s;
}

.drawer-close:hover {
    color: var(--text-primary);
}

.drawer-section {
    margin-bottom: 20px;
}

.drawer-section h4 {
    font-size: 14px;
    color: var(--text-tertiary);
    margin-bottom: 10px;
}

.drawer-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* ----------------------------------------
   6. 按钮组件
   ---------------------------------------- */
.btn {
    padding: 8px 16px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
    white-space: nowrap;
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn:hover:not(:disabled) {
    opacity: 0.85;
    transform: translateY(-1px);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--primary-color);
    color: #fff;
}

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

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

.btn-danger {
    background: var(--danger-color);
    color: #fff;
}

.btn-success {
    background: var(--success-color);
    color: #fff;
}

.btn-warning {
    background: var(--warning-color);
    color: #fff;
}

.btn-favorite {
    background: var(--favorite-color);
    color: #fff;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn.active {
    opacity: 1;
    box-shadow: 0 0 0 2px rgba(0,161,214,0.3);
}

/* ----------------------------------------
   7. 登录状态徽章
   ---------------------------------------- */
.login-status {
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 12px;
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
    transition: var(--transition-theme);
}

.login-status.expired {
    background: rgba(242, 93, 142, 0.15);
    color: var(--danger-color);
}

.login-status.logged-in {
    background: rgba(76, 175, 80, 0.15);
    color: var(--success-color);
}

/* ----------------------------------------
   8. 筛选栏
   ---------------------------------------- */
.filter-bar {
    background: var(--bg-primary);
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    gap: 8px;
    align-items: center;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    transition: var(--transition-theme);
}

.filter-bar::-webkit-scrollbar {
    display: none;
}

.filter-tab {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-secondary);
    transition: all 0.2s;
    text-decoration: none;
    white-space: nowrap;
}

.filter-tab:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.filter-tab.active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

/* ----------------------------------------
   8.5 类型筛选栏
   ---------------------------------------- */
.type-filter-bar {
    max-width: 1200px;
    margin: 0 auto 16px;
    padding: 12px 16px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-theme);
}

.type-filter-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

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

.type-filter-mode {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}

.type-filter-mode input[type="checkbox"] {
    width: 36px;
    height: 18px;
    appearance: none;
    background: var(--bg-tertiary);
    border-radius: 9px;
    position: relative;
    cursor: pointer;
    transition: background 0.3s;
    border: 1px solid var(--border-color);
}

.type-filter-mode input[type="checkbox"]:checked {
    background: var(--danger-color);
}

.type-filter-mode input[type="checkbox"]::after {
    content: '';
    position: absolute;
    width: 14px;
    height: 14px;
    background: #fff;
    border-radius: 50%;
    top: 1px;
    left: 2px;
    transition: transform 0.3s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.type-filter-mode input[type="checkbox"]:checked::after {
    transform: translateX(17px);
}

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

.type-chip {
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
    user-select: none;
}

.type-chip:hover {
    background: var(--bg-hover);
    border-color: var(--primary-color);
    color: var(--text-primary);
}

.type-chip.active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.type-chip.active.exclude {
    background: var(--danger-color);
    border-color: var(--danger-color);
}

/* ----------------------------------------
   9. 容器与网格
   ---------------------------------------- */
.container {
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 16px;
}

.grid {
    display: grid;
    gap: 12px;
    grid-template-columns: 1fr;
}

/* ----------------------------------------
   10. 卡片组件
   ---------------------------------------- */
.card {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s, background 0.3s;
    border: 1px solid var(--border-light);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.card-cover {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    background: var(--bg-tertiary);
    overflow: hidden;
}

.card-cover img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s;
}

.card-cover .play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 48px;
    height: 48px;
    background: rgba(0,0,0,0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.card-cover .play-icon::after {
    content: "";
    border-left: 18px solid #fff;
    border-top: 11px solid transparent;
    border-bottom: 11px solid transparent;
    margin-left: 4px;
}

