/* 新闻智播 - 移动端样式 */
:root {
    --primary: #1A73E8;
    --primary-light: #E8F0FE;
    --dark: #1F2329;
    --gray: #555555;
    --light-gray: #999999;
    --bg: #F5F7FA;
    --card-bg: #FFFFFF;
    --border: #E8EAED;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
    --skeleton: #ececec;
    --skeleton-shine: #f5f5f5;
    --toast-bg: #323232;
    --toast-text: #fff;
    --overlay: rgba(0,0,0,0.4);
}

/* ── 深色模式 ── */
[data-theme="dark"] {
    --primary: #8AB4F8;
    --primary-light: #1a2a3e;
    --dark: #E8EAED;
    --gray: #9AA0A6;
    --light-gray: #5F6368;
    --bg: #121212;
    --card-bg: #1E1E1E;
    --border: #2D2D2D;
    --shadow: 0 1px 3px rgba(0,0,0,0.3);
    --skeleton: #2a2a2a;
    --skeleton-shine: #333;
    --toast-bg: #E8EAED;
    --toast-text: #121212;
    --overlay: rgba(0,0,0,0.6);
}

/* tag colors now injected dynamically via injectCategoryColors() */
[data-theme="dark"] .sentiment-正面 { background: #1b2e1b; color: #81C784; }
[data-theme="dark"] .sentiment-负面 { background: #2e1818; color: #EF9A9A; }
[data-theme="dark"] .sentiment-中性 { background: #2a2a2a; color: #9AA0A6; }
[data-theme="dark"] .entity-tag.loc { background: #2e2118; color: #FFB74D; }
[data-theme="dark"] .entity-tag.org { background: #0d2137; color: #64B5F6; }
[data-theme="dark"] .entity-tag.kw  { background: #2a1a2e; color: #BA68C8; }

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--dark);
    -webkit-font-smoothing: antialiased;
}

#app {
    max-width: 480px;
    margin: 0 auto;
    min-height: 100vh;
    background: var(--bg);
    position: relative;
}

/* ── 顶栏 ── */
.topbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    background: var(--card-bg);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.search-box {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg);
    border-radius: 20px;
    padding: 8px 14px;
    cursor: pointer;
}

.search-placeholder { color: var(--light-gray); font-size: 14px; }

.topbar-actions { display: flex; gap: 2px; }

/* 更多菜单按钮 — 仅窄屏显示 */
.topbar-overflow-btn { display: none; }

/* 更多菜单下拉面板 */
.topbar-more-menu {
    display: none;
    position: fixed;
    top: 52px;
    right: 8px;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    padding: 4px 0;
    z-index: 200;
    min-width: 140px;
}
.topbar-more-menu.show { display: block; }
.topbar-more-menu button {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    border: none;
    background: none;
    padding: 12px 16px;
    font-size: 14px;
    color: var(--dark);
    cursor: pointer;
    transition: background 0.15s;
}
.topbar-more-menu button:active { background: var(--bg); }
.topbar-more-menu button .icon { width: 20px; height: 20px; flex-shrink: 0; }

/* 响应式：窄屏隐藏 topbar-more 组按钮，显示更多菜单按钮 */
@media (max-width: 480px) {
    .topbar { gap: 4px; padding: 8px 8px; }
    .search-box { flex: 0 0 auto; padding: 8px 10px; border-radius: 50%; }
    .search-box .search-placeholder { display: none; }
    .topbar-more { display: none; }
    .topbar-overflow-btn { display: inline-flex; }
    .topbar-actions { flex: 1; gap: 0; justify-content: space-around; }
}

.icon-btn {
    background: none;
    border: none;
    padding: 8px;
    border-radius: 50%;
    cursor: pointer;
    color: var(--gray);
    transition: background 0.2s;
}
.icon-btn:active { background: var(--primary-light); }

.icon { width: 22px; height: 22px; }
.icon-sm { width: 16px; height: 16px; }

/* ── 类别栏 ── */
.category-bar-wrap {
    position: relative;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
}
.category-bar {
    display: flex;
    gap: 4px;
    padding: 8px 12px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.category-bar::-webkit-scrollbar { display: none; }

.cat-btn {
    flex-shrink: 0;
    padding: 6px 16px;
    border: none;
    background: transparent;
    border-radius: 16px;
    font-size: 14px;
    color: var(--gray);
    cursor: pointer;
    transition: all 0.2s;
}
.cat-btn.active {
    background: var(--primary);
    color: #fff;
}

/* ── 页面容器 ── */
.page-container { position: relative; }

.page {
    display: none;
    min-height: calc(100vh - 120px);
}
.page.active { display: block; }

/* ── 时间栏 ── */
.time-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
}

.time-btn {
    padding: 4px 12px;
    border: 1px solid var(--border);
    background: var(--card-bg);
    border-radius: 14px;
    font-size: 13px;
    color: var(--gray);
    cursor: pointer;
}
.time-btn.active {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary);
}

.news-count {
    margin-left: auto;
    font-size: 13px;
    color: var(--light-gray);
}

/* ── 筛选按钮 ── */
.filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin: 0 12px 8px;
    padding: 6px 14px;
    background: var(--primary-light);
    color: var(--primary);
    border: none;
    border-radius: 16px;
    font-size: 13px;
    cursor: pointer;
}

/* ── 新闻列表 ── */
.news-list { padding: 0 12px 80px; }

.news-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 10px;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: transform 0.15s;
    /* 跳过屏幕外卡片的渲染，提升长列表滚动性能 */
    content-visibility: auto;
    contain-intrinsic-size: 120px;
}
.news-card:active { transform: scale(0.98); }

.news-card-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 12px;
}

.news-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
}
/* tag colors now injected dynamically via injectCategoryColors() */

.news-source { color: var(--gray); }
.news-time { color: var(--light-gray); margin-left: auto; }
.news-video-badge { color: var(--primary); font-size: 14px; }

.news-card h3 {
    font-size: 16px;
    line-height: 1.4;
    margin-bottom: 6px;
    color: var(--dark);
}

.news-summary {
    font-size: 13px;
    color: var(--gray);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ── 空状态 ── */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--light-gray);
}
.empty-hint { font-size: 13px; margin-top: 8px; }

/* ── 搜索页 ── */
.search-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    background: var(--card-bg);
    box-shadow: var(--shadow);
}

.back-btn {
    background: none;
    border: none;
    padding: 6px;
    cursor: pointer;
    color: var(--gray);
}

.search-input {
    flex: 1;
    border: none;
    background: var(--bg);
    border-radius: 20px;
    padding: 8px 14px;
    font-size: 14px;
    outline: none;
}

.search-go {
    padding: 8px 14px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 16px;
    font-size: 14px;
    cursor: pointer;
}

.search-history { padding: 16px 12px; }
.search-history h3 { font-size: 14px; color: var(--gray); margin-bottom: 10px; }

.history-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.history-tag {
    padding: 4px 12px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 14px;
    font-size: 13px;
    color: var(--gray);
    cursor: pointer;
}

/* ── 详情页 ── */
.detail-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    background: var(--card-bg);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}
.detail-header span { flex: 1; font-size: 16px; font-weight: 600; }

.detail-content { padding: 16px 12px 80px; }

.detail-title {
    font-size: 22px;
    line-height: 1.4;
    margin-bottom: 12px;
    color: var(--dark);
}

.detail-meta {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--gray);
}

.detail-summary {
    background: var(--primary-light);
    border-radius: 10px;
    padding: 14px;
    margin-bottom: 16px;
}
.detail-summary h4 { font-size: 13px; color: var(--primary); margin-bottom: 6px; }
.detail-summary p { font-size: 14px; line-height: 1.6; color: var(--dark); }

.detail-body {
    font-size: 15px;
    line-height: 1.8;
    color: var(--dark);
}

.detail-source-link {
    display: inline-block;
    margin-top: 16px;
    padding: 8px 16px;
    background: var(--primary);
    color: #fff;
    border-radius: 20px;
    text-decoration: none;
    font-size: 14px;
}

/* ── 收藏页/设置页 ── */
.settings-content { padding: 16px 12px; }
.settings-group {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 12px;
}
.settings-group h3 { font-size: 16px; margin-bottom: 12px; }
.about-text { font-size: 14px; color: var(--gray); line-height: 1.8; }

.source-group-title {
    font-size: 13px;
    color: var(--light-gray);
    margin: 10px 0 6px;
}
.source-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    font-size: 14px;
}

/* ── 筛选面板 ── */
.filter-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.4);
    z-index: 200;
}

.filter-panel {
    position: absolute;
    bottom: 0;
    left: 0; right: 0;
    max-width: 480px;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: 20px 20px 0 0;
    padding: 20px;
    max-height: 75vh;
    overflow-y: auto;
}

.filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}
.filter-header h3 { font-size: 18px; }
.filter-reset {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 14px;
    cursor: pointer;
}

.filter-section { margin-bottom: 20px; }
.filter-section > label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark);
}

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

.source-check {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: 16px;
    font-size: 13px;
    cursor: pointer;
    color: var(--gray);
}
.source-check.checked {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}

.filter-categories, .filter-time, .filter-chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* S3: 窄屏下横向滚动 */
@media (max-width: 480px) {
    .filter-chip-row {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        padding-bottom: 4px;
    }
    .filter-chip-row .cat-opt,
    .filter-chip-row .evt-opt,
    .filter-chip-row .sentiment-opt,
    .filter-chip-row .date-opt {
        white-space: nowrap;
        flex-shrink: 0;
    }
}

.time-opt, .cat-opt, .evt-opt, .sentiment-opt, .date-opt {
    padding: 6px 14px;
    border: 1px solid var(--border);
    background: var(--card-bg);
    border-radius: 16px;
    font-size: 13px;
    color: var(--gray);
    cursor: pointer;
}
.time-opt.active, .cat-opt.active,
.evt-opt.active, .sentiment-opt.active, .date-opt.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.filter-confirm {
    width: 100%;
    padding: 12px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 24px;
    font-size: 16px;
    cursor: pointer;
    margin-top: 10px;
}

/* ── 响应式 ── */
@media (min-width: 481px) {
    #app {
        box-shadow: 0 0 20px rgba(0,0,0,0.1);
    }
}

/* ── AI 分析组件 ── */

/* 情感标签 */
.sentiment-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}
.sentiment-正面 { background: #E8F5E9; color: #2E7D32; }
.sentiment-负面 { background: #FFEBEE; color: #C62828; }
.sentiment-中性 { background: #F5F5F5; color: #616161; }

/* 实体标签组 */
.entity-section {
    margin-bottom: 16px;
}
.entity-group-title {
    font-size: 12px;
    color: var(--light-gray);
    margin-bottom: 6px;
    font-weight: 600;
}
.entity-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.entity-tag {
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    background: var(--primary-light);
    color: var(--primary);
}
.entity-tag.loc { background: #FFF3E0; color: #E65100; }
.entity-tag.org { background: #E3F2FD; color: #1565C0; }
.entity-tag.kw  { background: #F3E5F5; color: #7B1FA2; }

/* 详情页操作栏 */
.detail-actions {
    display: flex;
    gap: 8px;
    padding: 0 12px 20px;
}
.action-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    border: 1px solid var(--primary);
    background: var(--card-bg);
    color: var(--primary);
    border-radius: 20px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}
.action-btn:active { background: var(--primary); color: #fff; }

/* AI 分析展开区 */
.ai-analysis-box {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 16px;
    border-left: 3px solid var(--primary);
}
.ai-analysis-box h4 {
    font-size: 14px;
    color: var(--primary);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.ai-loading {
    text-align: center;
    padding: 20px;
    color: var(--light-gray);
    font-size: 14px;
}

/* ── AI 流式分析 ── */
.ai-stream-box {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 16px;
    border-left: 3px solid var(--primary);
    animation: ai-stream-fade-in 0.3s ease;
}
.ai-stream-box h4 {
    font-size: 14px;
    color: var(--primary);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.ai-stream-text {
    font-size: 14px;
    line-height: 1.7;
    color: var(--dark);
    min-height: 2em;
}
.ai-stream-cursor {
    animation: ai-stream-blink 1s step-end infinite;
    color: var(--primary);
    font-weight: bold;
    margin-left: 2px;
}
.ai-stream-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    animation: ai-stream-pulse 1.5s ease-in-out infinite;
}
.ai-stream-dot.done {
    background: #4caf50;
    animation: none;
}
@keyframes ai-stream-blink {
    50% { opacity: 0; }
}
@keyframes ai-stream-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(1.3); }
}
@keyframes ai-stream-fade-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── 相关新闻 ── */
.related-news-title {
    font-size: 14px;
    color: var(--primary);
    margin: 20px 0 10px;
    padding-left: 10px;
    border-left: 3px solid var(--primary);
}
.related-news-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.related-news-item {
    background: var(--card-bg);
    border-radius: 10px;
    padding: 12px 14px;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s;
    border: 1px solid rgba(0,0,0,0.04);
}
.related-news-item:active {
    transform: scale(0.98);
}
.related-news-item-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--dark);
    line-height: 1.5;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.related-news-item-meta {
    font-size: 11px;
    color: var(--light-gray);
    display: flex;
    align-items: center;
    gap: 8px;
}
.related-news-item-meta .news-tag {
    font-size: 10px;
    padding: 1px 6px;
}

