/* ============================================================
   滚石 500 大专辑 · 编辑黑 + 亮粉色 杂志风格
   ============================================================ */

:root {
    --color-primary: #18181B;
    --color-secondary: #3F3F46;
    --color-accent: #EC4899;
    --color-accent-deep: #BE185D;
    --color-accent-soft: #FCE7F3;
    --color-bg: #FAFAFA;
    --color-card: #FFFFFF;
    --color-text: #09090B;
    --color-text-muted: #52525B;
    --color-text-soft: #71717A;
    --color-border: #E4E4E7;
    --color-border-strong: #D4D4D8;
    --color-gold: #D4A574;
    --color-gold-deep: #8B6F47;

    --font-display: 'Libre Bodoni', 'Noto Serif SC', Georgia, serif;
    --font-body: 'Public Sans', 'Noto Sans SC', system-ui, -apple-system, sans-serif;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
    --shadow-pink: 0 12px 40px rgba(236, 72, 153, 0.18);

    --ease-smooth: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* ============================================================
   TOP MARQUEE BANNER
   ============================================================ */
.top-banner {
    background: var(--color-primary);
    color: var(--color-bg);
    padding: 10px 0;
    overflow: hidden;
    white-space: nowrap;
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    display: flex;
    gap: 32px;
    animation: marquee 30s linear infinite;
}
.banner-text { flex-shrink: 0; }
.banner-dot { color: var(--color-accent); flex-shrink: 0; }
@keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px max(24px, 5vw);
    max-width: 1440px;
    margin: 0 auto;
    width: 100%;
}
.nav-brand { display: flex; align-items: center; gap: 12px; }
.nav-logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 24px;
    font-style: italic;
    color: var(--color-primary);
    background: var(--color-accent);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    letter-spacing: -0.02em;
}
.nav-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 18px;
    color: var(--color-text);
    letter-spacing: 0.02em;
}
.nav-links { display: flex; gap: 32px; }
.nav-link {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 14px;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    position: relative;
    transition: color 200ms var(--ease-smooth);
    cursor: pointer;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width 250ms var(--ease-smooth);
}
.nav-link:hover { color: var(--color-accent); }
.nav-link:hover::after { width: 100%; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
    position: relative;
    overflow: hidden;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1440px;
    margin: 0 auto;
    padding: 64px max(24px, 5vw) 120px;
}
.hero-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 40px;
}
.meta-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--color-primary);
    color: var(--color-bg);
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.2em;
}
.meta-date {
    font-size: 12px;
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
    font-weight: 500;
}
.hero-title {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 32px;
    color: var(--color-text);
}
.title-line-1 {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(28px, 5vw, 56px);
    font-weight: 400;
    font-style: italic;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}
.title-line-2 {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(72px, 14vw, 200px);
    font-weight: 700;
    line-height: 0.9;
    color: var(--color-primary);
    letter-spacing: -0.05em;
    margin-bottom: 16px;
}
.title-line-2 em {
    font-style: italic;
    color: var(--color-accent);
    font-weight: 700;
    position: relative;
    display: inline-block;
    margin-right: 0.1em;
}
.title-line-3 {
    display: block;
    font-family: var(--font-body);
    font-size: clamp(11px, 1.2vw, 14px);
    font-weight: 700;
    letter-spacing: 0.3em;
    color: var(--color-text-muted);
    text-transform: uppercase;
}
.hero-subtitle {
    max-width: 720px;
    font-size: clamp(15px, 1.4vw, 18px);
    line-height: 1.75;
    color: var(--color-text-muted);
    margin-bottom: 56px;
}
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 48px;
    margin-bottom: 56px;
    max-width: 640px;
}
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-number {
    font-family: var(--font-display);
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    letter-spacing: -0.03em;
}
.stat-label {
    font-size: 12px;
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 500;
}
.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--color-primary);
    color: var(--color-bg);
    padding: 18px 32px;
    border-radius: 100px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    letter-spacing: 0.05em;
    transition: all 250ms var(--ease-smooth);
    border: 2px solid var(--color-primary);
    cursor: pointer;
}
.hero-cta:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-pink);
}
.cta-arrow {
    width: 20px;
    height: 20px;
    transition: transform 200ms var(--ease-smooth);
}
.hero-cta:hover .cta-arrow { transform: translateX(4px); }

