/* ============================================================
   行恒简安 · 今日热榜
   设计基线沿用 homepage_new：浅蓝渐变基底 + 蓝色强调 + 毛玻璃卡片
   ============================================================ */

:root {
    --bg-0: #eaf1fb;
    --bg-1: #f5f9ff;
    --bg-2: #e6edf8;
    --bg-3: #dbe5f3;
    --panel: rgba(244, 249, 255, 0.62);
    --panel-strong: rgba(248, 251, 255, 0.92);
    --panel-inset: rgba(255, 255, 255, 0.55);
    --border: rgba(148, 163, 184, 0.22);
    --border-strong: rgba(66, 144, 245, 0.35);
    --text: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --primary: #4290f5;
    --primary-light: #5aa0ff;
    --primary-dark: #2563eb;
    --accent: #06b6d4;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --hot-1: linear-gradient(135deg, #ff6b6b, #e11d48);
    --hot-2: linear-gradient(135deg, #fb923c, #ea580c);
    --hot-3: linear-gradient(135deg, #fbbf24, #d97706);
    --shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 8px 40px rgba(15, 23, 42, 0.08);
    --shadow-glow: 0 0 40px rgba(66, 144, 245, 0.14);
    --radius-sm: 12px;
    --radius-md: 18px;
    --radius-lg: 28px;
    --header-h: 76px;
    --row-hover: rgba(66, 144, 245, 0.07);
    --scrollbar: rgba(148, 163, 184, 0.35);
    color-scheme: light;
}

[data-theme="dark"] {
    --bg-0: #070c18;
    --bg-1: #0d1524;
    --bg-2: #0a1120;
    --bg-3: #131e33;
    --panel: rgba(20, 32, 54, 0.62);
    --panel-strong: rgba(18, 29, 48, 0.94);
    --panel-inset: rgba(255, 255, 255, 0.05);
    --border: rgba(120, 145, 185, 0.20);
    --border-strong: rgba(90, 160, 255, 0.45);
    --text: #e8eef8;
    --text-secondary: #9fb0c8;
    --text-muted: #6b7d96;
    --primary: #5aa0ff;
    --primary-light: #7db6ff;
    --primary-dark: #3d82e8;
    --accent: #22d3ee;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 8px 40px rgba(0, 0, 0, 0.45);
    --shadow-glow: 0 0 40px rgba(90, 160, 255, 0.20);
    --row-hover: rgba(90, 160, 255, 0.12);
    --scrollbar: rgba(120, 145, 185, 0.35);
    color-scheme: dark;
}

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

html { scroll-behavior: smooth; }

body {
    min-height: 100vh;
    background:
        radial-gradient(ellipse at 6% -8%, rgba(66, 144, 245, 0.22) 0%, transparent 45%),
        radial-gradient(ellipse at 94% 2%, rgba(6, 182, 212, 0.16) 0%, transparent 42%),
        radial-gradient(ellipse at 50% 118%, rgba(66, 144, 245, 0.14) 0%, transparent 52%),
        linear-gradient(180deg, var(--bg-1) 0%, var(--bg-0) 55%, var(--bg-2) 100%);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
        Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
    transition: background 0.4s ease, color 0.3s ease;
}

#tech-canvas {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.5;
}

a { color: inherit; text-decoration: none; }

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
    background: none;
    color: inherit;
}

::selection { background: rgba(66, 144, 245, 0.25); }

/* ===== 滚动条 ===== */
/* 卡片正文已改成固定 10 条、不滚动，这里只剩侧边菜单需要（详见 .card-body） */
.side-menu::-webkit-scrollbar { width: 6px; }

.side-menu::-webkit-scrollbar-thumb {
    background: var(--scrollbar);
    border-radius: 999px;
}

/* ===== Header ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-h);
    background: linear-gradient(180deg, rgba(238, 244, 253, 0.85) 0%, rgba(231, 239, 251, 0.62) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: background 0.3s ease, border-color 0.3s ease;
}