/* ── 事件页 ── */
.events-content { padding: 12px 12px 80px; }

.event-summary {
    margin: 12px;
    padding: 14px 16px;
    font-size: 14px;
    line-height: 1.7;
    color: var(--dark);
    background: var(--card-bg);
    border-radius: 12px;
    border-left: 3px solid var(--primary);
}

.event-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 10px;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: transform 0.15s;
}
.event-card:active { transform: scale(0.98); }

.event-card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.event-count {
    margin-left: auto;
    font-size: 12px;
    color: var(--light-gray);
}

.event-card h3 {
    font-size: 15px;
    line-height: 1.4;
    color: var(--dark);
}

.event-card-meta {
    font-size: 12px;
    color: var(--gray);
    margin-top: 6px;
}

.event-card-summary {
    font-size: 13px;
    color: var(--gray);
    line-height: 1.5;
    margin-top: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ── 播报页 ── */
.broadcast-content { padding: 12px 12px 80px; }

.broadcast-generate {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 12px;
    box-shadow: var(--shadow);
}
.broadcast-generate h3 { font-size: 16px; margin-bottom: 12px; }

.broadcast-options {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}
.broadcast-options label {
    font-size: 13px;
    color: var(--gray);
    flex-shrink: 0;
}
.broadcast-select {
    flex: 1;
    min-width: 80px;
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 13px;
    background: var(--bg);
    color: var(--dark);
    outline: none;
}

.generate-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    width: 100%;
    justify-content: center;
    padding: 10px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 24px;
    font-size: 15px;
    cursor: pointer;
    transition: opacity 0.2s;
}
.generate-btn:active { opacity: 0.8; }
.generate-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* 取消生成状态 */
.generate-btn.btn-canceling {
    background: #e53935;
    color: #fff;
}
.generate-btn .btn-cancel-icon {
    font-size: 14px;
    line-height: 1;
}

/* 播报进度提示 */
.broadcast-progress {
    margin-top: 10px;
    padding: 8px 14px;
    text-align: center;
    font-size: 13px;
    color: var(--text-secondary, #666);
    background: var(--card-bg, #f5f5f5);
    border-radius: 8px;
    animation: bp-fade-pulse 2s ease-in-out infinite;
}
@keyframes bp-fade-pulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

.broadcast-player {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 12px;
    box-shadow: var(--shadow);
}
.broadcast-player h3 { font-size: 16px; margin-bottom: 8px; }

.player-meta {
    font-size: 12px;
    color: var(--gray);
    margin-bottom: 12px;
}

.audio-player {
    width: 100%;
    margin-bottom: 12px;
}

.player-script {
    background: var(--bg);
    border-radius: 8px;
    padding: 12px;
    font-size: 14px;
    line-height: 1.8;
    color: var(--dark);
    max-height: 200px;
    overflow-y: auto;
}

.broadcast-history h3 {
    font-size: 16px;
    margin: 16px 0 10px;
}

.broadcast-item {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 14px;
    margin-bottom: 10px;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: transform 0.15s;
}
.broadcast-item:active { transform: scale(0.98); }

.broadcast-item-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}
.broadcast-item-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
    flex: 1;
}
.broadcast-item-meta {
    font-size: 12px;
    color: var(--light-gray);
    display: flex;
    gap: 12px;
}
.broadcast-duration {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    color: var(--primary);
    font-size: 12px;
}

/* ── 设置页 - 来源管理 ── */
.source-group {
    margin-bottom: 20px;
}
.source-group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}
.source-group-header .source-group-title {
    margin-bottom: 0;
}
.source-group-del {
    border: none;
    background: none;
    color: var(--light-gray);
    font-size: 16px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
}
.source-group-del:active { background: rgba(0,0,0,0.06); }

.source-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-radius: 10px;
    background: var(--card-bg);
    margin-bottom: 6px;
    box-shadow: var(--shadow);
}
.source-item.disabled .source-name { color: var(--light-gray); text-decoration: line-through; }
.source-name { font-size: 14px; font-weight: 500; }
.source-actions { display: flex; align-items: center; gap: 10px; }
.source-del-btn {
    border: none;
    background: none;
    color: var(--light-gray);
    font-size: 14px;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 4px;
}
.source-del-btn:active { color: #e53935; }

/* iOS 风格开关 */
.source-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}
.source-switch input { opacity: 0; width: 0; height: 0; }
.source-slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background: #ccc;
    border-radius: 24px;
    transition: 0.3s;
}
.source-slider::before {
    content: "";
    position: absolute;
    height: 20px; width: 20px;
    left: 2px; bottom: 2px;
    background: white;
    border-radius: 50%;
    transition: 0.3s;
}
.source-switch input:checked + .source-slider { background: var(--primary); }
.source-switch input:checked + .source-slider::before { transform: translateX(20px); }

.source-add-btn {
    width: 100%;
    padding: 8px;
    border: 1px dashed var(--border);
    border-radius: 8px;
    background: none;
    color: var(--gray);
    font-size: 13px;
    cursor: pointer;
    margin-top: 4px;
}
.source-add-btn:active { background: var(--bg); }

.source-add-group-btn {
    width: 100%;
    padding: 10px;
    border: 1px dashed var(--primary);
    border-radius: 10px;
    background: none;
    color: var(--primary);
    font-size: 14px;
    cursor: pointer;
    margin-top: 8px;
}
.source-add-group-btn:active { background: var(--bg); }

/* ── 骨架屏 ── */
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.skeleton-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 10px;
    box-shadow: var(--shadow);
}

.skeleton-line {
    height: 14px;
    border-radius: 6px;
    background: linear-gradient(90deg, var(--skeleton) 25%, var(--skeleton-shine) 50%, var(--skeleton) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    margin-bottom: 8px;
}

.skeleton-line.short { width: 40%; }
.skeleton-line.medium { width: 70%; }
.skeleton-line.long { width: 100%; }
.skeleton-line.title { height: 18px; width: 90%; margin-bottom: 10px; }

.skeleton-meta {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
}
.skeleton-tag {
    width: 50px;
    height: 18px;
    border-radius: 10px;
    background: linear-gradient(90deg, var(--skeleton) 25%, var(--skeleton-shine) 50%, var(--skeleton) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}
.skeleton-source {
    width: 70px;
    height: 14px;
    border-radius: 6px;
    background: linear-gradient(90deg, var(--skeleton) 25%, var(--skeleton-shine) 50%, var(--skeleton) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* 骨架屏组合 */
.skeleton-news-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 10px;
    box-shadow: var(--shadow);
}
.skeleton-news-card .skeleton-meta {
    margin-bottom: 10px;
}
.skeleton-news-card .skeleton-line.title {
    margin-bottom: 8px;
}
.skeleton-news-card .skeleton-line.short {
    margin-bottom: 0;
}

/* ── Toast 通知 ── */
.toast-container {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
    pointer-events: none;
    max-width: 90%;
}

.toast {
    background: var(--toast-bg);
    color: var(--toast-text);
    padding: 10px 20px;
    border-radius: 24px;
    font-size: 14px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.3s, transform 0.3s;
    white-space: nowrap;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
}
.toast.show {
    opacity: 1;
    transform: translateY(0);
}
.toast.success { background: #2E7D32; color: #fff; }
.toast.error { background: #C62828; color: #fff; }
.toast.info { background: var(--toast-bg); color: var(--toast-text); }

/* ── 无限滚动加载指示器 ── */
.load-more-indicator {
    text-align: center;
    padding: 16px;
    color: var(--light-gray);
    font-size: 13px;
}
.load-more-indicator.spin::after {
    content: "";
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    vertical-align: middle;
    margin-left: 6px;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ── 页面切换动画 ── */
.page {
    animation: fadeIn 0.25s ease;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── 主题切换按钮 ── */
.theme-toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-radius: 10px;
    background: var(--card-bg);
    margin-bottom: 6px;
    box-shadow: var(--shadow);
}
.theme-toggle-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--dark);
}

/* ── PWA 安装提示 ── */
.install-banner {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-width: 480px;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: 20px 20px 0 0;
    box-shadow: 0 -2px 12px rgba(0,0,0,0.15);
    padding: 16px 20px;
    z-index: 300;
    animation: slideUp 0.3s ease;
}
@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}
.install-banner.show { display: flex; align-items: center; gap: 12px; }
.install-banner-text { flex: 1; }
.install-banner-text h4 { font-size: 15px; color: var(--dark); margin-bottom: 2px; }
.install-banner-text p { font-size: 13px; color: var(--gray); }
.install-btn {
    padding: 8px 16px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 20px;
    font-size: 14px;
    cursor: pointer;
    flex-shrink: 0;
}
.install-close {
    background: none;
    border: none;
    color: var(--light-gray);
    font-size: 18px;
    cursor: pointer;
    padding: 4px;
}

/* ── 下拉刷新 ── */
.pull-refresh {
    text-align: center;
    padding: 0;
    height: 0;
    overflow: hidden;
    transition: height 0.2s;
    color: var(--light-gray);
    font-size: 13px;
}
.pull-refresh.visible { height: 40px; line-height: 40px; }
.pull-refresh.spin::after {
    content: "";
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    vertical-align: middle;
    margin-left: 6px;
}

/* ── 语音控制 (V5.0 Sprint 1 + 2) ── */

/* 浮动麦克风按钮 */
.voice-fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: none;
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(26, 115, 232, 0.4);
    cursor: pointer;
    z-index: 150;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s, box-shadow 0.2s;
}
.voice-fab:active {
    transform: scale(0.92);
    box-shadow: 0 2px 6px rgba(26, 115, 232, 0.3);
}
.voice-fab.listening {
    background: #e53935;
    box-shadow: 0 0 0 0 rgba(229, 57, 53, 0.5);
    animation: voice-pulse-btn 1.5s infinite;
}
@keyframes voice-pulse-btn {
    0% { box-shadow: 0 0 0 0 rgba(229, 57, 53, 0.5); }
    70% { box-shadow: 0 0 0 16px rgba(229, 57, 53, 0); }
    100% { box-shadow: 0 0 0 0 rgba(229, 57, 53, 0); }
}

/* 语音覆盖层 */
.voice-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--overlay);
    z-index: 250;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* 语音气泡 */
.voice-bubble {
    max-width: 360px;
    width: 100%;
    background: var(--card-bg);
    border-radius: 24px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    animation: voice-bubble-in 0.25s ease;
}
@keyframes voice-bubble-in {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

/* 脉冲动画（正在聆听） */
.voice-pulse {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: #e53935;
    margin: 0 auto 16px;
    position: relative;
    animation: voice-pulse-ring 1.5s infinite;
}
.voice-pulse::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #fff;
}
@keyframes voice-pulse-ring {
    0% { box-shadow: 0 0 0 0 rgba(229, 57, 53, 0.4); }
    70% { box-shadow: 0 0 0 20px rgba(229, 57, 53, 0); }
    100% { box-shadow: 0 0 0 0 rgba(229, 57, 53, 0); }
}

/* 语音文本样式 */
.voice-hint {
    color: var(--light-gray);
    font-size: 14px;
    margin-top: 8px;
}
.voice-interim {
    font-size: 18px;
    color: var(--gray);
    line-height: 1.6;
    min-height: 28px;
}
.voice-final {
    font-size: 18px;
    color: var(--dark);
    font-weight: 600;
    line-height: 1.6;
}
.voice-processing {
    color: var(--light-gray);
    font-size: 13px;
    margin-top: 8px;
}
.voice-processing::after {
    content: "";
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    vertical-align: middle;
    margin-left: 6px;
}
.voice-result-ok {
    font-size: 20px;
    color: #2E7D32;
    font-weight: 600;
}
.voice-result-unknown {
    font-size: 16px;
    color: var(--light-gray);
}

