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

:root {
    /* ═══════════════════════════════════════════
       E4B BRAND COLOR SYSTEM — v2.0
       The Symphonic Bridge Palette
       ═══════════════════════════════════════════ */

    /* ── Layer 1: Primary Identity (60% of surface) ── */
    --haven: #EDE8E0;
    /* Haven parchment — page background */
    --haven-warm: #E8E0D4;
    /* Warmer variant — blends, washes */
    --midnight: #0F172A;
    /* Midnight indigo — deep sections, player bar */

    /* ── Layer 2: Secondary/Supporting (30%) ── */
    --moss: #4A5D45;
    /* Botanical moss — growth, health */
    --teal: #3D8B84;
    /* Resonance teal — frequency, digital */
    --graphite: #33363D;
    /* Structural graphite — line-work, icons */

    /* ── Layer 3: Accent/CTA (10%) ── */
    --gold: #D4AF37;
    /* Conductive gold — prestige, highlights */
    --gold-glow: rgba(212, 175, 55, 0.3);
    --gold-dim: rgba(212, 175, 55, 0.12);
    --burgundy: #8B3A4A;
    /* Heartbeat burgundy — CTA, urgency */
    --burgundy-glow: rgba(139, 58, 74, 0.25);
    --burgundy-dim: rgba(139, 58, 74, 0.10);
    --violet: #6B3FA0;
    /* Chamber violet — resonance, mystical */
    --violet-dim: rgba(107, 63, 160, 0.10);
    --amber: #E8932A;
    /* Frequency amber — energy, glow */
    --amber-dim: rgba(232, 147, 42, 0.10);

    /* ── Layer 4: Warm Neutral Scale ── */
    --neutral-50: #FAF8F5;
    /* Lightest: subtle card bgs */
    --neutral-100: #F2EDE6;
    /* Input fields, alt backgrounds */
    --neutral-200: #E5DFD5;
    /* Light borders, dividers */
    --neutral-300: #D1C9BC;
    /* Disabled text, placeholder */
    --neutral-400: #B0A898;
    /* Muted icons, secondary borders */
    --neutral-500: #8A8278;
    /* Caption text, timestamps */
    --neutral-600: #6B6459;
    /* Secondary body text */
    --neutral-700: #4A453D;
    /* Primary body text */
    --neutral-800: #2D2A25;
    /* Headings, high-emphasis */
    --neutral-900: #1A1815;
    /* Maximum contrast */

    /* ── Layer 5: Semantic/Functional ── */
    --success: #4A7C59;
    /* Confirmation, completion */
    --success-soft: rgba(74, 124, 89, 0.10);
    --error: #A83232;
    /* Form errors, destructive */
    --error-soft: rgba(168, 50, 50, 0.10);
    --warning: #C68B2C;
    /* Caution, pending */
    --warning-soft: rgba(198, 139, 44, 0.10);
    --info: #3D7B84;
    /* Tips, information */
    --info-soft: rgba(61, 123, 132, 0.10);

    /* ── Semantic Aliases (mapped to tokens above) ── */
    --surface: var(--neutral-50);
    --surface-raised: #FFFFFF;
    --border: rgba(93, 87, 78, 0.15);
    --border-strong: rgba(93, 87, 78, 0.25);
    --text: var(--midnight);
    --text-muted: var(--neutral-600);
    --text-soft: var(--neutral-500);
    --text-caption: var(--neutral-400);
    --text-disabled: var(--neutral-300);

    /* ── Teal aliases (backward compat) ── */
    --cyan: var(--teal);
    --cyan-dim: rgba(61, 139, 132, 0.1);
    --parchment: var(--neutral-600);

    /* ── Typography ── */
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'DM Sans', system-ui, sans-serif;
}

html {
    scroll-behavior: smooth
}

body {
    font-family: var(--font-body);
    background:
        radial-gradient(ellipse at 20% 0%, rgba(61, 139, 132, 0.12), transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(212, 175, 55, 0.10), transparent 45%),
        radial-gradient(ellipse at 50% 60%, rgba(74, 93, 69, 0.08), transparent 50%),
        radial-gradient(ellipse at 30% 100%, rgba(61, 139, 132, 0.06), transparent 40%),
        linear-gradient(180deg, #E8E2D6 0%, #EDE8E0 20%, #F0EBE1 45%, #EAE3D5 70%, #E5DFD2 100%);
    background-attachment: fixed;
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    position: relative
}