[data-theme="dark"] .site-header {
    background: linear-gradient(180deg, rgba(12, 20, 34, 0.88) 0%, rgba(10, 17, 30, 0.66) 100%);
}

.site-header::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), var(--accent), transparent);
    opacity: 0.65;
}

.header-inner {
    max-width: 1520px;
    height: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 13px;
    flex-shrink: 0;
}

.brand-logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
    filter: drop-shadow(0 2px 6px rgba(66, 144, 245, 0.25));
}

.brand-text { display: flex; flex-direction: column; line-height: 1.25; }

.brand-name {
    font-size: 19px;
    font-weight: 800;
    letter-spacing: 1.5px;
    color: var(--text);
}

.brand-slogan {
    font-size: 11px;
    color: var(--text-secondary);
    letter-spacing: 1px;
    white-space: nowrap;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1 1 auto;
    justify-content: center;
}

.nav-link {
    padding: 8px 15px;
    border-radius: 999px;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.25s ease;
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--primary-dark);
    background: rgba(66, 144, 245, 0.08);
}

.nav-link.active {
    color: #fff;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    box-shadow: 0 4px 14px rgba(66, 144, 245, 0.32);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

/* ===== 时钟 ===== */
.clock {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 16px;
    border-radius: 14px;
    background: var(--panel);
    border: 1px solid var(--border);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), inset 0 1px 0 var(--panel-inset);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.clock:hover {
    border-color: var(--border-strong);
    box-shadow: 0 4px 16px rgba(66, 144, 245, 0.13), inset 0 1px 0 var(--panel-inset);
}

.clock-main {
    display: flex;
    align-items: baseline;
    gap: 2px;
    font-family: "SF Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, monospace;
    font-variant-numeric: tabular-nums;
}

.clock-hm { font-size: 19px; font-weight: 600; letter-spacing: 0.5px; line-height: 1; color: var(--text); }

.clock-sec {
    padding: 1px 4px;
    border-radius: 5px;
    background: rgba(66, 144, 245, 0.10);
    font-size: 11px;
    font-weight: 600;
    line-height: 1.2;
    color: var(--primary-dark);
}

.clock-divider {
    width: 1px;
    height: 22px;
    background: linear-gradient(180deg, transparent, var(--border-strong), transparent);
}

.clock-meta { display: flex; flex-direction: column; gap: 3px; line-height: 1.15; }
.clock-ymd { font-size: 11px; color: var(--text-secondary); font-variant-numeric: tabular-nums; }
.clock-lunar { font-size: 11px; white-space: nowrap; color: var(--primary-dark); opacity: 0.85; }
[data-theme="dark"] .clock-lunar { color: var(--primary-light); }

/* ===== 按钮 ===== */
.btn-ghost-sm {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 16px;
    border-radius: 999px;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    font-size: 13px;
    font-weight: 600;
    transition: all 0.25s ease;
}

.btn-ghost-sm:hover { color: var(--primary-dark); border-color: var(--border-strong); }
[data-theme="dark"] .btn-ghost-sm:hover { color: var(--primary-light); }

.spin-icon { display: inline-block; font-size: 14px; line-height: 1; }
.btn-ghost-sm.loading .spin-icon { animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Main ===== */
main {
    position: relative;
    z-index: 1;
    padding-top: var(--header-h);
}

/* ===== 概览区 ===== */
.overview {
    max-width: 1520px;
    margin: 0 auto;
    padding: 44px 24px 0;
}

.overview-head { text-align: center; margin-bottom: 30px; }

.section-tag {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 999px;
    background: rgba(66, 144, 245, 0.08);
    border: 1px solid var(--border);
    color: var(--primary-dark);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2.5px;
    margin-bottom: 14px;
}
[data-theme="dark"] .section-tag { color: var(--primary-light); }

.overview-head h1 {
    font-size: 34px;
    font-weight: 800;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--text) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .overview-head h1 {
    background: linear-gradient(135deg, #e8eef8 0%, #7db6ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.overview-head p { color: var(--text-secondary); font-size: 15px; }