/* 命令提示文字 */
.voice-cmd-hints {
    color: var(--light-gray);
    font-size: 12px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    line-height: 1.5;
}

/* ── 频道管理 (V5.0 Sprint 4) ── */

/* 分类栏管理按钮 */
.category-manage-btn {
    position: absolute;
    right: 0;
    top: 0;
    background: var(--card-bg);
    border: none;
    border-left: 1px solid var(--border);
    padding: 0 8px;
    height: 100%;
    cursor: pointer;
    color: var(--gray);
    display: flex;
    align-items: center;
    z-index: 10;
}
.category-manage-btn:active { color: var(--primary); }

/* 频道管理覆盖层 */
.channel-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--overlay);
    z-index: 300;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

/* 频道管理面板（底部滑入） */
.channel-panel {
    width: 100%;
    max-width: 600px;
    max-height: 85vh;
    background: var(--card-bg);
    border-radius: 20px 20px 0 0;
    padding: 20px 16px 32px;
    overflow-y: auto;
    animation: channel-slide-up 0.3s ease;
}
@keyframes channel-slide-up {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.channel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}
.channel-header h3 { font-size: 18px; margin: 0; }
.channel-close {
    background: none; border: none; font-size: 20px;
    color: var(--light-gray); cursor: pointer; padding: 4px 8px;
}

.channel-section { margin-bottom: 20px; }
.channel-section-title {
    font-size: 14px; color: var(--gray); margin: 0 0 10px;
    font-weight: 500;
}
.channel-hint {
    font-size: 12px;
    font-weight: 400;
    color: var(--light-gray);
    margin-left: 6px;
}

/* 频道标签网格 */
.channel-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* 频道标签 */
.channel-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.15s;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--dark);
    user-select: none;
    -webkit-user-select: none;
    touch-action: none; /* 防止触摸时滚动 */
}
.channel-tag.active {
    font-weight: 600;
}
.channel-tag .drag-handle {
    font-size: 12px;
    color: var(--light-gray);
    cursor: grab;
    letter-spacing: -3px;
    margin-right: 2px;
    line-height: 1;
}
.channel-tag .drag-handle:active {
    cursor: grabbing;
}
.channel-tag.disabled {
    opacity: 0.5;
    background: transparent;
    border: 1px dashed var(--border);
}
.channel-tag.dragging {
    opacity: 0.5;
    transform: scale(0.95);
}
.channel-tag.drag-over {
    border: 2px dashed var(--primary);
    padding: 7px 13px;
}
.channel-tag-del {
    background: none;
    border: none;
    font-size: 13px;
    color: var(--light-gray);
    cursor: pointer;
    padding: 0 0 0 4px;
    line-height: 1;
}
.channel-tag-del:active { color: #f44336; }

.channel-empty-hint {
    color: var(--light-gray);
    font-size: 13px;
    padding: 8px 0;
}

/* 添加自定义分类 */
.channel-add-row {
    display: flex;
    gap: 8px;
}
.channel-add-input {
    flex: 1;
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--dark);
    font-size: 14px;
    outline: none;
}
.channel-add-input:focus { border-color: var(--primary); }
.channel-add-btn {
    padding: 10px 20px;
    border-radius: 8px;
    border: none;
    background: var(--primary);
    color: #fff;
    font-size: 14px;
    cursor: pointer;
}
.channel-add-btn:active { opacity: 0.8; }

/* AI 智能分类按钮 */
.channel-aiclassify-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 12px 16px;
    border-radius: 10px;
    border: 1px solid var(--primary);
    background: rgba(26, 115, 232, 0.08);
    color: var(--primary);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}
.channel-aiclassify-btn:active {
    background: var(--primary);
    color: #fff;
}
.channel-aiclassify-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}
.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-right: 6px;
    vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* 设置页链接按钮 */
.settings-link-btn {
    display: block;
    width: 100%;
    padding: 14px 16px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--dark);
    font-size: 15px;
    text-align: left;
    cursor: pointer;
    transition: all 0.15s;
}
.settings-link-btn:active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* ── 登录/注册页 ── */
.page-auth {
    display: none;
    min-height: 100vh;
    background: var(--bg);
}
.page-auth.active {
    display: flex;
}
.auth-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 40px 24px;
    max-width: 360px;
    margin: 0 auto;
    width: 100%;
}
.auth-logo {
    text-align: center;
    margin-bottom: 32px;
}
.auth-logo h2 {
    margin-top: 12px;
    font-size: 24px;
    color: var(--dark);
}
.auth-subtitle {
    font-size: 13px;
    color: var(--light-gray);
    margin-top: 4px;
}
.auth-form {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 24px 20px;
    box-shadow: var(--shadow);
}
.auth-field {
    margin-bottom: 16px;
}
.auth-field label {
    display: block;
    font-size: 13px;
    color: var(--gray);
    margin-bottom: 6px;
}
.auth-field input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 15px;
    background: var(--bg);
    color: var(--dark);
    outline: none;
    transition: border-color 0.2s;
}
.auth-field input:focus {
    border-color: var(--primary);
}
.auth-error {
    color: #E53935;
    font-size: 13px;
    margin-bottom: 12px;
    padding: 8px 12px;
    background: rgba(229,57,53,0.08);
    border-radius: 6px;
}
.auth-submit-btn {
    width: 100%;
    padding: 13px;
    border: none;
    border-radius: 8px;
    background: var(--primary);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s;
}
.auth-submit-btn:active {
    opacity: 0.85;
}
.auth-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}
.auth-switch {
    text-align: center;
    margin-top: 16px;
    font-size: 14px;
    color: var(--gray);
}
.auth-switch a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

/* ── 个人中心页 ── */
.page-profile {
    display: none;
}
.page-profile.active {
    display: block;
}
.profile-content {
    padding: 0 0 40px;
}
.profile-header {
    background: var(--card-bg);
    padding: 28px 20px;
    text-align: center;
    border-bottom: 1px solid var(--border);
}
.profile-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    font-size: 28px;
    font-weight: 600;
}
.profile-username {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
}
.profile-subtitle {
    font-size: 13px;
    color: var(--light-gray);
    margin-top: 4px;
}
.profile-stats {
    display: flex;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
}
.profile-stat {
    flex: 1;
    text-align: center;
    padding: 16px 8px;
    border-right: 1px solid var(--border);
}
.profile-stat:last-child {
    border-right: none;
}
.profile-stat-num {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}
.profile-stat-label {
    font-size: 12px;
    color: var(--light-gray);
    margin-top: 2px;
}
.profile-section {
    background: var(--card-bg);
    margin-top: 8px;
}
.profile-section-title {
    padding: 12px 20px 8px;
    font-size: 13px;
    color: var(--light-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.profile-menu-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: background 0.15s;
}
.profile-menu-item:active {
    background: var(--bg);
}
.profile-menu-item:last-child {
    border-bottom: none;
}
.profile-menu-item-label {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--dark);
}
.profile-menu-item-icon {
    width: 20px;
    height: 20px;
    color: var(--gray);
    flex-shrink: 0;
}
.profile-menu-item-arrow {
    color: var(--light-gray);
    font-size: 14px;
}
.profile-logout-btn {
    width: calc(100% - 40px);
    margin: 20px;
    padding: 13px;
    border: 1px solid #E53935;
    border-radius: 8px;
    background: transparent;
    color: #E53935;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}
.profile-logout-btn:active {
    background: #E53935;
    color: #fff;
}
.profile-login-prompt {
    text-align: center;
    padding: 60px 20px;
}
.profile-login-prompt p {
    color: var(--light-gray);
    margin-bottom: 16px;
}
.profile-login-btn {
    display: inline-block;
    padding: 12px 32px;
    border: none;
    border-radius: 8px;
    background: var(--primary);
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
}

/* ── P1: 数据看板卡片 ── */
.profile-dashboard {
    background: var(--card-bg);
    margin-top: 8px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}
.dashboard-row {
    display: flex;
    gap: 12px;
    margin-bottom: 10px;
}
.dashboard-card {
    flex: 1;
    text-align: center;
    padding: 12px 8px;
    border-radius: 8px;
    background: var(--bg);
}
.dashboard-num {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}
.dashboard-label {
    font-size: 12px;
    color: var(--light-gray);
    margin-top: 2px;
}
.dashboard-mini {
    flex: 1;
    text-align: center;
    font-size: 13px;
    color: var(--gray);
    padding: 6px 4px;
}
.dashboard-topcats {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
}
.dashboard-topcats-title {
    display: block;
    font-size: 12px;
    color: var(--light-gray);
    margin-bottom: 6px;
}
.dashboard-tag {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    margin-right: 6px;
    margin-bottom: 4px;
    cursor: pointer;
    transition: opacity 0.15s;
}

/* ── P1: 偏好设置页 ── */
.page-preferences, .page-interest-tags, .page-edit-profile, .page-reading-history {
    display: none;
}
.page-preferences.active, .page-interest-tags.active,
.page-edit-profile.active, .page-reading-history.active {
    display: block;
}
.preferences-content, .interest-tags-content, .edit-profile-content {
    padding: 16px 12px 40px;
}
.pref-hint {
    font-size: 12px;
    color: var(--light-gray);
    margin-bottom: 10px;
}
.pref-radio-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.pref-radio-item {
    display: block;
    padding: 12px 14px;
    border: 2px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.15s;
}
.pref-radio-item.active {
    border-color: var(--primary);
    background: var(--primary-light);
}
.pref-radio-label {
    display: block;
    font-size: 15px;
    font-weight: 500;
    color: var(--dark);
}
.pref-radio-desc {
    display: block;
    font-size: 12px;
    color: var(--light-gray);
    margin-top: 2px;
}

/* ── P1: 兴趣标签页 ── */
.interest-tags-info {
    padding: 8px 4px 16px;
}
.interest-tags-info p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.5;
}
.interest-tags-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 24px;
}
.interest-tag-item {
    padding: 10px 20px;
    border: 2px solid var(--border);
    border-radius: 20px;
    background: var(--card-bg);
    color: var(--dark);
    font-size: 15px;
    cursor: pointer;
    transition: all 0.15s;
}
.interest-tag-item:active {
    transform: scale(0.95);
}
.interest-tags-save-btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 8px;
    background: var(--primary);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}

/* ── P1: 关键词高亮 ── */
.kw-highlight {
    background: rgba(255, 193, 7, 0.3);
    color: inherit;
    border-radius: 2px;
    padding: 0 2px;
}
.keyword-input-row {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}
.keyword-input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    background: var(--bg);
    color: var(--dark);
    outline: none;
}
.keyword-input:focus {
    border-color: var(--primary);
}
.keyword-add-btn {
    padding: 10px 16px;
    border: none;
    border-radius: 8px;
    background: var(--primary);
    color: #fff;
    font-size: 14px;
    cursor: pointer;
    white-space: nowrap;
}
.keyword-list {
    min-height: 20px;
}
.keyword-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px 4px 12px;
    border-radius: 12px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    margin: 4px 6px 4px 0;
}
.keyword-remove {
    border: none;
    background: none;
    color: var(--primary);
    font-size: 14px;
    cursor: pointer;
    padding: 0 2px;
    opacity: 0.6;
}
.pref-tags-preview {
    min-height: 20px;
    margin-bottom: 4px;
}
.pref-tag-chip {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    margin: 0 6px 6px 0;
}
.pref-tags-empty {
    font-size: 13px;
    color: var(--light-gray);
}

/* ── P1: 编辑资料页 ── */
.edit-profile-form {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 20px 16px;
    margin-bottom: 16px;
    box-shadow: var(--shadow);
}
.edit-profile-avatar {
    text-align: center;
    margin-bottom: 20px;
}
.edit-profile-avatar .profile-avatar {
    margin: 0 auto;
}
.edit-bio-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    background: var(--bg);
    color: var(--dark);
    outline: none;
    resize: none;
    font-family: inherit;
}
.edit-bio-input:focus {
    border-color: var(--primary);
}
.edit-profile-divider {
    height: 1px;
    background: var(--border);
    margin: 8px 0;
}
.edit-profile-section-title {
    font-size: 16px;
    color: var(--dark);
    margin-bottom: 16px;
}