/* ═══ Subtle Background Image ═══ */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    background: url('/assets/background.webp') top center / cover no-repeat fixed;
    opacity: 0.4;
    z-index: -1;
    pointer-events: none
}

/* ═══ Hero ═══ */
.hero {
    position: relative;
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 3.5rem 2rem 3rem;
    overflow: hidden
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 15% 30%, rgba(61, 139, 132, 0.10), transparent 50%),
        radial-gradient(ellipse at 85% 50%, rgba(212, 175, 55, 0.12), transparent 45%),
        radial-gradient(ellipse at 50% 80%, rgba(74, 93, 69, 0.08), transparent 50%);
    z-index: 0
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to top, rgba(234, 227, 213, 0.8), transparent);
    z-index: 1
}

.hero>* {
    position: relative;
    z-index: 2
}

.hero-badge {
    display: inline-block;
    font-family: 'Alex Brush', cursive;
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 400;
    background: linear-gradient(135deg, var(--graphite) 0%, var(--teal) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    letter-spacing: 0.01em;
    line-height: 1.2;
    filter: drop-shadow(0 1px 2px rgba(61, 139, 132, 0.15))
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: 1.25rem;
    letter-spacing: -0.01em
}

.hero h1 .gradient {
    background: linear-gradient(135deg, var(--gold) 0%, #8B7028 50%, var(--cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600
}

.hero-sub {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    color: var(--neutral-700);
    max-width: 600px;
    line-height: 1.6
}

/* ═══ Animated orbs ═══ */
.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: float 20s ease-in-out infinite;
    opacity: 0.5;
    z-index: 0;
    pointer-events: none
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: rgba(61, 139, 132, 0.12);
    top: -100px;
    left: -100px;
    animation-delay: 0s
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: rgba(212, 175, 55, 0.12);
    bottom: -50px;
    right: -80px;
    animation-delay: -7s
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: rgba(74, 93, 69, 0.10);
    top: 40%;
    left: 60%;
    animation-delay: -13s
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0)
    }

    33% {
        transform: translate(30px, -40px)
    }

    66% {
        transform: translate(-20px, 30px)
    }
}

/* ═══ Track List ═══ */
.tracks-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1.5rem 8rem
}

.section-label {
    font-size: clamp(1.5rem, 2.5vw, 1.777rem);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--cyan);
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem
}

.section-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, var(--border-strong), transparent)
}

.track-list {
    display: flex;
    flex-direction: column;
    gap: 4px
}

.track-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden
}

.track-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--surface);
    opacity: 0;
    transition: opacity 0.3s;
    border-radius: 12px;
    z-index: 0
}

.track-item:hover::before {
    opacity: 1
}

.track-item.active::before {
    opacity: 1;
    background: linear-gradient(135deg, rgba(61, 139, 132, 0.08), rgba(212, 175, 55, 0.06))
}

.track-item>* {
    position: relative;
    z-index: 1
}

.track-play-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    transition: all 0.25s;
    font-size: 1.1rem;
    flex-shrink: 0
}

.track-play-btn {
    background: var(--haven-warm);
    color: var(--text-muted);
    border: 1px solid var(--border)
}

.track-item:hover .track-play-btn {
    background: var(--gold);
    color: #FFFDF5;
    border-color: var(--gold);
    box-shadow: 0 0 20px var(--gold-glow)
}

.track-item.active .track-play-btn {
    background: var(--gold);
    color: #FFFDF5;
    border-color: var(--gold);
    box-shadow: 0 0 20px var(--gold-glow)
}

.track-item.playing .track-play-btn {
    animation: pulse 2s ease-in-out infinite
}

@keyframes pulse {

    0%,
    100% {
        box-shadow: 0 0 20px var(--gold-glow)
    }

    50% {
        box-shadow: 0 0 35px rgba(212, 175, 55, 0.4)
    }
}

.track-info {
    min-width: 0
}

.track-name {
    font-weight: 600;
    font-size: 1.125rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color 0.2s
}

.track-item.active .track-name {
    color: var(--gold)
}

.track-artist-name {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.15rem
}