/* ===== 工具栏 ===== */
.toolbar {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    background: var(--panel);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
    gap: 9px;
    flex: 1 1 300px;
    min-width: 220px;
    padding: 0 14px;
    height: 40px;
    border-radius: 999px;
    background: var(--bg-1);
    border: 1px solid var(--border);
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

[data-theme="dark"] .search-box { background: rgba(10, 17, 30, 0.6); }

.search-box:focus-within {
    border-color: var(--border-strong);
    box-shadow: 0 0 0 3px rgba(66, 144, 245, 0.12);
}

.search-icon { display: flex; color: var(--text-muted); flex: 0 0 auto; }

.search-box input {
    flex: 1;
    min-width: 0;
    border: none;
    background: transparent;
    color: var(--text);
    font-size: 14px;
    outline: none;
}

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

.search-clear {
    flex: 0 0 auto;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--bg-3);
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.search-clear:hover { background: rgba(66, 144, 245, 0.16); color: var(--primary-dark); }

/* 分段控件 */
.seg {
    display: flex;
    gap: 4px;
    padding: 4px;
    border-radius: 999px;
    background: var(--bg-2);
    border: 1px solid var(--border);
    flex: 0 0 auto;
}

[data-theme="dark"] .seg { background: rgba(10, 17, 30, 0.55); }

.seg-item {
    padding: 7px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all 0.25s ease;
    white-space: nowrap;
}

.seg-item:hover { color: var(--text); }

.seg-item.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    box-shadow: 0 3px 12px rgba(66, 144, 245, 0.30);
}

.toolbar-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12.5px;
    color: var(--text-muted);
    flex: 0 0 auto;
    font-variant-numeric: tabular-nums;
}

.dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.16);
}

.dot.stale { background: var(--warning); box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.16); }
.dot.err { background: var(--danger); box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.16); }

/* ===== 网格 ===== */
.grid-wrap {
    max-width: 1520px;
    margin: 0 auto;
    padding: 24px 24px 70px;
}

.hot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
    gap: 20px;
    align-items: start;
}

/* ===== 榜单卡片 ===== */
.hot-card {
    position: relative;
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-md);
    background: var(--panel);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    overflow: hidden;
    transition: border-color 0.28s ease, box-shadow 0.28s ease, transform 0.28s ease;
}

.hot-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0.75;
}

.hot-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.hot-card.is-off { opacity: 0.72; }
.hot-card.is-off::after { background: linear-gradient(90deg, #94a3b8, #cbd5e1); }

.card-head {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 15px 16px 13px;
    border-bottom: 1px solid var(--border);
}

.card-icon {
    width: 32px;
    height: 32px;
    flex: 0 0 auto;
    border-radius: 9px;
    object-fit: contain;
    background: var(--panel-inset);
    border: 1px solid var(--border);
    padding: 3px;
}

.card-title {
    flex: 1 1 auto;
    min-width: 0;
    font-size: 15.5px;
    font-weight: 700;
    letter-spacing: 0.3px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-badge {
    flex: 0 0 auto;
    padding: 2px 9px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    color: var(--primary-dark);
    background: rgba(66, 144, 245, 0.10);
    border: 1px solid rgba(66, 144, 245, 0.18);
    white-space: nowrap;
}

[data-theme="dark"] .card-badge { color: var(--primary-light); background: rgba(90, 160, 255, 0.14); }

.card-refresh {
    flex: 0 0 auto;
    width: 26px;
    height: 26px;
    border-radius: 7px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 13px;
    transition: all 0.2s ease;
}

.card-refresh:hover { background: rgba(66, 144, 245, 0.10); color: var(--primary-dark); }
.card-refresh.spin { animation: spin 0.9s linear infinite; }

/* 卡片正文：固定展示 10 条（见 app.js 的 CARD_ITEMS），刻意不做卡内滚动 ——
   小框里上下滑极易误点开链接，看全量走卡底「查看全部」弹窗。 */
.card-body {
    padding: 5px 6px 7px;
}