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 1;
}
.bg-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.35;
}
.bg-circle-1 {
    width: 500px; height: 500px;
    background: var(--color-accent);
    top: -200px; right: -100px;
    animation: float 20s ease-in-out infinite;
}
.bg-circle-2 {
    width: 380px; height: 380px;
    background: var(--color-gold);
    bottom: -150px; left: 10%;
    opacity: 0.2;
    animation: float 25s ease-in-out infinite reverse;
}
.bg-circle-3 {
    width: 280px; height: 280px;
    background: var(--color-accent);
    top: 40%; right: 30%;
    opacity: 0.1;
    animation: float 30s ease-in-out infinite;
}
@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(40px, -30px) scale(1.05); }
}

/* ============================================================
   COVER PLACEHOLDER (used while iTunes loads)
   ============================================================ */
.cover-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.85);
    font-family: var(--font-display);
    font-weight: 700;
    font-style: italic;
    position: relative;
    overflow: hidden;
}
.cover-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(45deg, transparent 0 10px, rgba(255,255,255,0.04) 10px 20px),
        radial-gradient(circle at 30% 30%, rgba(255,255,255,0.15), transparent 50%);
    pointer-events: none;
}
.cover-initial {
    font-size: 4em;
    line-height: 1;
    letter-spacing: -0.05em;
    text-shadow: 0 2px 16px rgba(0,0,0,0.4);
    position: relative;
    z-index: 1;
}
.cover-image, .cover-image-large {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ============================================================
   TOP 10 SECTION
   ============================================================ */
.top10-section {
    max-width: 1440px;
    margin: 0 auto;
    padding: 120px max(24px, 5vw);
}
.section-header { max-width: 800px; margin-bottom: 64px; }
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: var(--color-accent-soft);
    color: var(--color-accent-deep);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.15em;
    margin-bottom: 24px;
}
.tag-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--color-accent);
    animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}
.section-title {
    font-family: var(--font-display);
    font-size: clamp(40px, 6vw, 80px);
    font-weight: 700;
    line-height: 1;
    color: var(--color-text);
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}
.section-title em { font-style: italic; color: var(--color-accent); }
.section-desc {
    font-size: clamp(15px, 1.4vw, 18px);
    line-height: 1.75;
    color: var(--color-text-muted);
    max-width: 640px;
}
.top10-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
}
.top10-grid .top10-card:first-child {
    grid-column: span 2;
    grid-row: span 2;
}
.top10-card {
    position: relative;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: all 300ms var(--ease-smooth);
    display: flex;
    flex-direction: column;
    min-height: 360px;
}
.top10-cover {
    aspect-ratio: 1 / 1;
    width: 100%;
    position: relative;
    overflow: hidden;
    background: var(--color-primary);
}
.top10-card:hover {
    transform: translateY(-6px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-pink);
}
.top10-card:hover .cover-image,
.top10-card:hover .cover-image-large {
    transform: scale(1.04);
}
.cover-image, .cover-image-large {
    transition: transform 600ms var(--ease-smooth);
}
.top10-card:first-child .top10-cover { aspect-ratio: auto; flex: 1 1 auto; }
.top10-rank {
    position: absolute;
    top: 12px;
    left: 16px;
    font-family: var(--font-display);
    font-size: 64px;
    font-weight: 700;
    line-height: 0.85;
    color: var(--color-bg);
    letter-spacing: -0.06em;
    font-style: italic;
    z-index: 2;
    text-shadow:
        2px 2px 0 var(--color-accent),
        4px 4px 24px rgba(0,0,0,0.5);
}
.top10-card:first-child .top10-rank {
    font-size: 120px;
    top: 20px;
    left: 28px;
}
.top10-info {
    padding: 20px 24px 24px;
    background: var(--color-card);
}
.top10-titleZh {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 4px;
    line-height: 1.2;
    letter-spacing: -0.01em;
}
.top10-card:first-child .top10-titleZh { font-size: 30px; }
.top10-title {
    font-family: var(--font-display);
    font-size: 14px;
    font-style: italic;
    color: var(--color-text-muted);
    margin-bottom: 10px;
    line-height: 1.3;
}
.top10-artist {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
}
.top10-meta {
    font-size: 11px;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
    font-weight: 600;
    text-transform: uppercase;
}

