:root {
  color-scheme: dark;
  --bg: #08111d;
  --bg-strong: #0f1a2c;
  --panel: rgba(12, 20, 33, 0.82);
  --panel-strong: rgba(17, 29, 48, 0.94);
  --line: rgba(132, 182, 255, 0.16);
  --text: #f3f7ff;
  --muted: #99abc4;
  --mint: #46f2ca;
  --blue: #6da9ff;
  --gold: #f3c56d;
  --danger: #ff7d8f;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.32);
}

body[data-theme="midnight"] {
  --mint: #78b7ff;
  --blue: #9f82ff;
  --gold: #89d2ff;
}

body[data-theme="ember"] {
  --mint: #ff9f63;
  --blue: #ff6f7e;
  --gold: #ffd36a;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }

body {
  font-family: "Plus Jakarta Sans", Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(70, 242, 202, 0.12), transparent 22%),
    radial-gradient(circle at top right, rgba(109, 169, 255, 0.16), transparent 28%),
    linear-gradient(160deg, #07111d 0%, #0c1625 42%, #08101a 100%);
  color: var(--text);
  overflow-x: hidden;
}

.ambient {
  position: fixed;
  border-radius: 999px;
  filter: blur(90px);
  pointer-events: none;
  opacity: 0.4;
}

.ambient-a {
  width: 280px;
  height: 280px;
  left: -90px;
  top: -110px;
  background: rgba(70, 242, 202, 0.18);
}

.ambient-b {
  width: 260px;
  height: 260px;
  right: -70px;
  top: 140px;
  background: rgba(109, 169, 255, 0.2);
}

.page {
  position: relative;
  width: min(1280px, calc(100% - 24px));
  margin: 0 auto;
  padding: 18px 0 40px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.eyebrow {
  color: var(--mint);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.brand {
  margin: 8px 0 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2rem, 8vw, 4rem);
  line-height: 0.95;
  max-width: 10ch;
}

.topbar-actions {
  display: flex;
  gap: 10px;
}

.layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.player-panel,
.card,
.content-panel {
  border-radius: 28px;
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.player-panel {
  padding: 18px;
  background:
    radial-gradient(circle at top right, rgba(70, 242, 202, 0.14), transparent 28%),
    linear-gradient(180deg, rgba(17, 31, 52, 0.95), rgba(11, 20, 35, 0.95));
}

.cover-shell {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  border-radius: 24px;
  overflow: hidden;
  background:
    radial-gradient(circle at center, rgba(70, 242, 202, 0.16), transparent 50%),
    linear-gradient(145deg, rgba(70, 242, 202, 0.08), rgba(109, 169, 255, 0.08));
}

.cover-image,
.cover-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.cover-image {
  object-fit: cover;
}

.cover-fallback {
  display: grid;
  place-items: center;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: 0.24em;
  color: rgba(243, 247, 255, 0.9);
}

.track-block {
  margin-top: 18px;
}

.track-block h2 {
  margin: 8px 0 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.8rem, 6vw, 2.6rem);
  line-height: 1.02;
}

.muted {
  color: var(--muted);
}

.progress-wrap,
.extra-controls {
  margin-top: 18px;
}

.time-row,
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.time-row {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 8px;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--mint);
}

.player-controls {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 18px;
}

.player-controls button,
.ghost-button,
.primary-button,
.track-action,
.playlist-button {
  border: 0;
  border-radius: 18px;
  font: inherit;
}

.player-controls button,
.ghost-button,
.playlist-button,
.track-action {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.player-controls button {
  min-height: 50px;
}

.play-button,
.primary-button {
  background: linear-gradient(135deg, var(--mint), var(--blue));
  color: #07111d;
  font-weight: 700;
}

.primary-button {
  min-height: 48px;
  padding: 0 18px;
}

.ghost-button {
  min-height: 44px;
  padding: 0 16px;
}

.content-panel {
  padding: 16px;
  background:
    linear-gradient(180deg, rgba(9, 16, 28, 0.9), rgba(12, 22, 38, 0.88));
}

.section-header h2,
.section-header h3 {
  margin: 4px 0 0;
  font-family: "Space Grotesk", sans-serif;
}

.compact {
  margin-bottom: 14px;
}

.theme-picker {
  display: flex;
  align-items: center;
  gap: 10px;
}

select,
input,
textarea {
  width: 100%;
  min-height: 46px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 0 14px;
  font: inherit;
}

select[multiple] {
  min-height: 180px;
  padding: 10px;
}

.playlist-grid,
.track-list {
  display: grid;
  gap: 12px;
}

.playlist-button,
.track-item {
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.playlist-button {
  text-align: left;
}

.playlist-button strong,
.track-main strong {
  display: block;
  font-size: 1rem;
}

.playlist-button span,
.track-main span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.88rem;
}

.track-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
}

.track-thumb {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  object-fit: cover;
  background: rgba(255,255,255,0.05);
}

.track-actions {
  display: flex;
  gap: 8px;
}

.track-action {
  min-height: 38px;
  padding: 0 12px;
}

.card {
  padding: 16px;
  margin-top: 16px;
}

.stack-form {
  display: grid;
  gap: 14px;
}

.form-grid {
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.94rem;
}

.checkbox-row {
  grid-template-columns: auto 1fr;
  align-items: center;
}

.checkbox-row input {
  width: auto;
  min-height: auto;
}

.auth-dialog {
  width: min(960px, calc(100% - 24px));
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(8, 14, 24, 0.96);
  color: var(--text);
  padding: 0;
}

.auth-dialog::backdrop {
  background: rgba(3, 7, 12, 0.72);
}

.auth-shell {
  padding: 20px;
}

.auth-grid {
  display: grid;
  gap: 18px;
}

.auth-form {
  padding: 16px;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.03);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  min-width: 240px;
  max-width: calc(100% - 24px);
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(12, 19, 31, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  box-shadow: var(--shadow);
}

.hidden {
  display: none !important;
}

@media (min-width: 860px) {
  .page {
    width: min(1380px, calc(100% - 40px));
    padding: 28px 0 64px;
  }

  .layout {
    grid-template-columns: minmax(340px, 420px) minmax(0, 1fr);
    align-items: start;
  }

  .content-panel {
    padding: 20px;
  }

  .feature-grid,
  .form-grid,
  .auth-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}