.hot-row {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 7px 10px;
    border-radius: 9px;
    transition: background 0.18s ease;
    text-decoration: none;
}

.hot-row:hover { background: var(--row-hover); }

.rank {
    flex: 0 0 auto;
    width: 19px;
    height: 19px;
    margin-top: 2px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--text-muted);
    background: var(--bg-2);
    transition: all 0.2s ease;
}

[data-theme="dark"] .rank { background: rgba(255, 255, 255, 0.06); }

.rank.r1 { background: var(--hot-1); color: #fff; box-shadow: 0 2px 8px rgba(225, 29, 72, 0.35); }
.rank.r2 { background: var(--hot-2); color: #fff; box-shadow: 0 2px 8px rgba(234, 88, 12, 0.32); }
.rank.r3 { background: var(--hot-3); color: #fff; box-shadow: 0 2px 8px rgba(217, 119, 6, 0.30); }

.row-main { flex: 1 1 auto; min-width: 0; }

/* 标题压成一行：卡片高度就只由「条数」决定（10 条 = 恒定高度），四列才齐平。
   长标题（知乎 / IT之家 / 36氪等）不再把整列撑高一截。
   完整标题在「查看全部」弹窗里，鼠标悬停也有 title 提示。 */
.row-title {
    display: block;
    font-size: 13.5px;
    line-height: 1.5;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hot-row:hover .row-title { color: var(--primary-dark); }
[data-theme="dark"] .hot-row:hover .row-title { color: var(--primary-light); }

/* 卡片里不显示摘要（.row-sub 已移除）：百度/知乎/澎湃等源每条都带一段 desc，
   在卡里要多占一行，10 条就是 10 行，整列比微博头条高出一大截、参差不齐。
   摘要仍在「查看全部」弹窗里显示（.m-row-sub）。 */

/* 短标签（沸 / 热 / 新）跟标题同行，避免多出一行把行高撑乱 */
.row-chip {
    display: inline-block;
    margin-left: 6px;
    padding: 0 6px;
    border-radius: 5px;
    background: rgba(239, 68, 68, 0.12);
    color: #dc2626;
    font-size: 10.5px;
    font-weight: 700;
    line-height: 16px;
    vertical-align: 1px;
    white-space: nowrap;
}

[data-theme="dark"] .row-chip { background: rgba(248, 113, 113, 0.16); color: #f87171; }

.row-hot {
    flex: 0 0 auto;
    margin-top: 2px;
    font-size: 11.5px;
    font-weight: 600;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.card-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 9px 16px 11px;
    border-top: 1px solid var(--border);
    font-size: 11.5px;
    color: var(--text-muted);
}

.card-foot .expand {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11.5px;
    font-weight: 600;
    color: var(--primary-dark);
    padding: 2px 8px;
    border-radius: 999px;
    transition: background 0.2s ease;
}
[data-theme="dark"] .card-foot .expand { color: var(--primary-light); }
.card-foot .expand:hover { background: rgba(66, 144, 245, 0.10); }

.card-foot .expand-arrow {
    font-size: 12px;
    display: inline-block;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-foot .expand:hover .expand-arrow { transform: scale(1.25) translate(1px, -1px); }

.card-error {
    padding: 26px 16px;
    text-align: center;
    font-size: 12.5px;
    color: var(--text-muted);
}

.card-error strong { display: block; font-size: 13px; color: var(--text-secondary); margin-bottom: 4px; }

/* ===== 空状态 ===== */
.empty-state { padding: 80px 20px; text-align: center; color: var(--text-muted); }
.empty-icon { font-size: 40px; margin-bottom: 14px; opacity: 0.7; }

/* ===== 骨架屏 ===== */
/* 高度对齐「10 条满卡」的实际高度，数据到位后不跳 */
.skeleton {
    height: 460px;
    border-radius: var(--radius-md);
    background: linear-gradient(100deg, var(--bg-2) 30%, var(--bg-3) 50%, var(--bg-2) 70%);
    background-size: 200% 100%;
    animation: shimmer 1.4s infinite linear;
    border: 1px solid var(--border);
}