/* ── P2: 认证页 — Tab 切换 + 手机验证码 + 微信登录 ── */

.auth-tabs {
    display: flex;
    border-bottom: 2px solid var(--border);
    margin-bottom: 20px;
}
.auth-tab {
    flex: 1;
    padding: 10px 0;
    border: none;
    background: none;
    font-size: 14px;
    color: var(--gray);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: color 0.2s, border-color 0.2s;
}
.auth-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 600;
}
.sms-input-row {
    display: flex;
    gap: 8px;
}
.sms-input-row input {
    flex: 1;
}
.sms-send-btn {
    flex-shrink: 0;
    padding: 12px 14px;
    border: 1px solid var(--primary);
    border-radius: 8px;
    background: rgba(26,115,232,0.08);
    color: var(--primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: opacity 0.15s;
}
.sms-send-btn:active { opacity: 0.75; }
.sms-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.auth-hint {
    font-size: 12px;
    color: var(--primary);
    margin-bottom: 12px;
    padding: 8px 12px;
    background: rgba(26,115,232,0.06);
    border-radius: 6px;
}
.auth-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 24px 0 16px;
    color: var(--light-gray);
    font-size: 12px;
}
.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}
.auth-divider span { padding: 0 12px; }
.auth-third-party {
    display: flex;
    justify-content: center;
    gap: 16px;
}
.auth-third-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 24px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--card-bg);
    color: var(--dark);
    font-size: 14px;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}
.auth-third-btn:active { opacity: 0.8; }
.wechat-btn {
    color: #07C160;
    border-color:rgba(7,193,96,0.3);
}
.wechat-btn:active {
    background: rgba(7,193,96,0.05);
}

/* ── P2: 详情页 — 存入知识库按钮 ── */

.save-kb-btn {
    background: rgba(26,115,232,0.08);
    color: var(--primary);
}
.save-kb-btn:disabled {
    opacity: 0.5;
}

/* ── P2: 首页 — AI 推荐按钮 ── */

.ai-recommend-btn {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    margin: 8px 16px;
    border: 1px solid rgba(26,115,232,0.3);
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(26,115,232,0.06), rgba(103,58,183,0.06));
    color: var(--primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: box-shadow 0.2s, transform 0.1s;
}
.ai-recommend-btn:active {
    transform: scale(0.97);
}
[data-theme="dark"] .ai-recommend-btn {
    color: #64B5F6;
}

/* ── P2: AI 推荐页 ── */

.page-recommend { display: none; }
.page-recommend.active { display: block; }
.recommend-content {
    padding: 0 16px 40px;
}
.recommend-loading {
    text-align: center;
    padding: 60px 0;
    color: var(--light-gray);
}
.recommend-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    margin: 0 auto 16px;
    animation: spin 0.8s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}
.recommend-header {
    padding: 16px 0 12px;
}
.recommend-title {
    font-size: 16px;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 8px;
}
.recommend-ai-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    background: linear-gradient(135deg, #1A73E8, #673AB7);
    color: #fff;
}
.recommend-rule-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    background: var(--border);
    color: var(--gray);
}
.recommend-message {
    font-size: 12px;
    color: var(--light-gray);
    margin-top: 4px;
}
.recommend-profile {
    background: var(--card-bg);
    border-radius: 10px;
    padding: 12px 14px;
    margin-bottom: 16px;
    border-left: 3px solid var(--primary);
}
.recommend-profile-label {
    display: block;
    font-size: 11px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 4px;
}
.recommend-profile-text {
    display: block;
    font-size: 12px;
    color: var(--gray);
    white-space: pre-wrap;
    line-height: 1.6;
}
.recommend-card {
    position: relative;
    overflow: hidden;
}
.recommend-rank {
    position: absolute;
    top: 0;
    left: 0;
    width: 28px;
    height: 28px;
    background: var(--primary);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0 0 8px 0;
    z-index: 1;
}
.recommend-card .news-card-body {
    padding-left: 20px;
}
.recommend-score-badge {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 8px;
    font-size: 11px;
    font-weight: 600;
    background: rgba(255,193,7,0.15);
    color: #F57C00;
    margin-left: 4px;
    vertical-align: middle;
}

/* ── 内容管理页 ── */
.content-mgmt-content {
    padding: 12px 16px 80px;
}
.crawl-section {
    margin-bottom: 24px;
    background: var(--card-bg, #fff);
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.crawl-section-title {
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 12px;
    color: var(--text-primary, #333);
}
.crawl-status-card {
    margin-bottom: 12px;
}
.crawl-status-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}
.crawl-status-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}
.crawl-ok {
    background: rgba(76,175,80,0.15);
    color: #4CAF50;
}
.crawl-running {
    background: rgba(33,150,243,0.15);
    color: #2196F3;
}
.crawl-fail {
    background: rgba(244,67,54,0.15);
    color: #F44336;
}
.crawl-fail-num {
    color: #F44336;
}
.crawl-status-time {
    font-size: 12px;
    color: var(--light-gray, #999);
}
.crawl-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 10px 0;
}
.crawl-stat-item {
    flex: 1;
    min-width: 64px;
    text-align: center;
    background: var(--bg-light, #f5f5f5);
    border-radius: 8px;
    padding: 8px 4px;
}
.crawl-stat-num {
    display: block;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary, #333);
}
.crawl-stat-label {
    display: block;
    font-size: 11px;
    color: var(--light-gray, #999);
    margin-top: 2px;
}
.crawl-hint {
    font-size: 12px;
    color: var(--light-gray, #999);
    text-align: center;
}
.crawl-failed-list {
    margin-top: 8px;
    padding: 8px;
    background: rgba(244,67,54,0.05);
    border-radius: 8px;
}
.crawl-failed-title {
    font-size: 12px;
    color: #F44336;
    margin-bottom: 4px;
}
.crawl-failed-item {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--light-gray, #999);
    padding: 2px 0;
}
.crawl-failed-err {
    color: #F44336;
    max-width: 60%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.crawl-action-btn {
    width: 100%;
    padding: 12px;
    background: var(--primary, #1A73E8);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.2s;
}
.crawl-action-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}
.crawl-secondary-btn {
    background: var(--bg-light, #f0f0f0);
    color: var(--text-primary, #333);
    margin-top: 8px;
}
.crawl-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-right: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* RSS 源列表 */
.rss-group {
    margin-bottom: 12px;
}
.rss-group-header {
    font-size: 13px;
    font-weight: 600;
    color: var(--light-gray, #999);
    margin-bottom: 6px;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border-light, #eee);
}
.rss-feed-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 4px;
    border-bottom: 1px solid var(--border-light, #f0f0f0);
}
.rss-feed-item.rss-disabled {
    opacity: 0.5;
}
.rss-feed-info {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}
.rss-feed-name {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary, #333);
}
.rss-feed-url {
    display: block;
    font-size: 11px;
    color: var(--light-gray, #999);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.rss-feed-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}
.rss-del-btn {
    background: none;
    border: none;
    color: var(--light-gray, #ccc);
    cursor: pointer;
    font-size: 14px;
    padding: 4px;
    border-radius: 4px;
}
.rss-del-btn:active {
    color: #F44336;
}
/* S2/S3: RSS 源编辑 */
.rss-feed-interval {
    display: inline-block;
    font-size: 10px;
    color: var(--light-gray, #999);
    background: var(--border-light, #f5f5f5);
    padding: 1px 6px;
    border-radius: 4px;
    margin-top: 2px;
}
.rss-edit-btn {
    background: none;
    border: none;
    color: var(--light-gray, #999);
    cursor: pointer;
    font-size: 14px;
    padding: 4px;
    border-radius: 4px;
    transition: color .15s;
}
.rss-edit-btn:hover {
    color: var(--primary-blue, #4A90D9);
}
.rss-edit-form {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    width: 100%;
}
.rss-edit-form .rss-input {
    flex: 1;
    min-width: 70px;
    max-width: 160px;
}
.rss-edit-interval {
    width: auto;
    min-width: 80px;
    max-width: 100px;
    padding: 6px 8px;
    border: 1px solid var(--border-light, #ddd);
    border-radius: 8px;
    font-size: 13px;
    background: white;
    cursor: pointer;
}
.rss-edit-btns {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}
.rss-save-btn {
    background: var(--primary-blue, #4A90D9);
    color: white;
    border: none;
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 12px;
    cursor: pointer;
    transition: opacity .15s;
}
.rss-save-btn:hover {
    opacity: 0.85;
}
.rss-cancel-btn {
    background: none;
    color: var(--light-gray, #999);
    border: 1px solid var(--border-light, #ddd);
    padding: 6px 10px;
    border-radius: 8px;
    font-size: 12px;
    cursor: pointer;
}
.rss-cancel-btn:hover {
    color: var(--text-primary, #333);
}
.rss-add-form {
    display: flex;
    gap: 6px;
    margin-top: 10px;
    flex-wrap: wrap;
}
.rss-input {
    flex: 1;
    min-width: 80px;
    padding: 8px 10px;
    border: 1px solid var(--border-light, #ddd);
    border-radius: 8px;
    font-size: 13px;
    background: var(--bg-light, #f9f9f9);
    color: var(--text-primary, #333);
}
.rss-input-url {
    flex: 2;
}
.rss-input-group {
    flex: 1;
    min-width: 60px;
}
.rss-add-btn {
    padding: 8px 16px;
    background: var(--primary, #1A73E8);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    flex-shrink: 0;
}

/* 抓取历史 */
.crawl-logs-table {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.crawl-log-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 4px;
    border-bottom: 1px solid var(--border-light, #f0f0f0);
    font-size: 12px;
}
.crawl-log-badge {
    padding: 2px 6px;
    border-radius: 8px;
    font-size: 10px;
    font-weight: 600;
    flex-shrink: 0;
    min-width: 36px;
    text-align: center;
}
.crawl-log-time {
    color: var(--light-gray, #999);
    font-size: 11px;
    flex: 1;
}
.crawl-log-stat {
    color: var(--text-secondary, #666);
    font-size: 11px;
    white-space: nowrap;
}

/* ── 离线状态指示器 ── */
.offline-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 6px 12px;
    background: #fff3e0;
    color: #e65100;
    font-size: 12px;
    font-weight: 500;
    border-bottom: 1px solid #ffe0b2;
}
[data-theme="dark"] .offline-banner {
    background: #3e2723;
    color: #ffab40;
    border-bottom-color: #5d4037;
}
.offline-banner .offline-icon {
    flex-shrink: 0;
    opacity: 0.8;
}

/* ── 统一加载状态（非列表页面） ── */
.page-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 16px;
    color: var(--light-gray, #999);
}
.page-loading p {
    margin-top: 12px;
    font-size: 14px;
}
.page-loading-spinner {
    width: 28px;
    height: 28px;
    border: 3px solid var(--border-light, #e0e0e0);
    border-top-color: var(--primary, #1A73E8);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

/* ── 统一错误状态（与空状态视觉区分） ── */
.error-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 16px;
    text-align: center;
}
.error-state > p {
    color: #f44336;
    font-size: 14px;
    margin-bottom: 16px;
}
.error-state-retry {
    padding: 8px 28px;
    border: 1px solid var(--primary, #1A73E8);
    border-radius: 8px;
    background: transparent;
    color: var(--primary, #1A73E8);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}
.error-state-retry:active {
    background: var(--primary, #1A73E8);
    color: #fff;
}
[data-theme="dark"] .error-state > p {
    color: #ef5350;
}

/* ── 空状态操作按钮 ── */
.empty-state-action {
    margin-top: 16px;
    padding: 8px 28px;
    border: none;
    border-radius: 8px;
    background: var(--primary, #1A73E8);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}
.empty-state-action:active {
    opacity: 0.85;
}

/* ── P5-2 语义搜索体验 ── */

/* 搜索词高亮 */
.search-highlight {
    background: #FFF3B0;
    color: inherit;
    padding: 0 2px;
    border-radius: 3px;
    font-weight: 600;
}
[data-theme="dark"] .search-highlight {
    background: rgba(255, 215, 0, 0.25);
    color: #FFD700;
}

/* 语义扩展词展示 */
.search-expanded {
    padding: 10px 14px;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: flex-start;
    gap: 8px;
    flex-wrap: wrap;
}
.expanded-label {
    font-size: 12px;
    color: var(--light-gray);
    line-height: 24px;
    white-space: nowrap;
}
.expanded-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.expanded-tag {
    padding: 2px 10px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 12px;
    font-size: 12px;
    line-height: 20px;
}

/* 搜索结果计数 */
.search-count-bar {
    padding: 8px 14px;
    font-size: 13px;
    color: var(--gray);
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}
.search-count-num {
    color: var(--primary);
    font-weight: 700;
}

/* 搜索历史标题栏 + 清除按钮 */
.search-history-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}
.search-history-header h3 {
    font-size: 14px;
    color: var(--gray);
    margin: 0;
}
.clear-history-btn {
    background: none;
    border: none;
    color: var(--light-gray);
    font-size: 13px;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 4px;
    transition: color 0.2s;
}
.clear-history-btn:active {
    color: var(--primary);
}