.card-cover .type-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    color: #fff;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
}

.card-body {
    padding: 12px;
}

.card-title {
    font-size: 14px;
    line-height: 1.4;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: var(--text-primary);
}

.card-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s;
}

.card-title a:hover {
    color: var(--primary-color);
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    font-size: 12px;
    color: var(--text-secondary);
}

.card-meta img {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
}

.card-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.card.watched {
    opacity: 0.6;
}

/* ----------------------------------------
   11. 骨架屏加载
   ---------------------------------------- */
@keyframes skeleton-loading {
    0% { background-position: -200px 0; }
    100% { background-position: calc(200px + 100%) 0; }
}

.skeleton-grid {
    display: grid;
    gap: 12px;
    grid-template-columns: 1fr;
}

.skeleton-card {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.skeleton-cover {
    width: 100%;
    padding-top: 56.25%;
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-hover) 50%, var(--bg-tertiary) 75%);
    background-size: 200px 100%;
    animation: skeleton-loading 1.5s infinite;
}

.skeleton-body {
    padding: 12px;
}

.skeleton-title {
    height: 40px;
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-hover) 50%, var(--bg-tertiary) 75%);
    background-size: 200px 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: 4px;
    margin-bottom: 8px;
}

.skeleton-meta {
    height: 16px;
    width: 60%;
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-hover) 50%, var(--bg-tertiary) 75%);
    background-size: 200px 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: 4px;
    margin-bottom: 10px;
}

.skeleton-actions {
    display: flex;
    gap: 6px;
}

.skeleton-btn {
    height: 28px;
    width: 60px;
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-hover) 50%, var(--bg-tertiary) 75%);
    background-size: 200px 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: 4px;
}

/* ----------------------------------------
   12. 模态框
   ---------------------------------------- */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 200;
    align-items: center;
    justify-content: center;
    padding: 20px;
    backdrop-filter: blur(4px);
}

.modal-overlay.show,
.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
    max-width: 400px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition-theme);
}

.modal h3 {
    margin-bottom: 16px;
    font-size: 18px;
    color: var(--text-primary);
}

.modal .qrcode-img {
    margin: 16px 0;
}

.modal .qrcode-img img {
    width: 200px;
    height: 200px;
    border-radius: var(--radius-sm);
}

.modal .status-text {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.modal-actions {
    display: flex;
    gap: 8px;
    justify-content: center;
}

/* 确认对话框 */
.confirm-dialog {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 24px;
    max-width: 360px;
    width: 100%;
    border: 1px solid var(--border-color);
    transition: var(--transition-theme);
}

.confirm-dialog h3 {
    margin-bottom: 12px;
    font-size: 18px;
    color: var(--text-primary);
}

.confirm-dialog p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.5;
}

.confirm-actions {
    display: flex;
    gap: 8px;
    justify-content: center;
}

/* 设置面板输入框 */
.modal input[type="text"] {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: var(--transition-theme);
}

.modal input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-color);
}

.modal input[type="text"]::placeholder {
    color: var(--text-tertiary);
}

/* ----------------------------------------
   13. 分页
   ---------------------------------------- */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
    padding-bottom: 24px;
    flex-wrap: wrap;
}

.page-btn {
    padding: 6px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    cursor: pointer;
    font-size: 13px;
    text-decoration: none;
    color: var(--text-primary);
    min-width: 40px;
    text-align: center;
    transition: var(--transition-theme);
}

.page-btn:hover:not(.disabled) {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.page-btn.active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.page-btn.disabled {
    opacity: 0.5;
    pointer-events: none;
    color: var(--text-tertiary);
}

/* ----------------------------------------
   14. 空状态
   ---------------------------------------- */
.empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
    font-size: 15px;
}