@keyframes shimmer { to { background-position: -200% 0; } }

/* ===== Footer ===== */
.site-footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border-strong);
    background: linear-gradient(135deg, rgba(66, 144, 245, 0.10) 0%, rgba(6, 182, 212, 0.06) 100%);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.footer-inner { max-width: 1520px; margin: 0 auto; padding: 44px 24px 26px; }

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-bottom: 24px;
}

.footer-logo { width: 40px; height: 40px; object-fit: contain; opacity: 0.9; }
.footer-name { font-size: 18px; font-weight: 700; }
.footer-slogan { font-size: 12px; color: var(--text-secondary); letter-spacing: 1px; }

.footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px 20px;
    margin-bottom: 22px;
}

.footer-links a { color: var(--text-secondary); font-size: 13.5px; transition: color 0.2s ease; }
.footer-links a:hover { color: var(--primary-dark); }
[data-theme="dark"] .footer-links a:hover { color: var(--primary-light); }

.footer-copy { text-align: center; color: var(--text-muted); font-size: 12.5px; }

.footer-beian { margin-top: 10px; text-align: center; font-size: 12px; color: var(--text-muted); }
.footer-beian a { display: inline-flex; align-items: center; gap: 6px; color: var(--text-muted); transition: color 0.2s; }
.footer-beian a:hover { color: var(--primary-dark); }
.footer-beian a svg { width: 14px; height: 14px; flex: 0 0 auto; opacity: 0.85; }
.beian-sep { margin: 0 8px; opacity: 0.4; }

/* ===== 榜单详情弹窗 ===== */
/* 用 visibility + opacity 控制显隐，而不是 display:none / hidden 属性，
   否则过渡动画不会生效。 */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 34px 20px;
    background: rgba(15, 23, 42, 0.34);
    backdrop-filter: blur(7px) saturate(130%);
    -webkit-backdrop-filter: blur(7px) saturate(130%);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

[data-theme="dark"] .modal-overlay { background: rgba(3, 7, 18, 0.62); }

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

/* 打开时页面不再滚动；固定页眉要一起补滚动条宽度，否则内容会横向跳一下 */
body.is-locked { overflow: hidden; padding-right: var(--lock-gap, 0); }
body.is-locked .site-header { padding-right: var(--lock-gap, 0); }

.modal-panel {
    position: relative;
    display: flex;
    flex-direction: column;
    width: min(820px, 100%);
    max-height: min(88vh, 920px);
    border-radius: var(--radius-lg);
    background: var(--panel-strong);
    border: 1px solid var(--border);
    box-shadow: 0 32px 80px rgba(15, 23, 42, 0.24), 0 4px 16px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
    overflow: hidden;
    /* 关闭态：略微下沉缩小，靠过渡收回 */
    opacity: 0;
    transform: translateY(24px) scale(0.965);
    transition: transform 0.46s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

[data-theme="dark"] .modal-panel {
    box-shadow: 0 32px 80px rgba(0, 0, 0, 0.6), 0 4px 16px rgba(0, 0, 0, 0.4);
}

.modal-overlay.is-open .modal-panel { opacity: 1; transform: none; }

/* 顶部流光条 */
.modal-accent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    z-index: 3;
    background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary-light), var(--primary));
    background-size: 300% 100%;
    animation: accentFlow 7s linear infinite;
}

@keyframes accentFlow { to { background-position: 300% 0; } }

/* 弹窗头 */
.modal-head {
    display: flex;
    align-items: center;
    gap: 13px;
    padding: 21px 22px 16px;
    border-bottom: 1px solid var(--border);
}

.modal-icon {
    flex: 0 0 auto;
    width: 40px;
    height: 40px;
    padding: 4px;
    border-radius: 12px;
    object-fit: contain;
    background: var(--panel-inset);
    border: 1px solid var(--border);
}

