:root {
  --bg: #f6f4ef;
  --card: #ffffff;
  --text: #1d1d1f;
  --muted: #66666b;
  --line: #d9d6cf;
  --accent: #b5562b;
  --accent-text: #ffffff;
  --recording: #c62828;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17181b;
    --card: #222428;
    --text: #ececec;
    --muted: #a0a0a6;
    --line: #3a3d43;
    --accent: #e08a5c;
    --accent-text: #17181b;
    --recording: #ef5350;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Hiragino Sans', sans-serif;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: calc(16px + env(safe-area-inset-top)) calc(16px + env(safe-area-inset-right))
    calc(32px + env(safe-area-inset-bottom)) calc(16px + env(safe-area-inset-left));
}

h1 {
  margin: 0;
  font-size: 1.5rem;
}

.lead {
  margin: 4px 0 16px;
  color: var(--muted);
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 16px;
}

.field {
  display: grid;
  gap: 4px;
  margin-bottom: 12px;
}

.field:last-child {
  margin-bottom: 0;
}

input[type='range'] {
  width: 100%;
  min-height: 44px;
  accent-color: var(--accent);
}

select,
button {
  min-height: 44px;
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0 14px;
}

.recorder {
  text-align: center;
  margin-bottom: 16px;
}

.record-button {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: none;
  background: var(--accent);
  color: var(--accent-text);
  font-size: 1.3rem;
  font-weight: bold;
}

.record-button.is-recording {
  background: var(--recording);
}

.status {
  min-height: 3.2em;
  margin: 12px 0 0;
  color: var(--muted);
}

.score-box {
  color: var(--text);
}

.score {
  display: block;
  width: 100%;
  height: auto;
}

.score .staff-line,
.score .bar-line,
.score .stem {
  stroke: currentColor;
  stroke-width: 1;
}

.score .stem {
  stroke-width: 1.3;
}

.score .ink {
  fill: currentColor;
}

.score .head-hollow {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
}

.score .flag {
  fill: currentColor;
  stroke: currentColor;
  stroke-width: 1;
}

.score .rest-stroke,
.score .tie {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.score .tie {
  stroke-width: 1.3;
}

.score .clef {
  fill: currentColor;
  font-size: 66px;
}

.score .accidental {
  fill: currentColor;
  font-size: 15px;
  text-anchor: middle;
}

.actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 12px;
}

.actions .wide {
  grid-column: 1 / -1;
}

.actions .primary {
  background: var(--accent);
  color: var(--accent-text);
  border: none;
  font-weight: bold;
}