/* ── P5-3①: 每日早报 — 首页卡片 ── */

.briefing-card {
    margin: 8px 16px 4px;
    padding: 12px 14px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(26,115,232,0.06), rgba(103,58,183,0.06));
    border: 1px solid rgba(26,115,232,0.15);
    cursor: pointer;
    transition: transform 0.1s, box-shadow 0.2s;
}
.briefing-card:active {
    transform: scale(0.98);
}
.briefing-card-top {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
}
.briefing-card-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
}
.briefing-card-date {
    font-size: 12px;
    color: var(--light-gray);
    margin-left: auto;
}
.briefing-card-arrow {
    color: var(--light-gray);
    flex-shrink: 0;
}
.briefing-card-headline {
    font-size: 14px;
    line-height: 1.5;
    color: var(--dark);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
[data-theme="dark"] .briefing-card {
    background: linear-gradient(135deg, rgba(26,115,232,0.12), rgba(103,58,183,0.12));
    border-color: rgba(26,115,232,0.2);
}

/* ── P5-3①: 每日早报 — 详情页 ── */

.page-briefing { display: none; }
.page-briefing.active { display: block; }

.briefing-detail-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    background: var(--card-bg);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}
.briefing-detail-header span {
    flex: 1;
    font-size: 16px;
    font-weight: 600;
}
.briefing-detail-content {
    padding: 0 16px 80px;
}
#briefingRegenBtn .icon {
    transition: transform 0.6s ease;
}
#briefingRegenBtn:active .icon {
    transform: rotate(-180deg);
}
#briefingTtsBtn.playing .icon {
    color: #d32f2f;
}

/* 顶部信息 */
.briefing-meta {
    text-align: center;
    padding: 20px 0 16px;
}
.briefing-meta-date {
    font-size: 22px;
    font-weight: 700;
    color: var(--dark);
}
.briefing-meta-count {
    font-size: 13px;
    color: var(--light-gray);
    margin-top: 4px;
}

/* 分区通用 */
.briefing-section {
    margin-bottom: 24px;
}
.briefing-section-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
    margin: 0 0 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

/* 头条卡片 */
.briefing-headline {
    display: flex;
    gap: 10px;
    padding: 12px 14px;
    margin-bottom: 8px;
    background: var(--card-bg);
    border-radius: 10px;
    border: 1px solid var(--border);
}
.briefing-headline.clickable {
    cursor: pointer;
    transition: background 0.15s;
}
.briefing-headline.clickable:active {
    background: var(--primary-light);
}
.briefing-headline-index {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}
.briefing-headline-body {
    flex: 1;
    min-width: 0;
}
.briefing-headline-title {
    font-size: 15px;
    font-weight: 500;
    line-height: 1.5;
    color: var(--dark);
    margin-bottom: 4px;
}
.briefing-headline-summary {
    font-size: 13px;
    line-height: 1.5;
    color: var(--gray);
}

/* 分类概览 */
.briefing-category {
    padding: 10px 14px;
    margin-bottom: 8px;
    background: var(--card-bg);
    border-radius: 10px;
    border: 1px solid var(--border);
}
.briefing-cat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4px;
}
.briefing-cat-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--dark);
}
.briefing-cat-count {
    font-size: 12px;
    color: var(--light-gray);
    background: var(--border);
    padding: 2px 8px;
    border-radius: 10px;
}
.briefing-cat-summary {
    font-size: 13px;
    line-height: 1.5;
    color: var(--gray);
}

/* 趋势洞察 */
.briefing-insight {
    padding: 14px 16px;
    background: linear-gradient(135deg, rgba(26,115,232,0.06), rgba(103,58,183,0.06));
    border-radius: 10px;
    border-left: 3px solid var(--primary);
    font-size: 14px;
    line-height: 1.7;
    color: var(--dark);
}
[data-theme="dark"] .briefing-insight {
    background: linear-gradient(135deg, rgba(26,115,232,0.12), rgba(103,58,183,0.12));
}

/* ── P5-3②: AI 兴趣推荐 ── */

.inferred-tags-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 10px;
}
.inferred-tag-chip {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 13px;
    font-weight: 500;
    background: linear-gradient(135deg, rgba(26,115,232,0.1), rgba(103,58,183,0.1));
    color: var(--primary);
    border: 1px solid rgba(26,115,232,0.2);
}
[data-theme="dark"] .inferred-tag-chip {
    background: rgba(26,115,232,0.15);
    color: #8AB4F8;
}
.inferred-analysis {
    font-size: 13px;
    line-height: 1.6;
    color: var(--gray);
    margin: 8px 0;
}
.inferred-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 8px 0;
    font-size: 12px;
}
.inferred-confidence {
    color: var(--primary);
    font-weight: 500;
}
.inferred-stats {
    color: var(--light-gray);
}
.inferred-time {
    color: var(--light-gray);
    margin-left: auto;
}
.inferred-actions {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}
.inferred-apply-btn {
    padding: 6px 16px;
    border-radius: 8px;
    border: none;
    background: var(--primary);
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: opacity 0.2s;
}
.inferred-apply-btn:active {
    opacity: 0.8;
}

/* ── P5-3③: AI 对话页 ── */

.page-chat { display: none; }
.page-chat.active { display: flex; flex-direction: column; height: calc(100vh - 108px); }

.chat-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    background: var(--card-bg);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}
.chat-header span {
    flex: 1;
    font-size: 16px;
    font-weight: 600;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px 12px 8px;
    background: var(--bg);
}

.chat-welcome {
    text-align: center;
    padding: 40px 20px 20px;
}
.chat-welcome p {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}
.chat-welcome-hint {
    font-size: 13px !important;
    font-weight: 400 !important;
    color: var(--light-gray) !important;
}

.chat-sessions {
    margin-top: 24px;
}
.chat-sessions-title {
    font-size: 13px;
    color: var(--light-gray);
    margin: 0 0 8px;
}
.chat-session-item {
    padding: 10px 14px;
    margin-bottom: 6px;
    background: var(--card-bg);
    border-radius: 10px;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: background 0.15s;
}
.chat-session-item:active {
    background: var(--primary-light);
}
.chat-session-title {
    font-size: 14px;
    color: var(--dark);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.chat-session-meta {
    font-size: 12px;
    color: var(--light-gray);
    margin-top: 2px;
}

.chat-input-bar {
    display: flex;
    gap: 8px;
    padding: 10px 12px;
    background: var(--card-bg);
    border-top: 1px solid var(--border);
    position: sticky;
    bottom: 0;
    z-index: 100;
}
.chat-input {
    flex: 1;
    padding: 10px 14px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--dark);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}
.chat-input:focus {
    border-color: var(--primary);
}
.chat-send-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: opacity 0.2s;
}
.chat-send-btn:active {
    opacity: 0.8;
}
.chat-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.chat-send-btn svg {
    width: 20px;
    height: 20px;
}

/* 对话气泡 */
.chat-bubble-row {
    display: flex;
    margin-bottom: 12px;
}
.chat-bubble-user {
    justify-content: flex-end;
}
.chat-bubble-ai {
    justify-content: flex-start;
}
.chat-bubble {
    max-width: 80%;
    padding: 10px 14px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.6;
    word-break: break-word;
}
.chat-bubble.user {
    background: var(--primary);
    color: #fff;
    border-bottom-right-radius: 4px;
}
.chat-bubble.assistant {
    background: var(--card-bg);
    color: var(--dark);
    border: 1px solid var(--border);
    border-bottom-left-radius: 4px;
}
.chat-bubble-text {
    white-space: pre-wrap;
}
.chat-bubble.assistant .chat-bubble-text:empty::before {
    content: '';
}

/* ════════════════════════════════════════════
   每日英语频道
   ════════════════════════════════════════════ */

/* 水平选择横幅 */
.en-level-banner {
    padding: 16px;
    background: linear-gradient(135deg, #E8F0FE 0%, #F3E8FF 100%);
    border-radius: 12px;
    margin: 12px;
    text-align: center;
}
.en-level-banner p {
    font-size: 14px;
    color: var(--dark);
    margin-bottom: 10px;
    font-weight: 600;
}
.en-level-choices {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
}
.en-level-btn {
    padding: 6px 16px;
    border: 1px solid var(--primary);
    border-radius: 20px;
    background: white;
    color: var(--primary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}
.en-level-btn:hover {
    background: var(--primary);
    color: white;
}

/* 精选卡片 */
.en-featured {
    padding: 0 12px;
}
.en-featured-card {
    position: relative;
    background: linear-gradient(135deg, var(--primary) 0%, #6C5CE7 100%);
    border-radius: 12px;
    padding: 24px 20px 16px;
    color: white;
    cursor: pointer;
    transition: transform 0.2s;
}
.en-featured-card:hover {
    transform: scale(1.01);
}
.en-featured-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(255,255,255,0.2);
    color: white;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.en-featured-title {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 8px;
}
.en-featured-meta {
    font-size: 12px;
    opacity: 0.8;
    margin-bottom: 8px;
}
.en-featured-summary {
    font-size: 13px;
    opacity: 0.9;
    line-height: 1.5;
}

/* 分类 Tab */
.en-category-bar {
    display: flex;
    gap: 6px;
    padding: 12px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.en-category-bar::-webkit-scrollbar {
    display: none;
}
.en-cat-btn {
    padding: 6px 14px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--card-bg);
    color: var(--text-secondary);
    font-size: 13px;
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.2s;
}
.en-cat-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}
.en-cat-btn:hover:not(.active) {
    border-color: var(--primary);
    color: var(--primary);
}

/* 文章卡片 */
.en-article-list {
    padding: 0 12px;
}
.en-article-card {
    background: var(--card-bg);
    border-radius: 10px;
    padding: 14px 16px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: box-shadow 0.2s;
    border: 1px solid var(--border);
}
.en-article-card:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.en-article-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
    line-height: 1.5;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.en-article-meta {
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 12px;
    color: var(--light-gray);
    margin-bottom: 6px;
}
.en-article-source {
    color: var(--primary);
    font-weight: 500;
}
.en-article-cat {
    background: var(--bg);
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 11px;
}
.en-article-summary {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.en-article-badges {
    display: flex;
    gap: 6px;
    margin-top: 8px;
}
.en-badge {
    font-size: 11px;
    padding: 1px 6px;
    border-radius: 4px;
}
.en-badge-pending {
    background: #FFF3E0;
    color: #E65100;
}
.en-badge-done {
    background: #E8F5E9;
    color: #2E7D32;
}
.en-badge-featured {
    background: #E8F0FE;
    color: #1A73E8;
}

/* 加载更多 */
.en-load-more {
    text-align: center;
    padding: 16px;
}
.en-load-more button {
    padding: 8px 24px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--card-bg);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}
.en-load-more button:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* 文章详情 */
.en-detail-header-info {
    padding: 16px;
}
.en-detail-title {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.5;
    color: var(--dark);
    margin-bottom: 6px;
}
.en-detail-title-cn {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}
.en-detail-meta {
    display: flex;
    gap: 10px;
    font-size: 12px;
    color: var(--light-gray);
}

/* 难度 Tab */
.en-level-tabs {
    display: flex;
    gap: 0;
    padding: 0 16px;
    border-bottom: 1px solid var(--border);
}
.en-level-tab {
    padding: 8px 14px;
    font-size: 13px;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
}
.en-level-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 600;
}

/* 正文 */
.en-detail-body {
    padding: 16px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--dark);
}
.en-detail-body p {
    margin-bottom: 16px;
}

/* 底部 */
.en-detail-footer {
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border);
}
.en-original-link {
    color: var(--primary);
    font-size: 13px;
    text-decoration: none;
}
.en-original-link:hover {
    text-decoration: underline;
}
.en-detail-status {
    font-size: 12px;
    color: var(--light-gray);
}

/* 深色模式适配 */
[data-theme="dark"] .en-level-banner {
    background: linear-gradient(135deg, #1A237E 0%, #4A148C 100%);
}
[data-theme="dark"] .en-featured-card {
    background: linear-gradient(135deg, #1565C0 0%, #7B1FA2 100%);
}
[data-theme="dark"] .en-level-btn {
    background: transparent;
    border-color: #64B5F6;
    color: #64B5F6;
}
[data-theme="dark"] .en-level-btn:hover {
    background: #64B5F6;
    color: #1A1A2E;
}
[data-theme="dark"] .en-badge-pending {
    background: #3E2723;
    color: #FFB74D;
}
[data-theme="dark"] .en-badge-done {
    background: #1B5E20;
    color: #A5D6A7;
}
[data-theme="dark"] .en-badge-featured {
    background: #0D47A1;
    color: #90CAF9;
}
[data-theme="dark"] .en-article-cat {
    background: var(--bg);
}