/* ----------------------------------------
   15. Toast 提示
   ---------------------------------------- */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 12px 20px;
    border-radius: var(--radius-md);
    font-size: 14px;
    z-index: 300;
    opacity: 0;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-md);
    max-width: 90vw;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast.success {
    background: var(--success-color);
    color: #fff;
    border-color: transparent;
}

.toast.error {
    background: var(--danger-color);
    color: #fff;
    border-color: transparent;
}

.toast.warning {
    background: var(--warning-color);
    color: #fff;
    border-color: transparent;
}

.toast.info {
    background: var(--primary-color);
    color: #fff;
    border-color: transparent;
}

.toast-icon {
    font-size: 18px;
}

/* ----------------------------------------
   16. LLM 预测组件
   ---------------------------------------- */
.llm-prediction {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    flex-wrap: wrap;
    font-size: 11px;
}

.llm-tag {
    padding: 3px 6px;
    border-radius: 3px;
    font-weight: 500;
}

.llm-tag.llm-dislike {
    background: rgba(244, 67, 54, 0.15);
    color: #ef5350;
}

[data-theme="dark"] .llm-tag.llm-dislike {
    color: #ff8a80;
}

.llm-tag.llm-like {
    background: rgba(76, 175, 80, 0.15);
    color: #66bb6a;
}

[data-theme="dark"] .llm-tag.llm-like {
    color: #81c784;
}

.llm-reason {
    color: var(--text-tertiary);
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.llm-confirm {
    display: inline-flex;
    gap: 4px;
}

.btn-icon {
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    border-radius: 3px;
    cursor: pointer;
    padding: 2px 6px;
    font-size: 12px;
    color: var(--text-secondary);
    transition: var(--transition-theme);
}

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

.llm-confirmed-ok {
    color: var(--success-color);
    font-weight: 500;
}

.llm-confirmed-wrong {
    color: var(--favorite-color);
    font-weight: 500;
}

.accuracy-badge {
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 12px;
    background: rgba(0, 161, 214, 0.15);
    color: var(--primary-color);
    transition: var(--transition-theme);
}

.accuracy-badge.auto-filter-on {
    background: rgba(76, 175, 80, 0.15);
    color: var(--success-color);
}

/* ----------------------------------------
   17. 响应式断点
   ---------------------------------------- */
@media (min-width: 480px) {
    .grid,
    .skeleton-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .navbar {
        padding: 12px 24px;
    }

    .filter-bar {
        padding: 10px 24px;
    }

    .grid,
    .skeleton-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .navbar-right {
        gap: 12px;
    }
}

@media (min-width: 1024px) {
    .grid,
    .skeleton-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 767px) {
    .menu-toggle {
        display: flex;
    }

    .navbar-right {
        display: none;
    }

    .navbar .accuracy-badge {
        display: none;
    }

    .btn,
    .btn-sm {
        min-height: 44px;
        padding: 10px 16px;
        font-size: 14px;
    }

    .card-actions {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .card-actions .btn {
        justify-content: center;
    }

    .modal {
        padding: 20px;
    }

    .toast {
        left: 16px;
        right: 16px;
        transform: translateY(100px);
    }

    .toast.show {
        transform: translateY(0);
    }

    /* 移动端筛选栏调整 */
    .filter-bar {
        padding: 8px 12px;
        gap: 6px;
    }

    .filter-tab {
        padding: 6px 12px;
        font-size: 13px;
    }

    .type-filter-bar {
        margin: 0 12px 12px;
        padding: 10px 12px;
    }

    .type-filter-header {
        gap: 8px;
    }

    .type-filter-title {
        font-size: 13px;
    }

    .type-chip {
        padding: 5px 10px;
        font-size: 12px;
    }

    /* 移动端主题按钮调整 */
    .theme-toggle {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
}

/* ----------------------------------------
   18. 打印样式
   ---------------------------------------- */
@media print {
    .navbar,
    .filter-bar,
    .card-actions,
    .pagination,
    .theme-toggle {
        display: none !important;
    }

    .card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}