/* src/style.css */
:root {
  --bg: #0b0c0e;
  --bg-2: #101216;
  --panel: #14171c;
  --panel-2: #191d23;
  --line: #262b33;
  --line-soft: #1d2127;
  --ink: #e9e6df;
  --ink-dim: #9aa0aa;
  --ink-faint: #6b717c;
  --accent: #e0a458;
  --accent-soft: rgba(224, 164, 88, 0.14);
  --accent-line: rgba(224, 164, 88, 0.4);
  --cool: #7fb3c4;
  --danger: #c96a5e;
  --radius: 10px;
  --serif:
    "Iowan Old Style",
    "Palatino Linotype",
    Palatino,
    Georgia,
    "Songti SC",
    serif;
  --sans:
    -apple-system,
    BlinkMacSystemFont,
    "SF Pro Text",
    "Helvetica Neue",
    "PingFang SC",
    "Hiragino Sans GB",
    system-ui,
    sans-serif;
  --mono:
    ui-monospace,
    "SF Mono",
    Menlo,
    monospace;
}
* {
  box-sizing: border-box;
}
[hidden] {
  display: none !important;
}
html,
body {
  height: 100%;
  margin: 0;
}
body {
  background:
    radial-gradient(
      1200px 700px at 70% -10%,
      #171a1f 0%,
      var(--bg) 55%),
    var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}
#app {
  height: 100%;
  display: grid;
  grid-template-columns: 296px 1fr;
  grid-template-rows: 56px 1fr;
  grid-template-areas: "top top" "banner banner" "side stage";
  grid-template-rows: 56px auto 1fr;
}
.topbar {
  grid-area: top;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  border-bottom: 1px solid var(--line-soft);
  background:
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.02),
      transparent);
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.brand .mark {
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: 0.14em;
  color: var(--accent);
  border: 1px solid var(--accent-line);
  border-radius: 5px;
  padding: 2px 7px 3px;
}
.brand .name {
  font-family: var(--serif);
  font-size: 17px;
  letter-spacing: 0.01em;
}
.brand .tagline {
  color: var(--ink-faint);
  font-size: 12px;
  letter-spacing: 0.02em;
}
.top-right {
  display: flex;
  align-items: center;
  gap: 16px;
}
.lang {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 7px;
  overflow: hidden;
}
.lang button {
  background: none;
  border: 0;
  color: var(--ink-faint);
  font: inherit;
  font-size: 11px;
  padding: 4px 9px;
  cursor: pointer;
  transition: color 0.12s, background 0.12s;
}
.lang button:hover {
  color: var(--ink);
}
.lang button[aria-pressed=true] {
  background: var(--panel-2);
  color: var(--accent);
}
.meter {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 16px;
  opacity: 0.9;
}
.meter i {
  display: block;
  width: 3px;
  height: 100%;
  border-radius: 1px;
  background: #2a2e36;
  transform-origin: bottom;
  transition: background 0.08s linear;
}
.meter i.on {
  background: var(--accent);
}
.meter i.hot {
  background: #d97a5e;
}
.engine {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--ink-faint);
}
.engine .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink-faint);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.03);
}
.engine[data-state=loading] .dot {
  background: var(--accent);
  animation: pulse 1.1s ease-in-out infinite;
}
.engine[data-state=ready] .dot {
  background: #6fbf8f;
}
.engine[data-state=error] .dot {
  background: var(--danger);
}
@keyframes pulse {
  50% {
    opacity: 0.3;
  }
}
.sidebar {
  grid-area: side;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line-soft);
  min-height: 0;
}
.side-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 2px 10px;
  padding: 16px 18px 10px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.side-head .count {
  text-align: right;
  flex-shrink: 0;
}
.catalog {
  overflow-y: auto;
  padding: 0 10px 20px;
  flex: 1;
  min-height: 0;
}
.work-group {
  margin-bottom: 6px;
}
.work-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 8px 6px;
  cursor: pointer;
  border-radius: 6px;
}
.work-head:hover {
  background: rgba(255, 255, 255, 0.025);
}
.work-head .composer {
  font-family: var(--serif);
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.02em;
}
.work-head .title {
  font-size: 12.5px;
  color: var(--ink-dim);
  line-height: 1.35;
}
.mvt {
  display: block;
  width: 100%;
  text-align: left;
  padding: 7px 10px 7px 18px;
  background: none;
  border: 0;
  border-left: 1px solid var(--line);
  color: var(--ink-dim);
  font: inherit;
  font-size: 12.5px;
  cursor: pointer;
  line-height: 1.35;
  transition:
    color 0.12s,
    background 0.12s,
    border-color 0.12s;
}
.mvt:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.03);
}
.mvt[aria-current=true] {
  color: var(--ink);
  border-left-color: var(--accent);
