:root {
  color-scheme: light;
  --bg: #f7f6f2;
  --panel: #ffffff;
  --panel-strong: #fff9ef;
  --ink: #211f1c;
  --muted: #6b645c;
  --line: #ded8cf;
  --accent: #d94d2b;
  --accent-strong: #b9341c;
  --accent-soft: #ffe0d5;
  --green: #11876f;
  --yellow: #f4b740;
  --shadow: 0 16px 40px rgba(33, 31, 28, 0.08);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(217, 77, 43, 0.16), transparent 28rem),
    linear-gradient(180deg, #fffaf2 0%, var(--bg) 38%, #f3f1ec 100%);
  color: var(--ink);
  min-height: 100vh;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  padding: 2rem clamp(1rem, 4vw, 3rem) 1rem;
  max-width: 1480px;
  margin: 0 auto;
}

.app-header h1 {
  margin: 0;
  font-size: clamp(2.1rem, 5vw, 4.8rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.subtitle {
  max-width: 720px;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.55;
}

.eyebrow {
  margin: 0 0 0.45rem;
  color: var(--accent-strong);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.74rem;
  font-weight: 800;
}

.header-actions,
.voice-actions,
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 370px);
  gap: 1rem;
  max-width: 1480px;
  margin: 0 auto;
  padding: 1rem clamp(1rem, 4vw, 3rem) 3rem;
}

section,
aside {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(222, 216, 207, 0.9);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.control-panel,
.player-panel,
.suggestions-panel,
.library-panel,
.voice-panel,
.score-panel {
  grid-column: 1;
}

.queue-panel {
  grid-column: 2;
  grid-row: 1 / span 3;
  align-self: start;
  position: sticky;
  top: 1rem;
}

.panel-heading,
.now-playing {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  padding: 1rem;
}

.panel-heading.split,
.now-playing {
  justify-content: space-between;
}

.heading-inline {
  display: flex;
  gap: 0.9rem;
}

.panel-heading h2,
.now-playing h2 {
  margin: 0;
  font-size: 1.2rem;
}

.panel-heading p,
.now-playing p {
  margin: 0.25rem 0 0;
  color: var(--muted);
  line-height: 1.45;
}

.step-badge {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 900;
  flex: 0 0 auto;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  padding: 0 1rem 1rem;
}

label {
  display: grid;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 8px;
  padding: 0.75rem 0.8rem;
  min-height: 2.75rem;
}

input:focus,
select:focus,
button:focus-visible {
  outline: 3px solid rgba(217, 77, 43, 0.22);
  outline-offset: 2px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 8px;
  min-height: 2.7rem;
  padding: 0.75rem 1rem;
  font-weight: 850;
  background: var(--ink);
  color: #fff;
  text-decoration: none;
  transition:
    transform 160ms ease,
    background 160ms ease,
    opacity 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: var(--accent);
}

.button.primary:hover {
  background: var(--accent-strong);
}

.button.secondary {
  background: #f1ece5;
  color: var(--ink);
}

.button.tiny {
  min-height: 2.2rem;
  padding: 0.55rem 0.75rem;
  font-size: 0.85rem;
}

.button.full {
  width: calc(100% - 2rem);
  margin: 0 1rem 1rem;
}

.file-button {
  display: inline-flex;
  align-items: center;
}

input[type="file"] {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.mode-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding: 0 1rem 1rem;
}

.drive-folder-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin: 0 1rem 1rem;
  padding: 0.9rem;
  border: 1px solid rgba(217, 77, 43, 0.24);
  border-radius: 8px;
  background: #fff4ed;
}

.drive-folder-card div {
  display: grid;
  gap: 0.2rem;
}

.drive-folder-card span {
  color: var(--muted);
  line-height: 1.4;
}

.chip {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  border-radius: 999px;
  padding: 0.55rem 0.8rem;
  font-weight: 850;
}

.chip.is-active {
  border-color: rgba(217, 77, 43, 0.4);
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.video-frame {
  margin: 0 1rem 1rem;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #1c1b19;
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
}

.video-frame iframe,
.video-frame video {
  width: 100%;
  height: 100%;
  border: 0;
}

.empty-player {
  color: #fff;
  display: grid;
  gap: 0.4rem;
  text-align: center;
  padding: 1.5rem;
}

.empty-player span {
  color: rgba(255, 255, 255, 0.72);
  max-width: 520px;
}

.source-switcher {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
  margin: -0.2rem 1rem 1rem;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.source-switcher.is-visible {
  display: flex;
}

.source-label {
  display: grid;
  gap: 0.2rem;
}

.source-label span {
  color: var(--muted);
  font-weight: 850;
}

.source-label small {
  color: var(--muted);
}

.source-control-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.source-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: flex-end;
}