/* ============================================================
   FILTER SECTION
   ============================================================ */
.filter-section {
    max-width: 1440px;
    margin: 0 auto;
    padding: 64px max(24px, 5vw) 32px;
    border-top: 1px solid var(--color-border);
}
.filter-header { margin-bottom: 48px; }
.filter-title {
    font-family: var(--font-display);
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 16px;
    line-height: 1;
    letter-spacing: -0.03em;
}
.filter-title em { font-style: italic; color: var(--color-accent); }
.filter-desc {
    font-size: 16px;
    color: var(--color-text-muted);
    max-width: 540px;
}
.filter-bar {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    box-shadow: var(--shadow-sm);
}
.search-wrap { position: relative; display: flex; align-items: center; }
.search-icon {
    position: absolute;
    left: 16px;
    width: 20px; height: 20px;
    color: var(--color-text-soft);
    pointer-events: none;
}
.search-input {
    width: 100%;
    padding: 14px 20px 14px 48px;
    border: 2px solid var(--color-border);
    border-radius: 100px;
    font-family: var(--font-body);
    font-size: 15px;
    color: var(--color-text);
    background: var(--color-bg);
    transition: border-color 200ms var(--ease-smooth);
}
.search-input:focus {
    outline: none;
    border-color: var(--color-accent);
    background: var(--color-card);
}
.search-input::placeholder { color: var(--color-text-soft); }
.filter-group { display: flex; flex-direction: column; gap: 10px; }
.filter-label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}
.filter-pills { display: flex; gap: 8px; flex-wrap: wrap; }
.pill {
    padding: 8px 16px;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    border-radius: 100px;
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    transition: all 200ms var(--ease-smooth);
}
.pill:hover { border-color: var(--color-primary); }
.pill.active {
    background: var(--color-primary);
    color: var(--color-bg);
    border-color: var(--color-primary);
}
.result-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}
.result-count {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
}
.view-toggle {
    display: flex;
    gap: 4px;
    background: var(--color-bg);
    border-radius: 100px;
    padding: 4px;
    border: 1px solid var(--color-border);
}
.view-btn {
    width: 36px; height: 36px;
    border: none;
    background: transparent;
    border-radius: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-text-muted);
    transition: all 200ms var(--ease-smooth);
}
.view-btn svg { width: 16px; height: 16px; }
.view-btn:hover { color: var(--color-text); }
.view-btn.active {
    background: var(--color-primary);
    color: var(--color-bg);
}

