:root {
    --bg: #0b0d10;
    --card: #131722;
    --text: #e6e8ee;
    --muted: #9aa0b4;
    --accent: #7aa2ff;
    --good: #4ade80;
    --mid: #facc15;
    --bad: #f87171;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background: radial-gradient(1200px 600px at 10% -10%, #1b2240 0%, transparent 60%), var(--bg);
    color: var(--text);
}

header {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 32px;
    padding: 48px;
    max-width: 1200px;
    margin: 0 auto;
}

@media (max-width: 900px) {
    header {
    grid-template-columns: 1fr;
    padding: 24px;
    }
}

.cover {
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,.6);
}

.cover img {
    width: 100%;
    display: block;
}

.album-info h1 {
    font-size: 40px;
    margin: 0 0 8px;
}

.album-info h2 {
    font-weight: 400;
    color: var(--muted);
    margin: 0 0 24px;
}

.meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

.meta div {
    background: var(--card);
    padding: 14px 16px;
    border-radius: 14px;
    font-size: 14px;
}

.links a {
    display: inline-block;
    margin-right: 12px;
    margin-bottom: 8px;
    padding: 10px 14px;
    border-radius: 999px;
    background: var(--card);
    color: var(--text);
    text-decoration: none;
    transition: background .2s, transform .2s;
}

.links a:hover {
    background: var(--accent);
    transform: translateY(-2px);
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 48px 64px;
}

@media (max-width: 900px) {
    main { padding: 0 24px 48px; }
}

.tracklist {
    background: var(--card);
    border-radius: 24px;
    overflow: hidden;
}

.track {
    display: grid;
    grid-template-columns: 48px 1fr auto;
    gap: 16px;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255,255,255,.05);
}

.track:last-child { border-bottom: none; }

.track img {
    width: 48px;
    height: 48px;
    border-radius: 10px;
}

.track-title {
    font-weight: 500;
}

.track-sub {
    font-size: 13px;
    color: var(--muted);
}

.rating {
    font-weight: 600;
    padding: 6px 10px;
    border-radius: 10px;
    min-width: 64px;
    text-align: center;
}

.track-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.go-btn {
    padding: 6px 14px;
    border-radius: 10px;
    background: var(--accent);
    color: #fff;
    font-size: 14px;
    text-decoration: none;
    font-weight: 500;
    transition: transform .2s, opacity .2s;
}

.go-btn:hover {
    transform: translateY(-1px);
    opacity: 0.9;
}

.rating.good { background: rgba(74,222,128,.15); color: var(--good); }
.rating.mid { background: rgba(250,204,21,.15); color: var(--mid); }
.rating.bad { background: rgba(248,113,113,.15); color: var(--bad); }

.summary {
    margin-top: 32px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.summary div {
    background: var(--card);
    padding: 20px;
    border-radius: 18px;
    font-size: 15px;
}

footer {
    text-align: center;
    color: var(--muted);
    padding: 24px;
    font-size: 13px;
}