/* ═══ P1-B: 详情页增强 ═══ */

/* CEFR 徽章 */
.en-cefr-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    padding: 1px 7px;
    border-radius: 10px;
    background: #E8F0FE;
    color: #1A73E8;
    vertical-align: middle;
}
[data-theme="dark"] .en-cefr-badge {
    background: #0D47A1;
    color: #90CAF9;
}

/* Tab 内 CEFR 小标签 */
.en-tab-cefr {
    display: block;
    font-size: 10px;
    color: var(--primary);
    font-weight: 400;
    line-height: 1;
    margin-top: 1px;
}
.en-tab-na {
    display: block;
    font-size: 10px;
    color: var(--light-gray);
    font-weight: 400;
    line-height: 1;
    margin-top: 1px;
}

/* 分级状态横幅 */
.en-grading-banner {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    font-size: 13px;
    border-bottom: 1px solid var(--border);
}
.en-grading-pending {
    background: #FFF8E1;
    color: #F57F17;
}
.en-grading-processing {
    background: #E8F0FE;
    color: #1A73E8;
}
.en-grading-failed {
    background: #FFEBEE;
    color: #C62828;
}
[data-theme="dark"] .en-grading-pending {
    background: #3E2723;
    color: #FFB74D;
}
[data-theme="dark"] .en-grading-processing {
    background: #0D47A1;
    color: #90CAF9;
}
[data-theme="dark"] .en-grading-failed {
    background: #3E2723;
    color: #EF9A9A;
}

/* 分级按钮 */
.en-grade-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border: 1px solid var(--primary);
    border-radius: 16px;
    background: var(--primary);
    color: #fff;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}
.en-grade-btn:hover {
    background: #1565C0;
}
.en-retry-btn {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border: 1px solid #C62828;
    border-radius: 12px;
    background: transparent;
    color: #C62828;
    font-size: 12px;
    cursor: pointer;
}

/* 旋转动画（分级进行中） */
.en-grading-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid #90CAF9;
    border-top: 2px solid #1A73E8;
    border-radius: 50%;
    animation: en-spin 0.8s linear infinite;
}
@keyframes en-spin {
    to { transform: rotate(360deg); }
}

/* 对照模式切换条 */
.en-compare-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
}
.en-compare-toggle {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}
.en-compare-toggle:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.en-compare-toggle.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.en-current-level {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    padding: 2px 8px;
    background: #E8F0FE;
    border-radius: 10px;
}
[data-theme="dark"] .en-current-level {
    background: #0D47A1;
    color: #90CAF9;
}

/* 正文区（含对照） */
.en-detail-body-wrap {
    position: relative;
}
.en-detail-body-wrap.en-compare-active {
    display: flex;
    border-bottom: 1px solid var(--border);
}
.en-detail-body-wrap.en-compare-active .en-detail-body {
    flex: 1;
    border-right: 1px solid var(--border);
}
.en-detail-compare {
    display: none;
    flex: 1;
    padding: 16px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-secondary);
    position: relative;
    background: var(--bg);
}
.en-detail-body-wrap.en-compare-active .en-detail-compare {
    display: block;
}
.en-compare-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}
.en-detail-compare p {
    margin-bottom: 16px;
    opacity: 0.7;
}

/* 版本不可用提示 */
.en-level-na {
    text-align: center;
    padding: 40px 16px;
    color: var(--text-secondary);
}
.en-level-na p {
    margin-bottom: 16px;
}

/* 底部状态增强 */
.en-status-done {
    color: #2E7D32;
    font-weight: 600;
}
.en-status-processing {
    color: #1A73E8;
    animation: en-pulse 1.5s ease-in-out infinite;
}
.en-status-pending {
    color: var(--light-gray);
}
@keyframes en-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}
[data-theme="dark"] .en-status-done {
    color: #A5D6A7;
}

/* processing badge */
.en-badge-processing {
    background: #E8F0FE;
    color: #1A73E8;
}
[data-theme="dark"] .en-badge-processing {
    background: #0D47A1;
    color: #90CAF9;
}

/* ═══ P1-C: 解析侧栏 ═══ */

/* 详情页布局 */
.en-detail-layout {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 56px);
    overflow: hidden;
}
.en-detail-layout.en-sidebar-active {
    flex-direction: row;
}
.en-detail-layout .en-detail-content {
    flex: 1;
    overflow-y: auto;
}

/* 解析侧栏 */
.en-analysis-sidebar {
    display: none;
    width: 320px;
    min-width: 280px;
    max-height: calc(100vh - 56px);
    overflow-y: auto;
    border-left: 1px solid var(--border);
    background: var(--bg);
    padding: 12px;
}
.en-detail-layout.en-sidebar-active .en-analysis-sidebar {
    display: block;
}

@media (max-width: 768px) {
    .en-detail-layout.en-sidebar-active {
        flex-direction: column;
    }
    .en-analysis-sidebar {
        width: 100%;
        max-height: 50vh;
        border-left: none;
        border-top: 1px solid var(--border);
    }
}

/* 解析加载/空状态 */
.en-analysis-loading,
.en-analysis-empty {
    text-align: center;
    padding: 24px 12px;
    color: var(--text-secondary);
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.en-analysis-trigger-btn {
    display: block;
    margin: 12px auto 0;
    padding: 6px 16px;
    border: 1px solid var(--primary);
    border-radius: 16px;
    background: var(--primary);
    color: #fff;
    font-size: 13px;
    cursor: pointer;
}

/* 解析区段 */
.en-analysis-section {
    margin-bottom: 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}
.en-analysis-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: var(--card-bg);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    color: var(--dark);
    user-select: none;
}
.en-analysis-section-header:hover {
    background: var(--bg);
}
.en-analysis-count {
    font-size: 11px;
    padding: 1px 6px;
    border-radius: 10px;
    background: #E8F0FE;
    color: #1A73E8;
    font-weight: 400;
}
[data-theme="dark"] .en-analysis-count {
    background: #0D47A1;
    color: #90CAF9;
}
.en-analysis-section-body {
    padding: 8px;
}

/* 词汇项 */
.en-vocab-item {
    padding: 8px;
    margin-bottom: 6px;
    border-radius: 6px;
    background: var(--card-bg);
    font-size: 13px;
}
.en-vocab-item:last-child {
    margin-bottom: 0;
}
.en-vocab-word {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 4px;
}
.en-vocab-term {
    font-weight: 600;
    color: var(--dark);
}
.en-vocab-pos {
    font-size: 11px;
    color: var(--text-secondary);
    font-style: italic;
}
.en-vocab-cefr {
    font-size: 10px;
    padding: 0 5px;
    border-radius: 8px;
    background: #E8F0FE;
    color: #1A73E8;
}
[data-theme="dark"] .en-vocab-cefr {
    background: #0D47A1;
    color: #90CAF9;
}
.en-vocab-meaning {
    color: var(--dark);
    margin-bottom: 4px;
}
.en-vocab-example {
    font-size: 12px;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 4px;
    padding-left: 8px;
    border-left: 2px solid var(--primary);
}
.en-vocab-cn {
    font-size: 12px;
    color: var(--text-secondary);
}

/* 长难句 */
.en-sentence-original {
    font-size: 13px;
    color: var(--dark);
    margin-bottom: 4px;
    line-height: 1.6;
}
.en-sentence-structure {
    font-size: 12px;
    color: var(--primary);
    margin-bottom: 4px;
}

/* 侧栏按钮 active 状态 */
#enAnalysisToggle.active {
    color: var(--primary);
    background: #E8F0FE;
    border-radius: 50%;
}
[data-theme="dark"] #enAnalysisToggle.active {
    background: #0D47A1;
    color: #90CAF9;
}

/* ═══ P2-A: TTS 语音播放器 ═══ */

.en-tts-player {
    margin: 12px 0;
    padding: 10px 14px;
    border-radius: 10px;
    background: var(--card-bg);
    border: 1px solid var(--border);
}
.en-tts-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}
.en-tts-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
}
.en-tts-speed-switch {
    display: flex;
    gap: 4px;
    background: var(--bg);
    border-radius: 8px;
    padding: 2px;
}
.en-tts-speed-btn {
    padding: 4px 12px;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.15s;
}
.en-tts-speed-btn.active {
    background: var(--primary);
    color: #fff;
    font-weight: 500;
}
.en-tts-speed-btn:not(.active):hover {
    background: var(--border);
    color: var(--dark);
}
.en-tts-content {
    min-height: 40px;
    display: flex;
    align-items: center;
}
.en-tts-audio {
    width: 100%;
    height: 36px;
    border-radius: 6px;
    outline: none;
}
.en-tts-audio::-webkit-media-controls-panel {
    background: #f5f5f5;
}
.en-tts-info {
    font-size: 12px;
    color: var(--text-secondary);
    margin-left: 8px;
}
.en-tts-generate-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid var(--primary);
    border-radius: 8px;
    background: transparent;
    color: var(--primary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s;
}
.en-tts-generate-btn:hover {
    background: var(--primary);
    color: #fff;
}
.en-tts-generating {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 13px;
}
.en-tts-error {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #d32f2f;
    font-size: 13px;
}
.en-tts-retry-btn {
    padding: 4px 10px;
    border: 1px solid #d32f2f;
    border-radius: 6px;
    background: transparent;
    color: #d32f2f;
    font-size: 12px;
    cursor: pointer;
}
.en-tts-retry-btn:hover {
    background: #d32f2f;
    color: #fff;
}

/* 暗色模式 */
[data-theme="dark"] .en-tts-player {
    background: #1e1e1e;
    border-color: rgba(255, 255, 255, 0.1);
}
[data-theme="dark"] .en-tts-label {
    color: #e0e0e0;
}
[data-theme="dark"] .en-tts-speed-switch {
    background: #2a2a2a;
}
[data-theme="dark"] .en-tts-speed-btn:not(.active) {
    color: #aaa;
}
[data-theme="dark"] .en-tts-speed-btn:not(.active):hover {
    background: #333;
}
[data-theme="dark"] .en-tts-generate-btn {
    border-color: #4a9eff;
    color: #4a9eff;
}
[data-theme="dark"] .en-tts-generate-btn:hover {
    background: #1A73E8;
    color: #fff;
}
[data-theme="dark"] .en-tts-audio::-webkit-media-controls-panel {
    background: #2a2a2a;
}
[data-theme="dark"] .en-tts-error {
    color: #ef5350;
}
[data-theme="dark"] .en-tts-retry-btn {
    border-color: #ef5350;
    color: #ef5350;
}

/* 移动端 */
@media (max-width: 768px) {
    .en-tts-player {
        padding: 8px 12px;
    }
    .en-tts-header {
        flex-wrap: wrap;
        gap: 6px;
    }
    .en-tts-speed-btn {
        padding: 3px 10px;
        font-size: 11px;
    }
}

/* ═══ P1-D: 划选查词弹窗 + 解析侧栏收藏 ═══ */

/* ── 查词弹窗 ── */
.en-lookup-popup {
    position: fixed;
    z-index: 10000;
    width: 280px;
    max-width: calc(100vw - 16px);
    max-height: 400px;
    overflow-y: auto;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15), 0 1px 4px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.08);
    opacity: 0;
    transform: scale(0.95) translateY(-4px);
    transition: opacity 0.15s ease, transform 0.15s ease;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}
.en-lookup-popup.en-popup-visible {
    opacity: 1;
    transform: scale(1) translateY(0);
}

/* 弹窗指针箭头 */
.en-lookup-popup::before {
    content: '';
    position: absolute;
    bottom: -7px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background: #fff;
    border-right: 1px solid rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}
.en-lookup-popup.en-popup-below::before {
    bottom: auto;
    top: -7px;
    border-right: none;
    border-bottom: none;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    border-left: 1px solid rgba(0, 0, 0, 0.08);
}