/* ============================================================
   ALBUM GRID (WITH COVER)
   ============================================================ */
.album-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 32px max(24px, 5vw) 120px;
}
.album-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}
.album-grid.list-view {
    grid-template-columns: 1fr;
    gap: 8px;
}
.album-card {
    position: relative;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 250ms var(--ease-smooth);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.album-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}
.album-card:hover .cover-image { transform: scale(1.05); }
.album-card:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}
.album-cover {
    position: relative;
    aspect-ratio: 1 / 1;
    width: 100%;
    overflow: hidden;
    background: var(--color-primary);
}
.album-rank-badge {
    position: absolute;
    top: 10px;
    left: 12px;
    font-family: var(--font-display);
    font-size: 38px;
    font-weight: 700;
    font-style: italic;
    line-height: 0.85;
    color: var(--color-bg);
    letter-spacing: -0.04em;
    z-index: 2;
    text-shadow:
        1.5px 1.5px 0 var(--color-accent),
        3px 3px 16px rgba(0,0,0,0.5);
    pointer-events: none;
}
.album-card.tier-1 .album-rank-badge {
    text-shadow:
        2px 2px 0 var(--color-accent),
        4px 4px 20px rgba(0,0,0,0.7);
}
.album-card.tier-2 .album-rank-badge {
    text-shadow:
        1.5px 1.5px 0 var(--color-gold),
        3px 3px 16px rgba(0,0,0,0.5);
}
.album-info {
    padding: 14px 16px 8px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
}
.album-titleZh {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.25;
    letter-spacing: -0.01em;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.album-title {
    font-family: var(--font-display);
    font-size: 11px;
    font-style: italic;
    color: var(--color-text-muted);
    line-height: 1.3;
    margin-bottom: 6px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
}
.album-artistZh {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text);
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.album-artist {
    font-size: 10px;
    color: var(--color-text-soft);
    font-weight: 500;
    letter-spacing: 0.02em;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.album-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 16px 14px;
    border-top: 1px solid var(--color-border);
    margin-top: 6px;
}
.album-year {
    font-size: 11px;
    font-weight: 700;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
}
.album-genre {
    font-size: 10px;
    font-weight: 700;
    color: var(--color-accent-deep);
    background: var(--color-accent-soft);
    padding: 3px 8px;
    border-radius: 100px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* List view */
.album-grid.list-view .album-card {
    flex-direction: row;
    align-items: center;
}
.album-grid.list-view .album-cover {
    width: 80px;
    height: 80px;
    aspect-ratio: 1 / 1;
    flex-shrink: 0;
}
.album-grid.list-view .album-rank-badge {
    font-size: 24px;
    top: 4px;
    left: 6px;
}
.album-grid.list-view .album-info {
    flex: 1;
    padding: 12px 16px;
}
.album-grid.list-view .album-footer {
    padding: 12px 24px 12px 12px;
    border: none;
    margin: 0;
    flex-shrink: 0;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
}

/* Empty state */
.empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 56px 0 88px;
    text-align: center;
    color: var(--color-text-muted);
}
.empty-state[hidden] { display: none; }
.empty-panel {
    width: min(100%, 720px);
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 34px 28px 30px;
    box-shadow: var(--shadow-md);
}
.empty-mark {
    width: 52px;
    height: 52px;
    margin: 0 auto 18px;
    border: 1px solid var(--color-border-strong);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    background: var(--color-bg);
}
.empty-mark svg {
    width: 25px;
    height: 25px;
}
.empty-eyebrow {
    margin-bottom: 8px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--color-text-soft);
}
.empty-title {
    font-family: var(--font-display);
    font-size: clamp(24px, 4vw, 34px);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-bottom: 12px;
}
.empty-copy {
    max-width: 520px;
    margin: 0 auto;
    font-size: 15px;
    color: var(--color-text-muted);
}
.empty-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}
.empty-primary,
.empty-secondary {
    min-height: 44px;
    border-radius: 100px;
    padding: 0 18px;
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: all 200ms var(--ease-smooth);
}
.empty-primary {
    border: 1px solid var(--color-primary);
    background: var(--color-primary);
    color: var(--color-bg);
}
.empty-secondary {
    border: 1px solid var(--color-border-strong);
    background: var(--color-bg);
    color: var(--color-text);
}
.empty-primary:hover,
.empty-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}
.empty-primary:focus-visible,
.empty-secondary:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 48px; height: 48px;
    background: var(--color-primary);
    color: var(--color-bg);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: all 250ms var(--ease-smooth);
    z-index: 50;
    box-shadow: var(--shadow-lg);
}
.back-to-top.visible { opacity: 1; pointer-events: auto; }
.back-to-top:hover {
    background: var(--color-accent);
    transform: translateY(-4px);
}
.back-to-top svg { width: 20px; height: 20px; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: var(--color-primary);
    color: var(--color-bg);
    padding: 80px max(24px, 5vw) 32px;
}
.footer-content {
    max-width: 1440px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 64px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-brand { max-width: 320px; }
.footer-logo {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    font-style: italic;
    color: var(--color-accent);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}
.footer-tagline {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}
.footer-heading {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    color: var(--color-bg);
    margin-bottom: 16px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}
.footer-text {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    margin-bottom: 8px;
}
.footer-bottom {
    max-width: 1440px;
    margin: 32px auto 0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.05em;
}
.footer-divider { color: var(--color-accent); }