.modal-head-text { flex: 1 1 auto; min-width: 0; }

.modal-title {
    font-size: 19px;
    font-weight: 700;
    letter-spacing: 0.3px;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.modal-meta {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-top: 3px;
    font-size: 12px;
    color: var(--text-muted);
}

.modal-badge {
    padding: 1px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    color: var(--primary-dark);
    background: rgba(66, 144, 245, 0.10);
    border: 1px solid rgba(66, 144, 245, 0.18);
    white-space: nowrap;
}

[data-theme="dark"] .modal-badge {
    color: var(--primary-light);
    background: rgba(90, 160, 255, 0.14);
}

.modal-close {
    flex: 0 0 auto;
    width: 36px;
    height: 36px;
    border-radius: 11px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    background: var(--panel);
    border: 1px solid var(--border);
    transition: color 0.28s ease, background 0.28s ease, border-color 0.28s ease, transform 0.34s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-close:hover {
    color: #fff;
    background: var(--danger);
    border-color: var(--danger);
    transform: rotate(90deg);
}

/* 列表区 */
.modal-body {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 10px 12px 14px;
}

.modal-body::-webkit-scrollbar { width: 8px; }
.modal-body::-webkit-scrollbar-thumb { background: var(--scrollbar); border-radius: 999px; }
.modal-body::-webkit-scrollbar-track { background: transparent; }

.m-row {
    display: flex;
    align-items: flex-start;
    gap: 13px;
    padding: 11px 14px;
    border-radius: 12px;
    transition: background 0.2s ease, transform 0.2s ease;
}

.m-row:hover { background: var(--row-hover); transform: translateX(3px); }

.m-row .rank {
    width: 24px;
    height: 24px;
    margin-top: 1px;
    border-radius: 8px;
    font-size: 12px;
}

.m-row-main { flex: 1 1 auto; min-width: 0; }

.m-row-title {
    font-size: 15px;
    line-height: 1.55;
    color: var(--text);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-word;
}

.m-row:hover .m-row-title { color: var(--primary-dark); }
[data-theme="dark"] .m-row:hover .m-row-title { color: var(--primary-light); }

.m-row-sub {
    display: -webkit-box;
    margin-top: 3px;
    font-size: 12.5px;
    color: var(--text-muted);
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.m-row-hot {
    flex: 0 0 auto;
    margin-top: 3px;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--primary-dark);
    background: rgba(66, 144, 245, 0.10);
    white-space: nowrap;
}

[data-theme="dark"] .m-row-hot {
    color: var(--primary-light);
    background: rgba(90, 160, 255, 0.14);
}

/* 条目错峰入场：--i 由 JS 给出序号，上限 18 防止长列表等太久 */
.modal-overlay.is-open .m-row {
    animation: mRowIn 0.42s cubic-bezier(0.16, 1, 0.3, 1) both;
    animation-delay: calc(var(--i, 0) * 16ms);
}

@keyframes mRowIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: none; }
}

/* 弹窗底 */
.modal-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 13px 22px 15px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-muted);
}

.modal-actions { display: flex; align-items: center; gap: 8px; }

.modal-act {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 15px;
    border-radius: 999px;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--panel);
    border: 1px solid var(--border);
    transition: all 0.22s ease;
}

.modal-act:hover {
    transform: translateY(-1px);
    border-color: var(--border-strong);
    color: var(--primary-dark);
}

[data-theme="dark"] .modal-act:hover { color: var(--primary-light); }

.modal-act.is-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-color: transparent;
    box-shadow: 0 6px 18px rgba(66, 144, 245, 0.28);
}

.modal-act.is-primary:hover {
    color: #fff;
    box-shadow: 0 9px 26px rgba(66, 144, 245, 0.42);
}

.modal-act-arrow { font-size: 12px; opacity: 0.9; }

#modalRefresh.busy .spin-icon { animation: spin 0.9s linear infinite; }

/* ===== 悬浮按钮 ===== */
#scroll-top {
    position: fixed;
    right: 26px;
    bottom: 26px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--panel-strong);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 19px;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    transition: all 0.25s ease;
}