/* 弹窗头部 */
.en-popup-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px 6px;
    flex-wrap: wrap;
}
.en-popup-word {
    font-size: 16px;
    font-weight: 700;
    color: #1a1a1a;
}
.en-popup-pos {
    font-size: 12px;
    color: #666;
    font-style: italic;
}
.en-popup-cefr {
    font-size: 10px;
    padding: 1px 6px;
    border-radius: 8px;
    background: #E8F0FE;
    color: #1A73E8;
    font-weight: 500;
}
.en-popup-type-label {
    font-size: 12px;
    font-weight: 600;
    color: #1A73E8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.en-popup-close {
    margin-left: auto;
    background: none;
    border: none;
    font-size: 20px;
    line-height: 1;
    color: #999;
    cursor: pointer;
    padding: 0 4px;
    border-radius: 4px;
    transition: color 0.15s, background 0.15s;
}
.en-popup-close:hover {
    color: #333;
    background: #f0f0f0;
}

/* 弹窗内容区 */
.en-popup-body {
    padding: 4px 14px 10px;
}
.en-popup-meaning {
    font-size: 13px;
    color: #333;
    line-height: 1.5;
    margin-bottom: 6px;
}
.en-popup-example {
    font-size: 12px;
    color: #666;
    font-style: italic;
    line-height: 1.5;
    padding: 4px 8px;
    border-left: 3px solid #1A73E8;
    background: #f8f9fa;
    border-radius: 0 4px 4px 0;
    margin-bottom: 6px;
}
.en-popup-cn {
    font-size: 12px;
    color: #555;
    line-height: 1.5;
}
.en-popup-sentence {
    font-size: 13px;
    color: #1a1a1a;
    line-height: 1.6;
    margin-bottom: 6px;
}
.en-popup-structure {
    font-size: 12px;
    color: #1A73E8;
    line-height: 1.5;
    margin-bottom: 4px;
    font-weight: 500;
}
.en-popup-grammar {
    font-size: 11px;
    color: #666;
    margin-bottom: 4px;
    padding: 3px 6px;
    background: #f0f4f8;
    border-radius: 4px;
}
.en-popup-not-found {
    font-size: 12px;
    color: #999;
    line-height: 1.5;
    padding: 4px 0;
}

/* 弹窗收藏按钮 */
.en-popup-save {
    display: block;
    width: calc(100% - 24px);
    margin: 0 12px 12px;
    padding: 8px;
    border: none;
    border-radius: 8px;
    background: #1A73E8;
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, transform 0.1s;
}
.en-popup-save:hover {
    background: #1557B0;
}
.en-popup-save:active {
    transform: scale(0.97);
}
.en-popup-save.saved {
    background: #4CAF50;
    cursor: default;
}
.en-popup-save.saved:hover {
    background: #4CAF50;
}

/* ── 解析侧栏收藏按钮 ── */
.en-save-card-btn {
    margin-left: auto;
    background: none;
    border: none;
    padding: 2px;
    border-radius: 4px;
    cursor: pointer;
    color: #999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s, background 0.15s;
    flex-shrink: 0;
}
.en-save-card-btn:hover {
    color: #1A73E8;
    background: #E8F0FE;
}
.en-save-card-btn.saved {
    color: #4CAF50;
}
.en-save-card-btn.saved:hover {
    color: #4CAF50;
    background: #E8F5E9;
}

/* ── 解析区段折叠动画 ── */
.en-analysis-section-body {
    transition: max-height 0.25s ease, opacity 0.2s ease;
    max-height: 2000px;
    opacity: 1;
    overflow: hidden;
}
.en-analysis-section-body.collapsed {
    max-height: 0;
    opacity: 0;
    padding: 0;
}
.en-analysis-section-header {
    transition: background 0.15s;
}
.en-analysis-section-header::after {
    content: '▾';
    font-size: 10px;
    color: var(--text-secondary);
    transition: transform 0.25s ease;
    margin-left: 4px;
}
.en-analysis-section-header.section-collapsed::after {
    transform: rotate(-90deg);
}

/* ── 长难句语法标注 ── */
.en-sentence-grammar {
    font-size: 11px;
    color: var(--text-secondary);
    padding: 3px 6px;
    background: var(--bg);
    border-radius: 4px;
    margin-bottom: 4px;
}

/* ── 暗色模式 ── */
[data-theme="dark"] .en-lookup-popup {
    background: #1e1e1e;
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}
[data-theme="dark"] .en-lookup-popup::before {
    background: #1e1e1e;
    border-color: rgba(255, 255, 255, 0.1);
}
[data-theme="dark"] .en-popup-word {
    color: #e0e0e0;
}
[data-theme="dark"] .en-popup-pos {
    color: #aaa;
}
[data-theme="dark"] .en-popup-close {
    color: #777;
}
[data-theme="dark"] .en-popup-close:hover {
    color: #ddd;
    background: #333;
}
[data-theme="dark"] .en-popup-meaning {
    color: #ccc;
}
[data-theme="dark"] .en-popup-example {
    color: #aaa;
    background: #2a2a2a;
    border-left-color: #4a9eff;
}
[data-theme="dark"] .en-popup-cn {
    color: #aaa;
}
[data-theme="dark"] .en-popup-sentence {
    color: #e0e0e0;
}
[data-theme="dark"] .en-popup-grammar {
    color: #aaa;
    background: #2a2a2a;
}
[data-theme="dark"] .en-popup-not-found {
    color: #777;
}
[data-theme="dark"] .en-popup-save {
    background: #1A73E8;
}
[data-theme="dark"] .en-popup-save:hover {
    background: #1557B0;
}
[data-theme="dark"] .en-popup-save.saved {
    background: #2E7D32;
}
[data-theme="dark"] .en-save-card-btn {
    color: #777;
}
[data-theme="dark"] .en-save-card-btn:hover {
    color: #4a9eff;
    background: #0D47A1;
}
[data-theme="dark"] .en-save-card-btn.saved {
    color: #4CAF50;
}
[data-theme="dark"] .en-save-card-btn.saved:hover {
    background: #1B5E20;
}
[data-theme="dark"] .en-sentence-grammar {
    background: #2a2a2a;
    color: #aaa;
}

/* ── 移动端弹窗适配 ── */
@media (max-width: 768px) {
    .en-lookup-popup {
        width: calc(100vw - 32px);
        max-width: 320px;
    }
    .en-popup-word {
        font-size: 15px;
    }
    .en-popup-body {
        font-size: 13px;
    }
}

/* ═══ P1-E: 水平自适应横幅 ═══ */

.en-adapt-banner {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    margin: 8px 0;
    border-radius: 10px;
    font-size: 13px;
    animation: enAdaptSlideIn 0.3s ease;
}
.en-adapt-banner.upgrade {
    background: linear-gradient(135deg, #E8F5E9, #C8E6C9);
    border: 1px solid #4CAF50;
    color: #2E7D32;
}
.en-adapt-banner.downgrade {
    background: linear-gradient(135deg, #FFF3E0, #FFE0B2);
    border: 1px solid #FF9800;
    color: #E65100;
}
.en-adapt-icon {
    font-size: 20px;
    font-weight: 700;
    flex-shrink: 0;
}
.en-adapt-text {
    flex: 1;
    line-height: 1.4;
}
.en-adapt-action {
    padding: 4px 12px;
    border: none;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
    transition: opacity 0.15s, transform 0.1s;
}
.en-adapt-banner.upgrade .en-adapt-action {
    background: #4CAF50;
    color: #fff;
}
.en-adapt-banner.downgrade .en-adapt-action {
    background: #FF9800;
    color: #fff;
}
.en-adapt-action:hover {
    opacity: 0.85;
}
.en-adapt-action:active {
    transform: scale(0.95);
}
.en-adapt-dismiss {
    background: none;
    border: none;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    color: inherit;
    opacity: 0.6;
    padding: 0 4px;
    flex-shrink: 0;
}
.en-adapt-dismiss:hover {
    opacity: 1;
}

@keyframes enAdaptSlideIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 暗色模式 */
[data-theme="dark"] .en-adapt-banner.upgrade {
    background: linear-gradient(135deg, #1B5E20, #2E7D32);
    border-color: #4CAF50;
    color: #A5D6A7;
}
[data-theme="dark"] .en-adapt-banner.downgrade {
    background: linear-gradient(135deg, #E65100, #BF360C);
    border-color: #FF9800;
    color: #FFCC80;
}
[data-theme="dark"] .en-adapt-banner.upgrade .en-adapt-action {
    background: #2E7D32;
}
[data-theme="dark"] .en-adapt-banner.downgrade .en-adapt-action {
    background: #E65100;
}

/* 移动端 */
@media (max-width: 768px) {
    .en-adapt-banner {
        flex-wrap: wrap;
        padding: 8px 12px;
    }
    .en-adapt-text {
        font-size: 12px;
    }
}

/* ═══ P2-C/D: 学习卡片页 + 复习模式 ═══ */

/* ── 卡片入口（英语首页） ── */
.en-cards-entry {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    margin: 8px 0;
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: box-shadow 0.15s, transform 0.1s;
}
.en-cards-entry:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.en-cards-entry:active {
    transform: scale(0.98);
}
.en-cards-entry-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, #E8F0FE, #D2E3FC);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--primary);
}
[data-theme="dark"] .en-cards-entry-icon {
    background: linear-gradient(135deg, #1a2a3e, #0d1b2a);
}
.en-cards-entry-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.en-cards-entry-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
}
.en-cards-entry-count {
    font-size: 12px;
    color: var(--light-gray);
}
.en-cards-entry .icon {
    color: var(--light-gray);
    flex-shrink: 0;
}

/* ── 卡片页容器 ── */
.en-cards-container {
    padding: 12px 16px;
    padding-bottom: 80px;
}

/* ── 今日复习入口 ── */
.en-cards-review-entry {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    margin-bottom: 12px;
    background: linear-gradient(135deg, #E3F2FD, #BBDEFB);
    border-radius: 12px;
    cursor: pointer;
    transition: box-shadow 0.15s, transform 0.1s;
}
.en-cards-review-entry:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.en-cards-review-entry:active {
    transform: scale(0.98);
}
.en-review-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
}
.en-review-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.en-review-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
}
.en-review-count {
    font-size: 12px;
    color: var(--gray);
}
.en-cards-review-entry .icon {
    color: var(--light-gray);
    flex-shrink: 0;
}
[data-theme="dark"] .en-cards-review-entry {
    background: linear-gradient(135deg, #0d2137, #1a2a3e);
}

/* ── 卡片统计条 ── */
.en-cards-stats {
    display: flex;
    gap: 8px;
    margin-bottom: 14px;
}
.en-stat-item {
    flex: 1;
    text-align: center;
    padding: 10px 4px;
    background: var(--card-bg);
    border-radius: 10px;
    border: 1px solid var(--border);
}
.en-stat-num {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.2;
}
.en-stat-label {
    display: block;
    font-size: 11px;
    color: var(--light-gray);
    margin-top: 2px;
}

/* ── 分类筛选 Tab ── */
.en-card-filter-bar {
    display: flex;
    gap: 6px;
    margin-bottom: 14px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.en-card-filter-bar::-webkit-scrollbar {
    display: none;
}
.en-card-filter {
    padding: 6px 14px;
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 13px;
    color: var(--gray);
    background: var(--card-bg);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s;
}
.en-card-filter.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.en-card-filter:not(.active):hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* ── 卡片列表 ── */
.en-cards-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.en-card-item {
    padding: 12px 14px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    transition: box-shadow 0.15s;
}
.en-card-item:hover {
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}
.en-card-front {
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 4px;
    line-height: 1.4;
}
.en-card-back-preview {
    font-size: 13px;
    color: var(--gray);
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.en-card-meta {
    display: flex;
    align-items: center;
    gap: 6px;
}
.en-card-type-badge {
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
}
.en-card-type-vocabulary {
    background: #E8F0FE;
    color: #1A73E8;
}
.en-card-type-collocation {
    background: #F3E8FD;
    color: #9334E6;
}
.en-card-type-sentence {
    background: #E6F4EA;
    color: #1E8E3E;
}
.en-card-type-culture {
    background: #FEF7E0;
    color: #E37400;
}
.en-card-box-badge {
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    background: var(--bg);
    color: var(--gray);
}
.en-card-delete {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--light-gray);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: color 0.15s, background 0.15s;
}
.en-card-delete:hover {
    color: #D93025;
    background: #FDE7E0;
}
[data-theme="dark"] .en-card-delete:hover {
    background: #3B1C1C;
}

/* ── 复习模式进度条 ── */
.en-review-progress {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}
.en-review-progress-bar {
    flex: 1;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
}
.en-review-progress-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 3px;
    transition: width 0.3s ease;
}
.en-review-progress-text {
    font-size: 13px;
    color: var(--gray);
    white-space: nowrap;
    min-width: 40px;
    text-align: right;
}

