:root {
  color-scheme: dark;
  --page-bg: #06101d;
  --page-bg-deep: #040b14;
  --surface: #0d1c2e;
  --surface-raised: #11243a;
  --surface-hover: #142a43;
  --border: rgba(148, 180, 211, 0.18);
  --border-accent: rgba(168, 145, 255, 0.36);
  --text: #f3f8fc;
  --text-secondary: #9db0c5;
  --accent: #b9a9ff;
  --accent-strong: #8e74ff;
  --accent-soft: rgba(142, 116, 255, 0.12);
  --online: #4fd18b;
  --shadow-card: 0 14px 34px rgba(0, 0, 0, 0.22);
  --radius-large: 28px;
  --radius-card: 18px;
}

* { box-sizing: border-box; }

html { min-width: 320px; background: var(--page-bg); }

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 85% 5%, rgba(142, 116, 255, .15), transparent 30rem),
    radial-gradient(circle at 8% 30%, rgba(40, 121, 181, .12), transparent 34rem),
    linear-gradient(180deg, var(--page-bg), var(--page-bg-deep));
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .018) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, #000, transparent 78%);
}

a { color: inherit; }

.music-shell {
  width: min(100% - 64px, 1040px);
  margin-inline: auto;
  padding: 96px 0 56px;
}

.music-header { margin-bottom: 28px; }
.eyebrow {
  margin: 0 0 8px;
  font-size: .68rem;
  font-weight: 750;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
}

h1, h2, p { margin-top: 0; }
h1 {
  margin-bottom: 8px;
  font-size: clamp(2.1rem, 6vw, 4.6rem);
  line-height: 1;
  letter-spacing: -.05em;
}
h2 { margin: 34px 0 14px; font-size: 1.15rem; }
.music-intro { max-width: 600px; margin-bottom: 0; color: var(--text-secondary); line-height: 1.55; }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 34px;
  padding: 7px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(13, 28, 46, .72);
  box-shadow: var(--shadow-card);
}

.nav a {
  display: inline-flex;
  min-height: 42px;
  flex: 1 1 auto;
  align-items: center;
  justify-content: center;
  padding: 9px 14px;
  border-radius: 9px;
  color: var(--text-secondary);
  font-size: .78rem;
  font-weight: 700;
  text-decoration: none;
  transition: color .2s ease, background .2s ease;
}

.nav a:hover,
.nav a:focus-visible,
.nav a[aria-current="page"] {
  color: var(--text);
  outline: none;
  background: var(--accent-soft);
}

.music-hero {
  position: relative;
  min-height: 290px;
  overflow: hidden;
  padding: clamp(30px, 6vw, 58px);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-large);
  background:
    radial-gradient(circle at 86% 50%, rgba(142, 116, 255, .23), transparent 14rem),
    linear-gradient(145deg, #192744, var(--surface));
  box-shadow: 0 26px 66px rgba(0, 0, 0, .3);
}

.music-hero::after {
  position: absolute;
  right: clamp(24px, 7vw, 72px);
  top: 50%;
  content: "♫";
  font-size: clamp(7rem, 20vw, 13rem);
  color: rgba(220, 211, 255, .16);
  transform: translateY(-50%) rotate(-8deg);
}

.music-hero__content { position: relative; z-index: 1; max-width: 620px; }
.music-hero h1 { max-width: 520px; margin-bottom: 18px; }

.music-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.card {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: linear-gradient(145deg, var(--surface-raised), var(--surface));
  box-shadow: var(--shadow-card);
}

.card.big {
  position: relative;
  display: flex;
  min-height: 152px;
  flex-direction: column;
  justify-content: flex-end;
  gap: 10px;
  padding: 24px;
  overflow: hidden;
  font-size: 1.12rem;
  font-weight: 750;
  text-decoration: none;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.card.big::before {
  align-self: flex-start;
  content: attr(data-icon);
  font-size: 2rem;
  color: var(--accent);
}
.card.big::after { content: attr(data-description); font-size: .74rem; font-weight: 500; line-height: 1.4; color: var(--text-secondary); }
.card.big:hover, .card.big:focus-visible { border-color: var(--border-accent); outline: none; background: linear-gradient(145deg, var(--surface-hover), var(--surface)); transform: translateY(-3px); }

.track {
  display: grid;
  grid-template-columns: auto 56px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
}

#artists .track,
#tracks .track { grid-template-columns: 56px minmax(0, 1fr) auto; }

.track img {
  width: 56px;
  height: 56px;
  margin: 0;
  border-radius: 10px;
  object-fit: cover;
  background: var(--surface-hover);
}

.info { min-width: 0; }
.name { overflow-wrap: anywhere; font-weight: 750; }
.sub { margin-top: 4px; overflow-wrap: anywhere; color: var(--text-secondary); font-size: .82rem; }
.plays { color: var(--accent); font-size: .8rem; font-weight: 750; }

.section-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin: 34px 0 14px;
}
.section-title h2 { margin: 0; }
.section-status { font-size: .74rem; color: var(--text-secondary); }
.rankings-title { margin-top: 46px; }

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.stat-card {
  display: flex;
  min-width: 0;
  min-height: 112px;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(13, 28, 46, .76);
}
.stat-card span { font-size: .68rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; color: var(--text-secondary); }
.stat-card strong { overflow: hidden; font-size: clamp(1.55rem, 4vw, 2.15rem); line-height: 1; text-overflow: ellipsis; white-space: nowrap; }
.stat-card small { font-size: .68rem; line-height: 1.35; color: var(--text-secondary); }
.stat-card--text strong { font-size: 1rem; line-height: 1.25; white-space: normal; }