.track-duration {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
    padding-left: 1rem
}

.track-color-bar {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    border-radius: 0 2px 2px 0;
    opacity: 0;
    transition: opacity 0.3s
}

.track-item.active .track-color-bar {
    opacity: 1
}

/* ═══ Empty state ═══ */
.empty-state {
    text-align: center;
    padding: 6rem 2rem;
    color: var(--text-muted)
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    opacity: 0.3
}

.empty-state h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--text-soft);
    margin-bottom: 0.5rem;
    font-weight: 400
}

/* ═══ Loading ═══ */
.loading {
    padding: 4rem 2rem;
    text-align: center
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-strong);
    border-top-color: var(--gold);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 1rem
}

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

.loading-text {
    color: var(--text-muted);
    font-size: 0.9rem
}

/* ═══ Fixed Player Bar ═══ */
.player-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.98), rgba(15, 23, 42, 0.94));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(61, 139, 132, 0.15);
    padding: 0;
    z-index: 100;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1)
}

.player-bar.visible {
    transform: translateY(0)
}

.player-progress-wrapper {
    height: 4px;
    background: rgba(237, 232, 224, 0.15);
    cursor: pointer;
    position: relative
}

.player-progress-wrapper:hover {
    height: 6px
}

.player-progress-wrapper:hover .player-progress-handle {
    opacity: 1;
    transform: scale(1)
}

.player-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--gold), var(--cyan));
    width: 0%;
    transition: none;
    position: relative
}

.player-progress-handle {
    position: absolute;
    right: -6px;
    top: 50%;
    width: 12px;
    height: 12px;
    background: var(--gold);
    border-radius: 50%;
    transform: scale(0);
    opacity: 0;
    transition: opacity 0.2s, transform 0.2s;
    margin-top: -6px;
    box-shadow: 0 0 8px var(--gold-glow)
}

.player-main {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1.5rem;
    padding: 0.875rem 1.5rem;
    max-width: 1000px;
    margin: 0 auto
}

.player-track {
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: 0
}

.player-art {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem
}

.player-track-info {
    min-width: 0
}

.player-track-name {
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: #EDE8E0
}

.player-track-artist {
    font-size: 0.8rem;
    color: #9A948B
}

.player-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem
}

.player-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    background: transparent;
    color: #9A948B;
    font-size: 1.1rem;
    transition: all 0.2s
}

.player-btn:hover {
    color: #EDE8E0
}

.player-btn.play-pause {
    width: 48px;
    height: 48px;
    background: var(--gold);
    color: var(--midnight);
    font-size: 1.2rem;
    box-shadow: 0 2px 15px var(--gold-glow)
}

.player-btn.play-pause:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 25px var(--gold-glow)
}

.player-right {
    display: flex;
    align-items: center;
    gap: 0.75rem
}

.player-time {
    font-size: 0.8rem;
    color: #9A948B;
    font-variant-numeric: tabular-nums;
    white-space: nowrap
}

.volume-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem
}

.volume-icon {
    color: #9A948B;
    font-size: 0.9rem;
    cursor: pointer
}

.volume-slider {
    width: 80px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(237, 232, 224, 0.2);
    border-radius: 2px;
    outline: none;
    cursor: pointer
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--gold);
    cursor: pointer;
    box-shadow: 0 0 6px var(--gold-glow)
}

/* ═══ Responsive ═══ */
@media(max-width:640px) {
    .hero {
        min-height: 50vh;
        padding: 2.5rem 1.5rem 2rem
    }

    .player-main {
        gap: 1rem;
        padding: 0.75rem 1rem
    }

    .player-controls {
        gap: 0.5rem
    }

    .volume-wrapper {
        display: none
    }

    .player-time {
        font-size: 0.75rem
    }

    .track-item {
        gap: 0.75rem;
        padding: 0.875rem 1rem
    }

    .track-play-btn {
        width: 44px;
        height: 44px;
        font-size: 0.95rem
    }
}

/* ═══ Fade-in animation ═══ */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.6s ease forwards
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0)
    }
}

.delay-1 {
    animation-delay: 0.1s
}

.delay-2 {
    animation-delay: 0.2s
}

.delay-3 {
    animation-delay: 0.3s
}

/* Nav styles loaded from /css/shared.css */