.source-option {
  border: 1px solid var(--line);
  background: #f8f3ec;
  color: var(--ink);
  border-radius: 8px;
  padding: 0.55rem 0.75rem;
  font-weight: 850;
}

.source-option.is-active {
  border-color: rgba(217, 77, 43, 0.45);
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.open-source-link {
  white-space: nowrap;
}

.suggestion-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  padding: 0 1rem 1rem;
}

.suggestion-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.9rem;
  background: var(--panel-strong);
  display: grid;
  gap: 0.75rem;
}

.suggestion-card strong {
  font-size: 0.85rem;
  color: var(--accent-strong);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.suggestion-card h3 {
  margin: 0;
  font-size: 1.05rem;
}

.suggestion-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.4;
}

.song-form {
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}

.song-form.is-hidden {
  display: none;
}

.checkbox-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink);
}

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

.search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(140px, 220px);
  gap: 0.75rem;
  padding: 0 1rem 1rem;
}

.song-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  padding: 0 1rem 1rem;
}

.song-card,
.queue-item,
.history-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.song-card {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 0.9rem;
}

.song-card h3 {
  margin: 0 0 0.2rem;
  font-size: 1rem;
}

.song-card p {
  margin: 0 0 0.55rem;
  color: var(--muted);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tag {
  border-radius: 999px;
  background: #f1ece5;
  color: #5b534b;
  padding: 0.25rem 0.5rem;
  font-size: 0.74rem;
  font-weight: 800;
}

.song-actions {
  display: grid;
  align-content: start;
  gap: 0.45rem;
  flex: 0 0 auto;
}

.queue-list,
.history-list {
  display: grid;
  gap: 0.65rem;
  padding: 0 1rem 1rem;
}

.queue-item,
.history-item {
  padding: 0.8rem;
  display: grid;
  gap: 0.35rem;
}

.queue-item strong,
.history-item strong {
  font-size: 0.96rem;
}

.queue-item span,
.history-item span {
  color: var(--muted);
  font-size: 0.86rem;
}

.meters {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  padding: 0 1rem 1rem;
}

.meter-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 1rem;
  display: grid;
  gap: 0.35rem;
}

.meter-card span,
.meter-card small {
  color: var(--muted);
}

.meter-card strong {
  font-size: 1.7rem;
}

.bar-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem 1rem;
  padding: 0 1rem 1rem;
}

.bar-grid label {
  display: flex;
  justify-content: space-between;
  font-size: 0.86rem;
}

.bar {
  height: 0.75rem;
  border-radius: 999px;
  background: #ece6dd;
  overflow: hidden;
}

.bar span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--yellow), var(--green));
  transition: width 180ms ease;
}

.note {
  margin: 0 1rem 1rem;
  color: var(--muted);
  line-height: 1.5;
  background: #f8f1e8;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.85rem;
}

.score-controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  padding: 0 1rem 1rem;
}

.final-score {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin: 0 1rem 1rem;
  padding: 1rem;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.final-score span {
  color: var(--muted);
  font-weight: 800;
}

.final-score strong {
  display: block;
  font-size: 2.2rem;
  margin: 0.1rem 0;
}

.final-score p {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 1120px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .queue-panel,
  .control-panel,
  .player-panel,
  .suggestions-panel,
  .library-panel,
  .voice-panel,
  .score-panel {
    grid-column: 1;
    grid-row: auto;
  }

  .queue-panel {
    position: static;
  }
}

@media (max-width: 760px) {
  .app-header,
  .now-playing,
  .panel-heading.split,
  .final-score {
    flex-direction: column;
  }

  .header-actions,
  .voice-actions {
    width: 100%;
  }

  .header-actions .button,
  .voice-actions .button,
  .now-playing .button,
  .final-score .button,
  .drive-folder-card .button {
    width: 100%;
  }

  .drive-folder-card {
    flex-direction: column;
    align-items: stretch;
  }

  .field-grid,
  .suggestion-grid,
  .song-list,
  .meters,
  .bar-grid,
  .score-controls,
  .search-row {
    grid-template-columns: 1fr;
  }

  .source-switcher {
    align-items: stretch;
    flex-direction: column;
  }

  .source-control-group {
    align-items: stretch;
    flex-direction: column;
  }

  .source-options {
    justify-content: stretch;
  }

  .source-option {
    flex: 1 1 auto;
  }

  .open-source-link {
    width: 100%;
  }

  .song-card {
    flex-direction: column;
  }

  .song-actions {
    grid-template-columns: 1fr 1fr;
  }
}