:root {
    --bg: #0d0a08;
    --panel: rgba(24, 19, 15, 0.8);
    --line: rgba(214, 182, 128, 0.15);
    --line-strong: rgba(214, 182, 128, 0.34);
    --text: #f6ecde;
    --muted: #bfaf98;
    --gold: #d9ad67;
    --gold-soft: rgba(217, 173, 103, 0.12);
    --shadow: 0 26px 80px rgba(0, 0, 0, 0.38);
    --radius-xl: 32px;
    --radius-lg: 24px;
    --radius-pill: 999px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.overlay-open { overflow: hidden; }

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    font-family: "Manrope", "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at 8% 10%, rgba(166, 112, 57, 0.28), transparent 26rem),
        radial-gradient(circle at 94% 0%, rgba(100, 69, 42, 0.2), transparent 24rem),
        linear-gradient(180deg, #16110d 0%, #0d0a08 42%, #060504 100%);
}

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

.app-shell {
    width: min(1380px, calc(100vw - 2rem));
    margin: 0 auto;
    padding: 1rem 0 8rem;
}

.glass-card {
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    background: var(--panel);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow);
}

.hero {
    position: relative;
    overflow: hidden;
    padding: 1.25rem;
    border: 1px solid var(--line);
    border-radius: 40px;
    background:
        linear-gradient(135deg, rgba(19, 15, 12, 0.94), rgba(10, 9, 8, 0.98)),
        rgba(9, 8, 7, 0.96);
}

.hero__glow {
    position: absolute;
    width: 26rem;
    height: 26rem;
    border-radius: 50%;
    filter: blur(28px);
    opacity: 0.22;
    pointer-events: none;
}

.hero__glow--left {
    left: -9rem;
    top: -10rem;
    background: radial-gradient(circle, rgba(214, 161, 90, 0.96), transparent 70%);
}

.hero__glow--right {
    right: -9rem;
    bottom: -10rem;
    background: radial-gradient(circle, rgba(139, 94, 50, 0.88), transparent 70%);
}

.topbar,
.hero__grid,
.layout,
.control-grid,
.benchmark-grid,
.catalog-grid,
.detail-panel__grid {
    position: relative;
    z-index: 1;
}

.topbar,
.hero__actions,
.hero__ribbon,
.transport,
.preset-row,
.switch-row,
.track-card__meta,
.track-card__stats,
.track-card__tags,
.track-card__footer,
.track-card__buttons,
.dock__actions,
.detail-panel__chips {
    display: flex;
    gap: 0.8rem;
}

.topbar {
    align-items: center;
    justify-content: space-between;
    padding: 0.4rem 0.4rem 1.6rem;
}

.topbar__brand,
.topbar__links,
.hero__copy,
.hero__side,
.hero-cover,
.hero-cover__copy,
.pillar-grid,
.layout,
.control-shell,
.benchmark-shell,
.catalog-shell,
.section-heading,
.compare-grid,
.catalog-block,
.catalog-block__head,
.track-card,
.dock,
.dock__summary,
.detail-panel,
.detail-panel__content,
.detail-panel__section {
    display: flex;
    flex-direction: column;
}

.topbar__links { flex-direction: row; flex-wrap: wrap; }

.topbar__links a,
.button,
.preset,
.switch {
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.topbar__links a {
    padding: 0.74rem 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.03);
}

.topbar__links a:hover,
.button:hover,
.preset:hover,
.switch:hover { transform: translateY(-1px); border-color: var(--line-strong); }

.eyebrow,
.track-card__slot {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--muted);
    font-size: 0.72rem;
}

.topbar__title {
    margin-top: 0.34rem;
    font-family: "Cormorant Garamond", Georgia, serif;
    font-size: 1.78rem;
    font-weight: 600;
}

.hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(340px, 1fr);
    gap: 1rem;
}

.hero__copy,
.hero__side { padding: clamp(1.4rem, 3vw, 2.4rem); }

.hero__copy h1,
.section-heading h2,
.detail-panel__content h2 {
    margin: 0;
    font-family: "Cormorant Garamond", Georgia, serif;
    line-height: 0.95;
    letter-spacing: -0.03em;
}

.hero__copy h1 { max-width: 11ch; font-size: clamp(3.6rem, 8vw, 6.8rem); }
.hero__subtitle {
    margin: 0.9rem 0 0;
    color: #e9dbc8;
    font-size: 1.05rem;
    line-height: 1.7;
}

.hero__lead,
.metric-card p,
.upgrade-card p,
.benchmark-card p,
.catalog-shell .section-heading p:last-child,
.track-card__copy,
.track-card__detail,
.track-card__scene,
.track-card__benchmark,
.hero-cover__copy p,
.detail-panel__lead,
.detail-panel__section p,
.dock__meta {
    margin: 0;
    color: var(--muted);
    line-height: 1.72;
}