#scroll-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }

#scroll-top:hover {
    background: rgba(66, 144, 245, 0.12);
    color: var(--primary-dark);
    transform: scale(1.08);
}

[data-theme="dark"] #scroll-top:hover { color: var(--primary-light); }

/* 页眉里的图标按钮（主题切换） */
.icon-btn {
    flex: 0 0 auto;
    width: 36px;
    height: 36px;
    border-radius: 11px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--panel);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1;
    transition: all 0.25s ease;
}

.icon-btn:hover {
    border-color: var(--border-strong);
    background: rgba(66, 144, 245, 0.10);
    transform: translateY(-1px);
}

/* ===== Toast ===== */
.toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    z-index: 3000;
    padding: 11px 22px;
    border-radius: 999px;
    background: var(--panel-strong);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--shadow-md);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    max-width: 80vw;
    text-align: center;
}

.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.err { border-color: rgba(239, 68, 68, 0.35); color: var(--danger); }

/* ===== 响应式 ===== */
@media (max-width: 1280px) {
    .header-nav { display: none; }
}

@media (max-width: 1024px) {
    .overview { padding-top: 34px; }
    .overview-head h1 { font-size: 29px; }
    .hot-grid { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }

    .clock { gap: 0; padding: 6px 12px; }
    .clock-divider, .clock-meta { display: none; }

    .toolbar { gap: 12px; }
    .seg { order: 3; width: 100%; justify-content: space-between; }
    .seg-item { flex: 1; text-align: center; padding: 7px 8px; }
}

@media (max-width: 768px) {
    :root { --header-h: 64px; }

    .header-inner { padding: 0 16px; gap: 12px; }
    .brand-logo { width: 34px; height: 34px; }
    .brand-name { font-size: 16px; letter-spacing: 1px; }
    .brand-slogan { display: none; }
    .btn-label { display: none; }
    .btn-ghost-sm { padding: 7px 12px; }

    .overview { padding: 24px 16px 0; }
    .overview-head h1 { font-size: 24px; }
    .overview-head p { font-size: 13.5px; }
    .section-tag { letter-spacing: 1.5px; }

    .grid-wrap { padding: 18px 16px 50px; }
    .hot-grid { grid-template-columns: 1fr; gap: 14px; }

    .toolbar { padding: 10px 12px; border-radius: var(--radius-sm); }
    .search-box { height: 38px; }

    #scroll-top { right: 16px; bottom: 20px; width: 44px; height: 44px; }
    .header-actions { gap: 8px; }
    .icon-btn { width: 34px; height: 34px; border-radius: 10px; font-size: 15px; }

    .footer-inner { padding: 34px 16px 22px; }
}

/* 手机：弹窗改成从底部升起的抽屉，全宽更好用 */
@media (max-width: 640px) {
    .modal-overlay { padding: 0; align-items: flex-end; }

    .modal-panel {
        width: 100%;
        max-height: 92vh;
        max-height: 92svh;
        border-radius: 22px 22px 0 0;
        border-bottom: none;
        transform: translateY(60px);
    }

    .modal-panel::after {
        content: '';
        position: absolute;
        top: 11px;
        left: 50%;
        width: 40px;
        height: 4px;
        margin-left: -20px;
        border-radius: 999px;
        background: var(--border-strong);
        opacity: 0.5;
    }

    .modal-head { padding: 22px 16px 13px; }
    .modal-icon { width: 36px; height: 36px; }
    .modal-title { font-size: 17px; }
    .modal-body { padding: 8px 8px 12px; }
    .m-row { gap: 11px; padding: 10px 11px; }
    .m-row-title { font-size: 14px; }
    .m-row .rank { width: 22px; height: 22px; font-size: 11.5px; }
    .m-row-hot { font-size: 11.5px; padding: 1px 8px; }
    .modal-foot { padding: 11px 16px calc(14px + env(safe-area-inset-bottom, 0px)); }
    .modal-act { padding: 7px 13px; }
}

@media (prefers-reduced-motion: reduce) {
    * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
    html { scroll-behavior: auto; }
}