/* ============================================================
   MODAL (REDESIGN: cover + tracks + summary)
   ============================================================ */
.modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.modal[hidden] { display: none; }
.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(9, 9, 11, 0.78);
    backdrop-filter: blur(10px);
    animation: fadeIn 200ms var(--ease-smooth);
}
.modal-content {
    position: relative;
    background: var(--color-card);
    border-radius: var(--radius-xl);
    max-width: 980px;
    width: 100%;
    max-height: 92vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: slideUp 300ms var(--ease-bounce);
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-close {
    position: sticky;
    top: 20px;
    margin: 20px 20px 0 auto;
    width: 40px; height: 40px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    transition: all 200ms var(--ease-smooth);
    z-index: 5;
    float: right;
}
.modal-close:hover {
    background: var(--color-primary);
    color: var(--color-bg);
    border-color: var(--color-primary);
}
.modal-close svg { width: 18px; height: 18px; }
.modal-body {
    padding: 0 40px 40px;
}

.modal-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 40px;
    padding-top: 20px;
}
.modal-cover-col {
    position: relative;
}
.modal-cover {
    position: relative;
    aspect-ratio: 1 / 1;
    width: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-primary);
    box-shadow: var(--shadow-lg);
}
.modal-cover .cover-image-large {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.modal-cover-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 16px;
    color: var(--color-text-soft);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.1em;
}
.loading-dot {
    display: inline-block;
    width: 6px; height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: dotPulse 1.4s infinite ease-in-out;
}
.loading-dot:nth-child(2) { animation-delay: 0.2s; }
.loading-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes dotPulse {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
    40% { transform: scale(1); opacity: 1; }
}

.modal-info-col {
    display: flex;
    flex-direction: column;
}
.modal-rank-row {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-bottom: 12px;
    color: var(--color-accent);
}
.modal-rank-label {
    font-family: var(--font-display);
    font-size: 16px;
    font-style: italic;
    font-weight: 600;
    color: var(--color-text-muted);
}
.modal-rank {
    font-family: var(--font-display);
    font-size: 72px;
    font-weight: 700;
    line-height: 0.85;
    color: var(--color-accent);
    letter-spacing: -0.05em;
    font-style: italic;
}
.modal-rank-total {
    font-family: var(--font-display);
    font-size: 16px;
    font-style: italic;
    color: var(--color-text-muted);
    font-weight: 500;
}
.modal-titleZh {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 4px;
    line-height: 1.15;
    letter-spacing: -0.02em;
}
.modal-title {
    font-family: var(--font-display);
    font-size: 16px;
    font-style: italic;
    color: var(--color-text-muted);
    margin-bottom: 20px;
}
.modal-artistRow {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 20px;
}
.modal-artistZh {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
}
.modal-artist {
    font-size: 13px;
    font-style: italic;
    color: var(--color-text-muted);
}
.modal-meta {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}
.modal-meta-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.modal-meta-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}
.modal-meta-value {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
}
.genre-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 100px;
    background: var(--color-accent-soft);
    color: var(--color-accent-deep);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.05em;
    font-family: var(--font-body);
}
.external-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-accent-deep);
    text-decoration: none;
    background: var(--color-accent-soft);
    padding: 4px 12px;
    border-radius: 100px;
    transition: all 200ms var(--ease-smooth);
}
.external-link:hover {
    background: var(--color-accent);
    color: var(--color-bg);
}
.external-link svg { width: 12px; height: 12px; }

