:root {
  color-scheme: light;
  --header-min-height: 58px;
  --bg: #f5f6f1;
  --panel: #ffffff;
  --chrome: #fbfcf8;
  --control: #ffffff;
  --chip: #fbfcf8;
  --empty-bg: rgba(255,255,255,.55);
  --active-soft: #f5faf5;
  --shadow: rgba(32, 35, 31, .08);
  --ink: #20231f;
  --muted: #686e65;
  --line: #d9ddd2;
  --accent: #1d6b5f;
  --accent-ink: #ffffff;
  --accent-alt: #3f5fa4;
  --accent-warm: #a45b3f;
  --accent-2: #a43f45;
  --soft: #e9efe9;
  --ok: #1d6b3e;
  --error: #a12b2b;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #151713;
  --panel: #20241f;
  --chrome: #1a1d18;
  --control: #171a16;
  --chip: #181c18;
  --empty-bg: rgba(32,36,31,.58);
  --active-soft: #18251d;
  --shadow: rgba(0, 0, 0, .32);
  --ink: #ecefe8;
  --muted: #aab2a6;
  --line: #3b4239;
  --accent: #58b7a8;
  --accent-ink: #08231f;
  --accent-alt: #84a0ec;
  --accent-warm: #d08a6f;
  --accent-2: #e0838a;
  --soft: #2d362e;
  --ok: #74c98b;
  --error: #ee8b8b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  padding-bottom: 310px;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  line-height: 1.45;
}
header {
  min-height: var(--header-min-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  padding: 10px 22px;
  border-bottom: 1px solid var(--line);
  background: var(--chrome);
}
h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0;
  flex: 0 0 auto;
}
main {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  min-height: calc(100vh - var(--header-min-height));
}
aside {
  border-right: 1px solid var(--line);
  background: var(--chrome);
  padding: 18px;
  overflow: auto;
}
section {
  padding: 20px 24px 32px;
  overflow: auto;
}
label {
  display: block;
  margin: 12px 0 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}
input, select {
  width: 100%;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--control);
  color: var(--ink);
  padding: 7px 9px;
  font: inherit;
}
button {
  min-height: 36px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 7px 12px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
button.secondary {
  background: var(--control);
  color: var(--accent);
}
button.active {
  background: var(--accent);
  color: var(--accent-ink);
}
button.danger {
  background: var(--control);
  border-color: var(--accent-2);
  color: var(--accent-2);
}
button:disabled {
  opacity: .55;
  cursor: default;
}
.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
  min-width: 0;
}
.status {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--ok);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  white-space: nowrap;
}
.topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}
.topline h2 {
  margin: 0 0 4px;
  font-size: 20px;
  letter-spacing: 0;
}
.meta {
  color: var(--muted);
  font-size: 12px;
  margin-top: 3px;
}
.summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(130px, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}
.metric, .chart-panel, .stats-table-wrap, .report-panel, .news-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}
.metric {
  padding: 11px 12px;
}
.metric strong {
  display: block;
  font-size: 18px;
}
.metric span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}
.stats-toolbar {
  display: flex;
  gap: 10px;
  align-items: end;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.stats-toolbar label {
  margin-top: 0;
}
.stats-select {
  min-width: 180px;
}
.news-list {
  display: grid;
  gap: 12px;
}
.news-item {
  padding: 14px 16px;
}
.news-item h3 {
  margin: 0;
  font-size: 16px;
}
.news-body {
  margin-top: 10px;
  white-space: pre-wrap;
}
.charts {
  display: grid;
  grid-template-columns: repeat(2, minmax(280px, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}
.chart-panel {
  padding: 12px;
  min-width: 0;
}
.chart-panel h3, .report-panel h3 {
  margin: 0 0 10px;
  font-size: 14px;
}
.bar-row {
  display: grid;
  grid-template-columns: minmax(86px, 150px) minmax(0, 1fr) 48px;
  gap: 8px;
  align-items: center;
  min-height: 28px;