  background:
    linear-gradient(
      90deg,
      var(--accent-soft),
      transparent 70%);
}
.mvt .badge {
  float: right;
  font-size: 11px;
  color: var(--ink-faint);
  font-variant-numeric: tabular-nums;
}
.side-foot {
  border-top: 1px solid var(--line-soft);
  padding: 10px 18px;
}
.side-foot .hint {
  font-size: 11px;
  color: var(--ink-faint);
  line-height: 1.6;
}
.banner {
  grid-area: banner;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 10px 20px;
  background: rgba(201, 106, 94, 0.12);
  border-bottom: 1px solid rgba(201, 106, 94, 0.3);
  color: var(--ink);
  font-size: 13px;
  line-height: 1.7;
}
.banner-inner {
  max-width: 820px;
}
.banner-title {
  font-weight: 500;
  color: #e0a08f;
  margin-bottom: 2px;
}
.banner-body code {
  background: rgba(255, 255, 255, 0.08);
  padding: 1px 5px;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 12px;
}
.banner-body b {
  color: var(--accent);
  font-weight: 500;
}
.stage {
  grid-area: stage;
  overflow-y: auto;
  min-height: 0;
  position: relative;
}
.empty {
  height: 100%;
  display: grid;
  place-items: center;
  padding: 40px;
}
.empty-inner {
  max-width: 420px;
  text-align: left;
}
.empty h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 30px;
  margin: 0 0 14px;
  letter-spacing: 0.01em;
}
.empty p {
  color: var(--ink-dim);
  line-height: 1.75;
  margin: 0;
}
.empty b {
  color: var(--accent);
  font-weight: 500;
}
.piece {
  padding: 26px 30px 40px;
  max-width: 1080px;
}
.piece-head {
  margin-bottom: 22px;
}
.work-title {
  font-family: var(--serif);
  font-size: 25px;
  letter-spacing: 0.005em;
  line-height: 1.25;
}
.movement-title {
  font-family: var(--serif);
  font-size: 16px;
  color: var(--accent);
  margin-top: 5px;
}
.meta {
  margin-top: 10px;
  font-size: 12px;
  color: var(--ink-faint);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}
.meta-warn {
  margin-top: 7px;
  font-size: 12px;
  color: #c9a05e;
  letter-spacing: 0.01em;
}
.meta span + span::before {
  content: "\b7";
  margin: 0 8px;
  color: var(--line);
}
.transport {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 14px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.play {
  width: 54px;
  height: 54px;
  flex: 0 0 auto;
  border-radius: 50%;
  border: 1px solid var(--accent-line);
  background:
    radial-gradient(
      circle at 35% 30%,
      #2a2015,
      #16110b);
  color: var(--accent);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition:
    transform 0.1s,
    box-shadow 0.2s,
    background 0.2s;
}
.play:hover {
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.play:active {
  transform: scale(0.96);
}
.play svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}
.play .ico-pause {
  display: none;
}
.play[data-playing=true] .ico-play {
  display: none;
}
.play[data-playing=true] .ico-pause {
  display: block;
}
.readout {
  min-width: 116px;
}
.readout .pos {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}
.readout .bar {
  font-size: 26px;
  color: var(--ink);
}
.readout .of {
  font-size: 12px;
  color: var(--ink-faint);
  margin-left: 4px;
}
.readout .clock {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-faint);
  margin-top: 2px;
}
.readout .sep {
  opacity: 0.5;
  margin: 0 2px;
}
.jump {
  display: flex;
  align-items: center;
  gap: 6px;
}
.jump input {
  width: 62px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  padding: 6px 8px;
  outline: none;
  text-align: center;
  -moz-appearance: textfield;
}
.jump input::-webkit-outer-spin-button,
.jump input::-webkit-inner-spin-button {
  -webkit-appearance: none;
}
.jump input:focus {
  border-color: var(--accent-line);
}
.jump input::placeholder {
  color: var(--ink-faint);
}
.tempo-block {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 220px;
}
.tempo-label {
  display: flex;
  align-items: baseline;
  gap: 4px;
  color: var(--ink-dim);
}
.tempo-label .unit {
  font-size: 15px;
}
.tempo-num {
  width: 62px;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 20px;
  text-align: center;
  padding: 2px 0 4px;
  outline: none;
  -moz-appearance: textfield;
}
.tempo-num::-webkit-outer-spin-button,
.tempo-num::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.tempo-num:focus {
  border-bottom-color: var(--accent);
}
.tempo-range {
  -webkit-appearance: none;
  appearance: none;
  height: 3px;
  border-radius: 2px;
  background:
    linear-gradient(
      90deg,
      var(--accent) var(--pct, 50%),
      var(--line) var(--pct, 50%));