.hero__lead { max-width: 58ch; margin-top: 1.05rem; }
.hero__lead--sub { color: #e2d0b6; }
.hero__actions { flex-wrap: wrap; margin-top: 1.4rem; }
.hero__ribbon,
.track-card__stats,
.track-card__tags,
.detail-panel__chips { flex-wrap: wrap; }
.hero__ribbon { margin-top: 1.3rem; }

.hero__ribbon span,
.track-card__stats span,
.track-card__tags span,
.detail-panel__chips span {
    padding: 0.42rem 0.72rem;
    border-radius: var(--radius-pill);
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.04);
    color: var(--muted);
    font-size: 0.84rem;
}

.hero-cover {
    gap: 1rem;
    padding: 1.1rem;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    background:
        radial-gradient(circle at top left, rgba(217, 173, 103, 0.24), transparent 16rem),
        linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
}

.hero-cover__disc {
    aspect-ratio: 1;
    width: min(100%, 13rem);
    border-radius: 50%;
    background:
        radial-gradient(circle at center, rgba(255, 255, 255, 0.08), transparent 20%),
        radial-gradient(circle at center, rgba(216, 171, 99, 0.35), transparent 58%),
        linear-gradient(135deg, #15110f, #6e4527, #181310);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08), 0 20px 50px rgba(0,0,0,0.28);
}

.hero-cover__grid {
    min-height: 5rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.06);
    background:
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px) 0 0 / 1rem 1rem,
        linear-gradient(180deg, rgba(255,255,255,0.03) 1px, transparent 1px) 0 0 / 1rem 1rem,
        linear-gradient(135deg, rgba(217,173,103,0.1), rgba(255,255,255,0.01));
}

.pillar-grid,
.compare-grid { gap: 0.85rem; margin-top: 1rem; }

.metric-card,
.upgrade-card {
    padding: 1rem 1.05rem;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.03);
}

.metric-card strong { margin-top: 0.25rem; font-size: 1.06rem; }
.layout { gap: 1.2rem; margin-top: 1.25rem; }
.control-shell, .benchmark-shell, .catalog-shell, .page-map-shell { padding: 1.35rem; }
.section-heading { gap: 0.5rem; margin-bottom: 1.2rem; }
.section-heading h2 { font-size: clamp(2.2rem, 4vw, 4rem); }

.control-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(360px, 0.85fr);
    gap: 1rem;
}

.seek-field {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    margin-top: 0.9rem;
    color: var(--muted);
}

.seek-field input[type="range"] {
    width: 100%;
}

.page-map-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.page-map-card {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    padding: 1.05rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.06);
    background: rgba(255,255,255,0.03);
}

.page-map-card h3,
.page-map-card p {
    margin: 0;
}

.now-card, .tone-card { padding: 1.18rem; }
.card-header { display: flex; align-items: start; justify-content: space-between; gap: 1rem; }
.card-header h3, .catalog-block__head h3, .upgrade-card h3, .track-card__title { margin: 0.22rem 0 0; font-size: 1.18rem; }

.meter {
    display: grid;
    grid-template-columns: repeat(16, 1fr);
    align-items: end;
    gap: 0.35rem;
    min-height: 8.2rem;
    margin: 1rem 0;
    padding: 1rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(217, 173, 103, 0.16), rgba(255, 255, 255, 0)), rgba(255, 255, 255, 0.02);
}

.meter span {
    display: block;
    border-radius: 999px 999px 0 0;
    background: linear-gradient(180deg, #f1cf94, #9a6137);
    animation: meterPulse 1600ms ease-in-out infinite;
}

.meter span:nth-child(odd) { animation-delay: 120ms; }
.meter span:nth-child(3n) { animation-duration: 1200ms; }
.meter span:nth-child(4n) { animation-duration: 1820ms; }

@keyframes meterPulse {
    0%, 100% { height: 18%; opacity: 0.56; }
    50% { height: 92%; opacity: 1; }
}

.transport { align-items: center; justify-content: space-between; }
.transport__meta { display: grid; gap: 0.15rem; color: var(--muted); }

.button, .preset, .switch {
    appearance: none;
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    cursor: pointer;
    font: inherit;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3rem;
    padding: 0.82rem 1.2rem;
}

.button--primary {
    background: linear-gradient(135deg, #dfb26c, #b17641);
    color: #24170d;
    font-weight: 800;
}

.button--ghost, .preset, .switch {
    border-color: var(--line);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text);
}

.button:disabled { opacity: 0.5; cursor: not-allowed; }
.preset, .switch { min-height: 2.9rem; padding: 0.74rem 0.95rem; }