/* Modal sections */
.modal-section {
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
}
.modal-section-title {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 20px;
    letter-spacing: -0.01em;
    display: flex;
    align-items: baseline;
    gap: 10px;
}
.section-sub {
    font-size: 12px;
    font-style: italic;
    color: var(--color-text-muted);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}
.modal-loading-text,
.modal-empty-text {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.7;
    padding: 12px 0;
}
.summary-text {
    font-size: 15px;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 12px;
}
.summary-link {
    display: inline-flex;
    align-items: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-accent-deep);
    text-decoration: none;
    transition: color 200ms var(--ease-smooth);
}
.summary-link:hover { color: var(--color-accent); }
.summary-source {
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-top: 4px;
}
.summary-block + .summary-block {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px dashed var(--color-border, rgba(0,0,0,0.12));
}
.summary-block--translation .summary-source {
    color: var(--color-text-muted);
    opacity: 0.85;
}
.summary-text--en {
    font-family: var(--font-serif, Georgia, 'Libre Bodoni', serif);
    font-style: italic;
    color: var(--color-text-soft, var(--color-text));
    opacity: 0.92;
}

.modal-tracks {
    display: flex;
    flex-direction: column;
}
.track-disc-header {
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    color: var(--color-accent-deep);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 16px 0 8px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 4px;
}
.track-row {
    display: grid;
    grid-template-columns: 36px 1fr auto;
    align-items: center;
    gap: 14px;
    padding: 12px 4px;
    border-bottom: 1px solid var(--color-border);
    transition: background 200ms var(--ease-smooth);
}
.track-row:last-child { border-bottom: none; }
.track-row:hover { background: var(--color-bg); }
.track-num {
    font-family: var(--font-display);
    font-size: 14px;
    font-style: italic;
    font-weight: 600;
    color: var(--color-text-muted);
    text-align: right;
}
.track-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    line-height: 1.4;
}
.track-time {
    font-family: var(--font-body);
    font-size: 12px;
    color: var(--color-text-muted);
    font-variant-numeric: tabular-nums;
    font-weight: 500;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .top10-grid .top10-card:first-child {
        grid-column: span 1;
        grid-row: span 1;
    }
    .top10-card:first-child .top10-rank { font-size: 64px; }
    .top10-card:first-child .top10-titleZh { font-size: 22px; }
    .footer-content { grid-template-columns: 1fr; gap: 40px; }
    .modal-layout { grid-template-columns: 240px 1fr; gap: 28px; }
    .modal-rank { font-size: 56px; }
    .modal-titleZh { font-size: 26px; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero-content { padding: 48px max(20px, 4vw) 80px; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .top10-section, .filter-section, .album-container {
        padding-left: 20px;
        padding-right: 20px;
    }
    .top10-section { padding-top: 80px; padding-bottom: 80px; }
    .top10-grid { grid-template-columns: 1fr; }
    .album-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .album-rank-badge { font-size: 32px; }
    .album-titleZh { font-size: 14px; }
    .album-grid.list-view .album-card { flex-direction: row; }
    .modal-body { padding: 0 24px 32px; }
    .modal-layout {
        grid-template-columns: 1fr;
        gap: 24px;
        padding-top: 0;
    }
    .modal-cover { max-width: 280px; margin: 0 auto; }
    .modal-rank { font-size: 56px; }
    .modal-titleZh { font-size: 24px; }
    .modal-meta { grid-template-columns: 1fr; gap: 16px; }
}

@media (max-width: 480px) {
    .top-banner { font-size: 10px; gap: 20px; }
    .album-grid { grid-template-columns: 1fr; }
}