/* ── 复习翻卡片 ── */
.en-review-card {
    perspective: 800px;
    margin-bottom: 24px;
    cursor: pointer;
}
.en-review-card-inner {
    position: relative;
    min-height: 220px;
    border-radius: 16px;
    transition: transform 0.5s ease;
    transform-style: preserve-3d;
}
.en-review-card-inner.flipped {
    transform: rotateY(180deg);
}
.en-review-front,
.en-review-back {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    border-radius: 16px;
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}
.en-review-front {
    background: var(--card-bg);
    border: 2px solid var(--border);
}
.en-review-back {
    background: linear-gradient(135deg, #E8F0FE, #D2E3FC);
    border: 2px solid var(--primary);
    transform: rotateY(180deg);
}
[data-theme="dark"] .en-review-back {
    background: linear-gradient(135deg, #0d2137, #1a2a3e);
}
.en-review-prompt {
    font-size: 12px;
    color: var(--light-gray);
    margin-bottom: 16px;
}
.en-review-word {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.3;
    word-break: break-word;
}
.en-review-type {
    margin-top: 12px;
    font-size: 12px;
    color: var(--primary);
    font-weight: 600;
}
.en-review-meaning {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
    word-break: break-word;
}
.en-review-cn {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 8px;
}
.en-review-example {
    font-size: 13px;
    color: var(--gray);
    font-style: italic;
    margin-bottom: 6px;
    word-break: break-word;
}
.en-review-structure {
    font-size: 13px;
    color: var(--gray);
    word-break: break-word;
}

/* ── 复习操作按钮 ── */
.en-review-actions {
    display: flex;
    gap: 12px;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.25s, transform 0.25s;
    pointer-events: none;
}
.en-review-actions.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}
.en-review-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 14px;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s, transform 0.1s;
}
.en-review-btn:active {
    transform: scale(0.96);
}
.en-review-wrong {
    background: #FDE7E0;
    color: #D93025;
}
.en-review-wrong:hover {
    background: #FCC9B7;
}
.en-review-correct {
    background: #E6F4EA;
    color: #1E8E3E;
}
.en-review-correct:hover {
    background: #CEEAD6;
}
[data-theme="dark"] .en-review-wrong {
    background: #3B1C1C;
    color: #EF9A9A;
}
[data-theme="dark"] .en-review-correct {
    background: #1B3A26;
    color: #81C784;
}

/* ── 复习完成页 ── */
.en-review-complete {
    text-align: center;
    padding: 40px 20px;
}
.en-review-complete-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1E8E3E, #34A853);
    color: #fff;
    font-size: 32px;
    line-height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: enReviewPop 0.4s ease;
}
.en-review-complete h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 24px;
}
.en-review-stats {
    display: flex;
    gap: 12px;
    margin-bottom: 28px;
}
.en-review-stat {
    flex: 1;
    padding: 16px 8px;
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border);
}
.en-review-stat-num {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
}
.en-review-stat-label {
    display: block;
    font-size: 12px;
    color: var(--light-gray);
    margin-top: 4px;
}
.en-review-done-btn {
    display: inline-block;
    padding: 12px 32px;
    border: none;
    border-radius: 24px;
    background: var(--primary);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s, transform 0.1s;
}
.en-review-done-btn:hover {
    opacity: 0.9;
}
.en-review-done-btn:active {
    transform: scale(0.96);
}

@keyframes enReviewPop {
    0% { transform: scale(0.3); opacity: 0; }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

/* ── 卡片页 + 复习模式 深色模式补充 ── */
[data-theme="dark"] .en-card-type-vocabulary { background: #0d2137; color: #8AB4F8; }
[data-theme="dark"] .en-card-type-collocation { background: #2a1a2e; color: #CE93D8; }
[data-theme="dark"] .en-card-type-sentence { background: #1B3A26; color: #81C784; }
[data-theme="dark"] .en-card-type-culture { background: #3E2E0D; color: #FFB74D; }

/* ── 卡片页 + 复习模式 移动端适配 ── */
@media (max-width: 768px) {
    .en-cards-stats {
        gap: 6px;
    }
    .en-stat-num {
        font-size: 18px;
    }
    .en-stat-label {
        font-size: 10px;
    }
    .en-review-card-inner {
        min-height: 180px;
    }
    .en-review-word {
        font-size: 20px;
    }
    .en-review-stats {
        gap: 8px;
    }
    .en-review-stat-num {
        font-size: 20px;
    }
}

/* ═══ P2-E: 英语频道深色模式补全 + 移动端响应式适配 ═══ */

/* ── 深色模式补全（覆盖硬编码颜色） ── */

/* 文章 Badge */
[data-theme="dark"] .en-badge-pending {
    background: #3E2723;
    color: #FFB74D;
}
[data-theme="dark"] .en-badge-done {
    background: #1B3A26;
    color: #81C784;
}
[data-theme="dark"] .en-badge-featured {
    background: #0D2137;
    color: #8AB4F8;
}

/* 分级按钮深色 */
[data-theme="dark"] .en-grade-btn:hover {
    background: #1565C0;
}
[data-theme="dark"] .en-retry-btn {
    border-color: #EF9A9A;
    color: #EF9A9A;
}
[data-theme="dark"] .en-retry-btn:hover {
    background: #3B1C1C;
}

/* 旋转动画深色 */
[data-theme="dark"] .en-grading-spinner {
    border-color: #1A3A5C;
    border-top-color: #8AB4F8;
}

/* 对照模式深色 */
[data-theme="dark"] .en-compare-toggle.active {
    background: var(--primary);
}

/* 底部状态深色 */
[data-theme="dark"] .en-status-done {
    color: #81C784;
}
[data-theme="dark"] .en-status-processing {
    color: #8AB4F8;
}

/* 词汇项深色补全 */
[data-theme="dark"] .en-vocab-item {
    border-color: var(--border);
}
[data-theme="dark"] .en-vocab-pos {
    background: #2a2a2a;
    color: #bbb;
}
[data-theme="dark"] .en-vocab-example {
    border-color: var(--border);
    color: #aaa;
}
[data-theme="dark"] .en-vocab-cn {
    color: #9AA0A6;
}

/* 长难句深色 */
[data-theme="dark"] .en-sentence-original {
    color: var(--dark);
}
[data-theme="dark"] .en-sentence-structure {
    color: #aaa;
}

/* 解析侧栏深色 */
[data-theme="dark"] .en-analysis-sidebar {
    background: var(--card-bg);
    border-color: var(--border);
}
[data-theme="dark"] .en-analysis-section-header {
    color: var(--dark);
}
[data-theme="dark"] .en-analysis-section-body {
    border-color: var(--border);
}

/* 翻卡正面深色 */
[data-theme="dark"] .en-review-front {
    border-color: var(--border);
}
[data-theme="dark"] .en-review-prompt {
    color: var(--light-gray);
}

/* 复习完成页深色 */
[data-theme="dark"] .en-review-complete h2 {
    color: var(--dark);
}
[data-theme="dark"] .en-review-complete-icon {
    background: linear-gradient(135deg, #2E7D32, #1B5E20);
}
[data-theme="dark"] .en-review-done-btn {
    background: var(--primary);
    color: #fff;
}

/* 卡片筛选 Tab 深色 */
[data-theme="dark"] .en-card-filter:not(.active) {
    background: var(--card-bg);
    border-color: var(--border);
    color: var(--gray);
}

/* 卡片条目深色 */
[data-theme="dark"] .en-card-item {
    border-color: var(--border);
}
[data-theme="dark"] .en-stat-item {
    border-color: var(--border);
}

/* ── 移动端响应式适配 ── */
@media (max-width: 768px) {
    /* 首页分类 Tab 滚动优化 */
    .en-category-bar {
        padding: 8px;
    }
    .en-cat-btn {
        padding: 5px 10px;
        font-size: 12px;
    }

    /* 文章卡片 */
    .en-article-card {
        padding: 12px;
    }
    .en-article-title {
        font-size: 14px;
    }
    .en-article-summary {
        font-size: 12px;
    }

    /* 文章详情 */
    .en-detail-title {
        font-size: 17px;
    }
    .en-detail-title-cn {
        font-size: 13px;
    }
    .en-detail-body {
        padding: 12px;
        font-size: 14px;
    }

    /* 难度 Tab */
    .en-level-tabs {
        overflow-x: auto;
        scrollbar-width: none;
    }
    .en-level-tabs::-webkit-scrollbar {
        display: none;
    }
    .en-level-tab {
        padding: 8px 10px;
        font-size: 12px;
        white-space: nowrap;
    }

    /* 对照模式移动端堆叠 */
    .en-detail-body-wrap.en-compare-active {
        flex-direction: column;
    }
    .en-detail-body-wrap.en-compare-active .en-detail-body {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    /* 解析侧栏移动端（已有但补充细节） */
    .en-analysis-section-header {
        font-size: 13px;
    }

    /* 卡片入口 */
    .en-cards-entry {
        padding: 12px;
    }
    .en-cards-entry-icon {
        width: 36px;
        height: 36px;
    }

    /* 卡片筛选 Tab */
    .en-card-filter {
        padding: 5px 10px;
        font-size: 12px;
    }

    /* 复习操作按钮 */
    .en-review-btn {
        padding: 12px;
        font-size: 14px;
    }
}

/* ── 导出按钮与下拉菜单（E2）── */
.export-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin: 0 12px 8px;
    padding: 6px 14px;
    background: var(--card-bg);
    color: var(--gray);
    border: 1px solid var(--border);
    border-radius: 16px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}
.export-btn:active {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary);
}

.export-dropdown {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.12);
    padding: 4px 0;
    z-index: 9999;
    min-width: 140px;
}
.export-dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    font-size: 14px;
    color: var(--gray);
    cursor: pointer;
    transition: background 0.15s;
}
.export-dropdown-item:hover {
    background: var(--primary-light);
    color: var(--primary);
}

/* ── 智能分源调度状态（S1）── */
.sched-jobs-overview { margin-bottom: 12px; }

.sched-group {
    margin-bottom: 10px;
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
}
.sched-group-header {
    padding: 6px 12px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
}
.sched-source-list { padding: 4px 0; }
.sched-source-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 12px;
    font-size: 13px;
}
.sched-source-item.sched-disabled { opacity: 0.4; }
.sched-source-info { display: flex; align-items: center; gap: 6px; }
.sched-source-name { color: var(--gray); }
.sched-tag-finance {
    font-size: 10px;
    padding: 1px 5px;
    border-radius: 4px;
    background: rgba(233, 69, 69, 0.12);
    color: #e94545;
}
.sched-tag-en {
    font-size: 10px;
    padding: 1px 5px;
    border-radius: 4px;
    background: rgba(26, 115, 232, 0.12);
    color: var(--primary);
}
.sched-source-meta { display: flex; align-items: center; gap: 8px; }
.sched-status-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    font-size: 11px;
}
.sched-ok { background: rgba(76, 175, 80, 0.15); color: #4caf50; }
.sched-err { background: rgba(244, 67, 54, 0.15); color: #f44336; }
.sched-never { background: rgba(158, 158, 158, 0.15); color: var(--light-gray); }
.sched-last-run { font-size: 12px; color: var(--light-gray); }
.sched-fetched { font-size: 12px; color: var(--primary); }

/* S1: RSS 源健康度指示灯 */
.health-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; flex-shrink: 0; }
.health-healthy { background: #4CAF50; box-shadow: 0 0 4px rgba(76,175,80,0.5); }
.health-degraded { background: #FF9800; box-shadow: 0 0 4px rgba(255,152,0,0.5); }
.health-dead { background: #f44336; box-shadow: 0 0 4px rgba(244,67,54,0.5); animation: health-pulse 1.5s ease-in-out infinite; }
@keyframes health-pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

/* S1: 告警面板 */
.sched-alerts-panel {
    background: #FFF3E0;
    border-radius: 10px;
    padding: 10px 12px;
    margin-bottom: 12px;
}
.sched-alerts-header {
    font-size: 13px; font-weight: 600; color: #E65100;
    margin-bottom: 8px;
}
.sched-alert-item {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 8px; margin-bottom: 4px;
    background: rgba(255,255,255,0.6);
    border-radius: 6px;
    font-size: 12px;
}
.sched-alert-source { font-weight: 600; color: var(--dark); white-space: nowrap; }
.sched-alert-msg { color: var(--gray); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* S2: 降频标签 */
.sched-tag-freq {
    display: inline-block; font-size: 10px; padding: 1px 5px;
    border-radius: 4px; background: #FFF3E0; color: #E65100;
    margin-left: 4px;
}
.sched-latency { font-size: 11px; white-space: nowrap; }