.preset.is-active, .switch.is-active, .track-card.is-selected {
    border-color: var(--line-strong);
    background: linear-gradient(180deg, rgba(217, 173, 103, 0.12), rgba(255, 255, 255, 0.03));
}

.switch-row { align-items: center; justify-content: space-between; margin-top: 1rem; }
.switch-row__copy { display: grid; gap: 0.3rem; }
.range-field { display: grid; gap: 0.55rem; margin-top: 1rem; color: var(--muted); }
input[type="range"] { width: 100%; accent-color: var(--gold); }

.benchmark-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 1rem;
}

.benchmark-card {
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.025);
}

.benchmark-card__meta { display: grid; gap: 0.3rem; margin-bottom: 0.4rem; }
.benchmark-card__meta a { font-weight: 700; }
.catalog-shell { gap: 1.5rem; }
.catalog-block { gap: 0.8rem; }

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.track-card { gap: 0.82rem; padding: 1.05rem; }
.track-card__art {
    min-height: 9.5rem;
    border-radius: calc(var(--radius-lg) - 2px);
    background:
        radial-gradient(circle at top left, color-mix(in srgb, var(--art-c) 46%, transparent), transparent 48%),
        linear-gradient(135deg, var(--art-a), var(--art-b) 52%, var(--art-c));
    border: 1px solid rgba(255,255,255,0.06);
}
.track-card__meta { align-items: center; justify-content: space-between; }
.track-card__title { margin: 0; }
.track-card__subtitle { margin: -0.15rem 0 0; color: #e4d0b2; font-size: 0.95rem; }
.track-card__scene, .track-card__benchmark { color: #d8c4a4; font-size: 0.92rem; }
.track-card__footer { align-items: center; justify-content: space-between; margin-top: auto; }
.track-card__status { color: var(--muted); font-size: 0.92rem; }
.track-card.is-loaded { border-color: var(--line-strong); }

.pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2rem;
    padding: 0.38rem 0.82rem;
    border-radius: var(--radius-pill);
    border: 1px solid var(--line);
    background: var(--gold-soft);
    color: #f5d2a0;
    font-size: 0.76rem;
}

.dock {
    position: fixed;
    left: 50%;
    bottom: 1rem;
    transform: translateX(-50%);
    width: min(1180px, calc(100vw - 1rem));
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1rem 0.9rem;
    border-radius: 24px;
    background: rgba(11, 9, 8, 0.95);
    z-index: 10;
    overflow: hidden;
}

.dock__progress {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 3px;
    background: rgba(255,255,255,0.05);
}

.dock__progress span {
    display: block;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, #d7a55d, #f3d19d);
}

.dock__summary { gap: 0.15rem; }

.detail-overlay {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    z-index: 20;
}

.detail-overlay.is-hidden { display: none; }

.detail-overlay__backdrop {
    position: absolute;
    inset: 0;
    border: 0;
    background: rgba(0, 0, 0, 0.62);
    cursor: pointer;
}

.detail-panel {
    position: relative;
    width: min(1100px, calc(100vw - 1rem));
    padding: 1rem;
    background: rgba(16, 13, 11, 0.96);
}

.detail-panel__close {
    align-self: end;
    padding: 0.6rem 0.85rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-pill);
    background: rgba(255,255,255,0.03);
    color: var(--text);
    cursor: pointer;
}

.detail-panel__grid {
    display: grid;
    grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1fr);
    gap: 1rem;
    margin-top: 0.7rem;
}

.detail-panel__art {
    min-height: 26rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.06);
    background:
        radial-gradient(circle at top left, color-mix(in srgb, var(--art-c) 46%, transparent), transparent 48%),
        linear-gradient(135deg, var(--art-a), var(--art-b) 52%, var(--art-c));
}

.detail-panel__content { gap: 0.9rem; }
.detail-panel__subtitle { margin: -0.5rem 0 0; color: #e3cfb3; font-size: 1.05rem; }
.detail-panel__section { gap: 0.3rem; }

@media (max-width: 1180px) {
    .hero__grid,
    .control-grid,
    .benchmark-grid,
    .catalog-grid,
    .detail-panel__grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
    .app-shell {
        width: min(100vw - 1rem, 100%);
        padding-bottom: 9.5rem;
    }

    .hero,
    .control-shell,
    .benchmark-shell,
    .catalog-shell,
    .detail-panel {
        padding: 1rem;
        border-radius: 26px;
    }

    .topbar,
    .transport,
    .switch-row,
    .track-card__footer,
    .track-card__buttons,
    .dock {
        flex-direction: column;
        align-items: stretch;
    }

    .hero__copy h1 { font-size: clamp(2.8rem, 15vw, 4.6rem); }
    .meter { min-height: 6.1rem; }
    .hero-cover__disc { width: 100%; }
    .detail-panel__art { min-height: 14rem; }
}