  font-size: 12px;
}
.bar-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--muted);
  font-weight: 700;
}
.bar-track {
  height: 12px;
  border-radius: 999px;
  background: var(--soft);
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  border-radius: 999px;
  background: var(--accent);
}
.bar-fill.alt { background: var(--accent-alt); }
.bar-fill.warm { background: var(--accent-warm); }
.bar-value {
  text-align: right;
  font-weight: 800;
}
.stats-table-wrap {
  overflow: auto;
}
table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  margin: 0;
  font-size: 12px;
}
th, td {
  text-align: left;
  padding: 6px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
th {
  color: var(--muted);
  font-weight: 800;
}
a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
}
.title-link {
  border: 0;
  background: transparent;
  color: var(--accent);
  min-height: 0;
  padding: 0;
  text-align: left;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}
.album-list {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}
.upload-panel {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.upload-panel input[type="file"] {
  min-height: 0;
  padding: 8px;
}
.upload-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}
.album-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 10px;
  cursor: pointer;
}
.album-item.active {
  border-color: var(--accent);
  box-shadow: inset 3px 0 0 var(--accent);
}
.album-title {
  font-weight: 800;
  overflow-wrap: anywhere;
}
.report-layout {
  display: grid;
  gap: 14px;
}
.report-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(260px, 1fr));
  gap: 12px;
}
.report-panel {
  padding: 12px;
  min-width: 0;
}
.report-panel dl {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) minmax(0, 1.4fr);
  gap: 6px 12px;
  margin: 0;
  font-size: 12px;
}
.report-panel dt {
  color: var(--muted);
  font-weight: 800;
}
.report-panel dd {
  margin: 0;
  min-width: 0;
  overflow-wrap: anywhere;
  font-weight: 650;
}
.report-panel ul {
  margin: 0;
  padding-left: 18px;
}
.report-panel li + li {
  margin-top: 5px;
}
.report-wide {
  grid-column: 1 / -1;
}
.score-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(90px, 1fr));
  gap: 6px;
  margin-bottom: 10px;
}
.score-chip {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 8px;
  background: var(--chip);
}
.score-chip strong {
  display: block;
  font-size: 14px;
}
.score-chip span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}
.empty {
  padding: 32px;
  color: var(--muted);
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: var(--empty-bg);
}
.global-player {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(180px, 300px) minmax(0, 1fr) minmax(260px, 380px);
  gap: 14px;
  align-items: center;
  min-height: 230px;
  padding: 12px 22px;
  border-top: 1px solid var(--line);
  background: var(--chrome);
  box-shadow: 0 -8px 24px var(--shadow);
}
.global-player-title {
  min-width: 0;
}
.global-player-title strong,
.global-player-title span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.global-player-title span {
  color: var(--muted);
  font-size: 12px;
  margin-top: 2px;
}
.player-stage {
  display: grid;
  gap: 10px;
  min-width: 0;
}
.player-stage audio {
  width: 100%;
  height: 36px;
}
.karaoke-stage {
  position: relative;
  min-height: 156px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    radial-gradient(circle at 18% 24%, rgba(29,107,95,.16), transparent 34%),
    radial-gradient(circle at 78% 16%, rgba(164,91,63,.13), transparent 30%),
    linear-gradient(135deg, var(--panel), var(--chrome));
}
.karaoke-copy {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: center;
  gap: 5px;
  min-height: 156px;
  padding: 18px 20px;
  text-align: center;
  pointer-events: none;
}
.karaoke-line {
  overflow-wrap: anywhere;
  text-wrap: balance;
  text-shadow: 0 1px 10px var(--panel);
}
.karaoke-line.previous,
.karaoke-line.next {
  min-height: 18px;
  color: var(--muted);
  font-size: 12px;
  opacity: .78;