  outline: none;
  flex: 1;
  min-width: 80px;
  cursor: pointer;
}
.tempo-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--bg);
  box-shadow: 0 0 0 1px var(--accent-line);
}
.tempo-range::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--bg);
}
.ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-dim);
  border-radius: 7px;
  padding: 6px 10px;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition:
    color 0.12s,
    border-color 0.12s,
    background 0.12s;
  white-space: nowrap;
}
.ghost:hover {
  color: var(--ink);
  border-color: #343a44;
}
.ghost.small {
  font-size: 11.5px;
  padding: 4px 8px;
}
.ghost b {
  color: var(--accent);
  font-weight: 500;
}
.ghost svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}
.ghost.toggle[aria-pressed=true] {
  color: var(--accent);
  border-color: var(--accent-line);
  background: var(--accent-soft);
}
.loop-block {
  display: flex;
  align-items: center;
  gap: 8px;
}
.loop-fields {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--ink-faint);
}
.loop-fields input {
  width: 46px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  padding: 5px 6px;
  outline: none;
  text-align: center;
  -moz-appearance: textfield;
}
.loop-fields input::-webkit-outer-spin-button,
.loop-fields input::-webkit-inner-spin-button {
  -webkit-appearance: none;
}
.loop-fields input:focus {
  border-color: var(--accent-line);
}
.ruler-wrap {
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(
      180deg,
      #101319,
      #0d1014);
  overflow: hidden;
}
#ruler {
  display: block;
  width: 100%;
  height: 76px;
  cursor: pointer;
}
.panel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}
@media (max-width: 1100px) {
  .panel-grid {
    grid-template-columns: 1fr;
  }
}
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px 16px;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 12px;
}
.panel-note {
  font-size: 11.5px;
  color: var(--ink-faint);
  line-height: 1.6;
  margin: 12px 0 0;
}
.zones {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.zone {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 9px;
  background: var(--panel-2);
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  font-size: 12px;
}
.zone .range {
  color: var(--ink-dim);
  font-variant-numeric: tabular-nums;
  flex: 1;
}
.zone .range b {
  color: var(--ink);
  font-weight: 500;
}
.zone input {
  width: 52px;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 13px;
  text-align: center;
  padding: 2px 0;
  outline: none;
  -moz-appearance: textfield;
}
.zone input::-webkit-outer-spin-button,
.zone input::-webkit-inner-spin-button {
  -webkit-appearance: none;
}
.zone input:focus {
  border-bottom-color: var(--accent);
}
.zone .del {
  border: 0;
  background: none;
  color: var(--ink-faint);
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
  padding: 2px 4px;
  border-radius: 4px;
}
.zone .del:hover {
  color: var(--danger);
  background: rgba(201, 106, 94, 0.1);
}
.scale-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  color: var(--ink-faint);
}
.scale-row .mono {
  font-family: var(--mono);
  color: var(--ink-dim);
  min-width: 48px;
  text-align: right;
}
.panel.fx {
  grid-column: 1 / -1;
}
.fx-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.fx-row .ghost {
  font-size: 12px;
}
.fx-wet {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  font-size: 12px;
  color: var(--ink-faint);
}
.fx-wet .tempo-range {
  flex: 1;
}
.fx-wet .mono {
  font-family: var(--mono);
  min-width: 40px;
  text-align: right;
}
.panel-note b {
  color: var(--ink-dim);
  font-weight: 500;
}
.tracks {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--ink-dim);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.12s;
  user-select: none;
}
.chip:hover {
  border-color: #343a44;
  color: var(--ink);
}
.chip::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 1;
  transition: opacity 0.12s, transform 0.12s;
}
.chip[aria-pressed=false] {
  opacity: 0.42;
}
.chip[aria-pressed=false]::before {
  opacity: 0;
  transform: scale(0.4);
}
.chip .n {
  color: var(--ink-faint);
  font-size: 10.5px;
  font-variant-numeric: tabular-nums;
}
.dim {
  color: var(--ink-faint);
  letter-spacing: 0;
  text-transform: none;
  font-size: 11.5px;
}
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-thumb {
  background: #23272e;
  border-radius: 6px;
  border: 3px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover {
  background: #2e333b;
}
::-webkit-scrollbar-track {
  background: transparent;
}