.activity-chart {
  display: grid;
  min-height: 230px;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  align-items: end;
  gap: clamp(6px, 2vw, 16px);
  margin-top: 14px;
  padding: 22px 18px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: rgba(4, 11, 20, .34);
}
.activity-day { display: grid; height: 190px; grid-template-rows: 22px minmax(0, 1fr) 24px; gap: 7px; text-align: center; }
.activity-value { font-size: .72rem; font-weight: 750; color: var(--text-secondary); }
.activity-bar { position: relative; display: flex; height: 100%; align-items: end; overflow: hidden; border-radius: 8px 8px 3px 3px; background: rgba(255, 255, 255, .035); }
.activity-bar span { display: block; width: 100%; min-height: 4px; border-radius: inherit; background: linear-gradient(180deg, var(--accent), var(--accent-strong)); }
.activity-label { font-size: .7rem; font-weight: 700; color: var(--text-secondary); }

.ranking-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.ranking-grid h2, #albums > h2 { margin-top: 0; }
#albums { margin-top: 34px; }
.album-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.album-card { min-width: 0; padding: 12px; border: 1px solid var(--border); border-radius: 14px; background: linear-gradient(145deg, var(--surface-raised), var(--surface)); }
.album-card img { display: block; width: 100%; aspect-ratio: 1; margin: 0 0 12px; border-radius: 9px; object-fit: cover; background: var(--surface-hover); }
.album-card .name, .album-card .sub { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.album-card .plays { margin-top: 10px; }

.recent-section { margin-top: 42px; }
.recent-track { grid-template-columns: 56px minmax(0, 1fr) auto; }
.recent-time { font-size: .72rem; color: var(--text-secondary); }
.loading-state, .error-state { padding: 18px; border: 1px solid var(--border); border-radius: 14px; color: var(--text-secondary); background: rgba(13, 28, 46, .66); }
.error-state { border-color: rgba(240, 113, 130, .35); color: #f5a3af; }
.music-footer { margin-top: 52px; padding-top: 22px; border-top: 1px solid var(--border); font-size: .7rem; color: var(--text-secondary); text-align: center; }

.chart-tools { display: grid; grid-template-columns: minmax(0, 1fr) minmax(210px, 280px); align-items: end; gap: 18px; margin-bottom: 22px; }
.chart-tools .controls { margin-bottom: 0; }
.chart-periods { gap: 6px; }
.chart-periods button { padding-inline: 12px; }
.search-field { display: flex; flex-direction: column; gap: 7px; font-size: .7rem; font-weight: 700; color: var(--text-secondary); }
.search-field input { width: 100%; min-height: 42px; padding: 9px 13px; border: 1px solid var(--border); border-radius: 10px; color: var(--text); font: inherit; background: var(--surface); }
.search-field input:focus { border-color: var(--border-accent); outline: 2px solid var(--accent-soft); }
.chart-rank { width: 40px; font-size: .78rem; font-weight: 750; color: var(--text-secondary); }

.controls { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 22px; }
button {
  min-height: 42px;
  margin: 0;
  padding: 9px 15px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-secondary);
  font: inherit;
  font-size: .78rem;
  font-weight: 700;
  cursor: pointer;
  background: rgba(255, 255, 255, .03);
}
button:hover, button:focus-visible { border-color: var(--border-accent); color: var(--text); outline: none; }
button.active { border-color: var(--accent); color: #090616; background: var(--accent); }

.now-playing-card { display: grid; max-width: 660px; grid-template-columns: 190px minmax(0, 1fr); align-items: center; gap: 26px; padding: 26px; }
.now-playing-card #cover { width: 190px; height: 190px; margin: 0; border-radius: 14px; object-fit: cover; background: var(--surface-hover); }
.now-playing-card .name { font-size: clamp(1.4rem, 4vw, 2.1rem); }
#status { margin-top: 16px; font-size: .78rem; font-weight: 750; color: var(--online); }

@media (max-width: 720px) {
  .music-shell { width: min(100% - 32px, 660px); }
  .music-actions { grid-template-columns: 1fr; }
  .card.big { min-height: 124px; }
  .summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ranking-grid { grid-template-columns: 1fr; }
  .album-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .chart-tools { grid-template-columns: 1fr; align-items: stretch; }
}

@media (max-width: 560px) {
  .music-shell { width: calc(100% - 24px); padding: 78px 0 36px; }
  .music-header { margin-bottom: 22px; }
  .music-hero { min-height: 330px; padding: 28px 22px; }
  .music-hero::after { top: auto; right: 20px; bottom: -28px; transform: rotate(-8deg); }
  .nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-bottom: 24px; }
  .nav a { min-height: 44px; padding-inline: 8px; }
  .track { grid-template-columns: 34px 48px minmax(0, 1fr) auto; gap: 10px; padding: 13px; }
  #artists .track,
  #tracks .track { grid-template-columns: 48px minmax(0, 1fr) auto; }
  .track img { width: 48px; height: 48px; }
  .plays { max-width: 52px; text-align: right; }
  .now-playing-card { grid-template-columns: 1fr; padding: 18px; text-align: center; }
  .now-playing-card #cover { width: min(100%, 260px); height: auto; aspect-ratio: 1; justify-self: center; }
  .controls { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  button { min-height: 44px; padding-inline: 8px; }
  .section-title { align-items: flex-start; flex-direction: column; gap: 5px; }
  .stat-card { min-height: 96px; padding: 14px; }
  .activity-chart { min-height: 205px; gap: 5px; padding-inline: 10px; }
  .activity-day { height: 165px; }
  .recent-track { grid-template-columns: 48px minmax(0, 1fr); }
  .recent-time { grid-column: 2; }
  .chart-periods { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .chart-periods button { padding-inline: 5px; }
}

@media (prefers-reduced-motion: reduce) {
  .card.big, .nav a { transition: none; }
}