}
.karaoke-line.current {
  min-height: 34px;
  color: var(--ink);
  font-size: 22px;
  font-weight: 800;
  line-height: 1.2;
}
.karaoke-line.empty {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}
.karaoke-controls {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 2;
  display: grid;
  gap: 6px;
}
.karaoke-controls button {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  min-height: 30px;
  padding: 0;
  border-radius: 6px;
  background: color-mix(in srgb, var(--control) 86%, transparent);
  color: var(--accent);
  line-height: 1;
}
.karaoke-controls button:disabled {
  opacity: .38;
}
.playlist {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  overflow: hidden;
}
.playlist-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 7px 9px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--muted);
}
.playlist-list {
  max-height: 82px;
  overflow: auto;
}
.playlist-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 8px;
  align-items: center;
  min-height: 34px;
  padding: 5px 8px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}
.playlist-item:last-child { border-bottom: 0; }
.playlist-item.active {
  box-shadow: inset 3px 0 0 var(--ok);
  background: var(--active-soft);
}
.playlist-item-title {
  min-width: 0;
}
.playlist-item-title strong,
.playlist-item-title span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.playlist-item-title span {
  color: var(--muted);
  font-size: 11px;
  margin-top: 1px;
}
.playlist-item button {
  min-height: 26px;
  padding: 3px 7px;
  font-size: 12px;
}
button.playing {
  background: var(--ok);
  border-color: var(--ok);
  color: var(--accent-ink);
}
.graph-panel { border: 1px solid var(--line); border-radius: 8px; background: var(--panel); padding: 12px; }
.graph-scroll { width: 100%; overflow-x: auto; }
.song-graph { display: block; width: 100%; min-width: 680px; height: auto; }
.graph-plot-bg { fill: var(--chrome); stroke: var(--line); }
.graph-grid { stroke: var(--line); stroke-width: 1; vector-effect: non-scaling-stroke; }
.graph-zero { stroke: var(--muted); stroke-width: 1.5; }
.graph-tick, .graph-axis-end { fill: var(--muted); font-family: inherit; font-size: 13px; }
.graph-axis-end { fill: var(--ink); font-size: 14px; font-weight: 700; }
.graph-point { stroke: var(--panel); stroke-width: 2; opacity: .86; cursor: pointer; transition: r .12s ease, opacity .12s ease, stroke-width .12s ease; }
.graph-point:hover, .graph-point:focus { r: 10px; opacity: 1; stroke-width: 3; outline: none; }
.graph-point-dimmed { opacity: .12; }
.graph-point-selected { opacity: 1; stroke-width: 3; }
.graph-legend { display: flex; flex-wrap: wrap; gap: 7px 14px; padding: 8px 8px 2px; color: var(--muted); font-size: 12px; }
.graph-legend-item { display: inline-flex; align-items: center; gap: 6px; min-height: 28px; padding: 3px 7px; border-color: transparent; background: transparent; color: var(--muted); font-size: 12px; font-weight: 600; }
.graph-legend-item:hover { border-color: var(--line); background: var(--chrome); color: var(--ink); }
.graph-legend-item.active { border-color: var(--accent); background: var(--soft); color: var(--ink); }
.graph-legend i { width: 10px; height: 10px; border-radius: 50%; background: var(--legend-color); box-shadow: 0 0 0 1px var(--line); }
@media (max-width: 900px) {
  body { padding-bottom: 390px; }
  main { grid-template-columns: 1fr; }
  aside { border-right: 0; border-bottom: 1px solid var(--line); }
  .summary { grid-template-columns: 1fr 1fr; }
  .charts, .report-grid { grid-template-columns: 1fr; }
  .score-summary { grid-template-columns: 1fr 1fr; }
  .global-player {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 10px 14px;
  }
  .playlist-list { max-height: 92px; }
}
@media (max-width: 560px) {
  header {
    align-items: flex-start;
    padding: 10px 14px;
  }
  .header-actions {
    justify-content: flex-start;
    width: 100%;
  }
  .header-actions .status {
    flex-basis: 100%;
    width: fit-content;
  }
}