:root {
  color-scheme: dark;
  --bg: #15110d;
  --panel: #211b14;
  --panel-2: #2d251b;
  --text: #f4ead7;
  --muted: #cbb99a;
  --line: #5c4931;
  --accent: #91d889;
  --accent-2: #e5b75f;
  --hot: #d86f59;
  --ink: #0b0a08;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 18% 0%, rgba(145, 216, 137, 0.08), transparent 28rem),
    linear-gradient(180deg, rgba(229, 183, 95, 0.08), transparent 460px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.018) 0 1px, transparent 1px 72px),
    var(--bg);
  color: var(--text);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, system-ui, sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
}

button,
input,
select {
  font: inherit;
}

.lab-header,
main,
.lab-footer {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.lab-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  min-height: 72px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.brand,
.lab-nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand {
  text-decoration: none;
  font-weight: 700;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--accent-2);
  background: rgba(33, 27, 20, 0.86);
  color: var(--accent-2);
  font-family: Consolas, "Courier New", monospace;
}

.brand strong,
.brand small,
.hero p span,
.notes span,
.notes small {
  display: block;
}

.brand small,
.lab-nav,
.kicker,
button,
.file-btn,
.status-card,
.track-time,
.volume-row,
.effect-row,
.track-note,
.lab-footer {
  font-family: Consolas, "Courier New", monospace;
}

.brand small,
.lab-nav a,
.track-note,
.notes p {
  color: var(--muted);
}

.brand small {
  font-size: 0.72rem;
}

.lab-nav {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.lab-nav a {
  font-size: 0.82rem;
  text-decoration: none;
}

.lab-nav a:hover,
.lab-footer a:hover {
  color: var(--accent-2);
}

.hero,
.composer-shell,
.notes {
  margin-top: 34px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 340px);
  gap: 24px;
  align-items: end;
  padding: clamp(34px, 7vw, 76px) 0 22px;
}

.kicker {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.78rem;
}

h1,
h2,
h3,
p {
  margin: 0;
  overflow-wrap: anywhere;
}

h1 {
  font-size: clamp(3rem, 8vw, 6.7rem);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  font-size: clamp(1.55rem, 3vw, 2.3rem);
  line-height: 1.18;
}

h3 {
  font-size: 1.3rem;
  line-height: 1.15;
}

.hero p {
  max-width: 760px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 1.04rem;
}

.hero p span + span,
.notes small {
  margin-top: 6px;
  color: var(--accent-2);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.95rem;
  font-weight: 500;
}

.panel,
.status-card {
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(145, 216, 137, 0.04), transparent 44%),
    rgba(33, 27, 20, 0.94);
}

.panel {
  padding: 18px;
}

.status-card {
  display: grid;
  gap: 8px;
  padding: 14px;
}

.status-card span {
  border-left: 3px solid var(--accent-2);
  background: rgba(11, 10, 8, 0.42);
  padding: 8px 10px;
  color: var(--text);
  font-size: 0.82rem;
}

.composer-shell {
  display: grid;
  gap: 16px;
}

.transport {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 520px);
  gap: 18px;
  align-items: end;
}

.transport-controls,
.track-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(108px, 1fr));
  gap: 8px;
}

button,
.file-btn {
  display: inline-grid;
  place-items: center;
  gap: 2px;
  min-height: 42px;
  border: 1px solid rgba(244, 234, 215, 0.22);
  background: rgba(21, 17, 13, 0.74);
  color: var(--text);
  padding: 8px 10px;
  font-weight: 700;
  cursor: pointer;
}

button span,
button small,
.file-btn span,
.file-btn small {
  display: block;
  line-height: 1.12;
}

button small,
.file-btn small {
  color: var(--muted);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, system-ui, sans-serif;
  font-size: 0.7rem;
  font-weight: 500;
}

button:hover,
.file-btn:hover,
button.is-active,
.file-btn.is-active {
  border-color: var(--accent);
  color: var(--accent);
}

button.primary {
  border-color: var(--accent-2);
  color: var(--accent-2);
}

button.is-recording {
  border-color: var(--hot);
  background: rgba(216, 111, 89, 0.16);
  color: var(--hot);
}

button.is-muted {
  border-color: var(--hot);
  color: var(--hot);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.file-btn input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.track-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.track-card {
  display: grid;
  gap: 14px;
}

.track-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}

.track-time {
  border: 1px solid rgba(229, 183, 95, 0.34);
  color: var(--accent-2);
  padding: 4px 8px;
  font-size: 0.78rem;
  white-space: nowrap;
}

.waveform {
  display: block;
  width: 100%;
  aspect-ratio: 6 / 1;
  border: 1px solid rgba(229, 183, 95, 0.34);
  background:
    linear-gradient(180deg, rgba(145, 216, 137, 0.05), transparent),
    var(--ink);
}

.volume-row,
.effect-row {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 52px;
  gap: 10px;
  align-items: center;
  color: var(--muted);
  font-size: 0.82rem;
}

.volume-row input {
  width: 100%;
  accent-color: var(--accent);
}

.effect-row select {
  width: 100%;
  min-width: 0;
  border: 1px solid rgba(244, 234, 215, 0.22);
  background: rgba(11, 10, 8, 0.68);
  color: var(--text);
  padding: 7px 8px;
  font-family: Consolas, "Courier New", monospace;
  font-weight: 700;
}

.effect-row select:focus {
  outline: 1px solid var(--accent);
}

.effect-row {
  grid-template-columns: 42px minmax(0, 1fr) 72px;
}

.volume-row b,
.effect-row b {
  color: var(--text);
  font-weight: 700;
  text-align: right;
}

.track-note {
  min-height: 1.4em;
  font-size: 0.8rem;
}

.notes {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 22px;
}

.notes p {
  align-self: end;
}

.lab-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 26px 0 40px;
  margin-top: 34px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.lab-footer a {
  color: var(--muted);
  text-decoration: none;
}

@media (max-width: 920px) {
  .lab-header,
  .hero,
  .transport,
  .track-grid,
  .notes {
    grid-template-columns: 1fr;
  }

  .lab-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .lab-nav {
    justify-content: flex-start;
  }
}

@media (max-width: 560px) {
  .lab-header,
  main,
  .lab-footer {
    width: min(100% - 20px, var(--max));
  }

  h1 {
    font-size: clamp(2.7rem, 15vw, 4rem);
  }

  .transport-controls,
  .track-controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .lab-footer {
    flex-direction: column;
  }
}