:root {
  --paper: #f3ece4;
  --ink: #241c18;
  --muted: #4e433d;
  --line: rgba(36, 28, 24, 0.12);
  --clay: #8a4b12;
  --clay-deep: #6f3c0e;
  --clay-soft: #f3e7da;
  --sheet: #faf6f1;
  --cream: #fffaf7;
  --serif: "Songti SC", "STSong", "Noto Serif SC", "Iowan Old Style", Palatino, serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Avenir Next", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html {
  scrollbar-color: #b7a79b transparent;
}

html, body { margin: 0; min-height: 100%; }

body {
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  background:
    linear-gradient(180deg, rgba(255, 252, 248, 0.7), transparent 280px),
    var(--paper);
}

button, a { font: inherit; }

button { color: inherit; cursor: pointer; }

a { color: inherit; }

::selection { background: #edd5d4; color: var(--ink); }

:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: 3px;
}

.frame {
  width: min(760px, calc(100% - 40px));
  margin: 0 auto;
  padding: 56px 0 80px;
}

.sheet {
  background: var(--sheet);
  border: 1px solid rgba(36, 28, 24, 0.08);
  border-radius: 6px 28px 6px 28px;
  padding: 48px 52px 36px;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.8) inset,
    0 18px 40px rgba(72, 42, 32, 0.07);
}

h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.12;
  text-wrap: balance;
}

h2 {
  margin: 44px 0 10px;
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.25;
  text-wrap: balance;
}

h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.lead {
  margin: 16px 0 0;
  font-size: 17px;
  line-height: 1.7;
  text-wrap: pretty;
}

.lead.quiet,
.fine,
.about,
.backline {
  color: var(--muted);
}

.fine {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.65;
}

.meta {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.cuts {
  margin: 22px 0 0;
  padding: 0;
}

.cuts div {
  display: grid;
  grid-template-columns: 9.5em minmax(0, 1fr);
  gap: 8px 16px;
  align-items: baseline;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.cuts dt {
  font-weight: 560;
  font-variant-numeric: tabular-nums;
}

.cuts dd { margin: 0; }

.cuts .on,
.band.on {
  background: var(--clay-soft);
}

.cuts .on {
  margin: 0 -16px;
  padding: 12px 16px;
  border-radius: 10px;
  border-top-color: transparent;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.primary,
.ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
}

.primary {
  border: none;
  background: var(--clay);
  color: var(--cream);
}

.ghost {
  border: 1px solid var(--line);
  background: transparent;
}

.bar {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px 20px;
}

.bar h1 {
  font-size: clamp(28px, 4vw, 36px);
}

.bar p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 14px;
}

.legend b {
  color: var(--ink);
  font-weight: 560;
  font-variant-numeric: tabular-nums;
}

.group h2 { margin-top: 36px; }

.about { margin: 6px 0 0; font-size: 15px; }

.group ol { margin: 8px 0 0; padding: 0; list-style: none; }

.item {
  padding: 16px 0 14px;
  border-top: 1px solid var(--line);
  scroll-margin: 24px;
}

.item > p:first-child {
  margin: 0;
  font-size: 17px;
  line-height: 1.55;
}

.item > p:first-child span {
  display: inline-block;
  min-width: 1.5em;
  margin-right: 0.35em;
  color: var(--clay);
  font-variant-numeric: tabular-nums;
  font-weight: 560;
}

.scale {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 6px;
  margin-top: 12px;
}

.scale button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  font-variant-numeric: tabular-nums;
  font-weight: 560;
}

.scale button[aria-checked="true"] {
  border-color: transparent;
  background: var(--clay);
  color: var(--cream);
}

.picked {
  min-height: 1.4em;
  margin: 8px 0 0;
  color: var(--clay);
  font-size: 14px;
}

.picked.empty { color: var(--muted); }

.picked.warn { font-weight: 560; }

.item.missing {
  margin: 8px -12px;
  padding: 14px 12px;
  border-top-color: transparent;
  border-radius: 12px;
  background: var(--clay-soft);
}

.hint {
  min-height: 1.5em;
  margin: 16px 0 0;
  color: var(--clay);
  font-size: 15px;
}

.backline { margin: 0 0 16px; font-size: 14px; }

.backline a { color: var(--muted); }

.ruler { margin-top: 26px; }

.track {
  display: flex;
  position: relative;
  height: 12px;
}

.zone {
  height: 12px;
  background: rgba(138, 75, 18, 0.18);
}

.zone + .zone { box-shadow: -2px 0 0 var(--sheet); }

.zone.on { background: var(--clay); }

.needle {
  position: absolute;
  top: -6px;
  width: 2px;
  height: 24px;
  background: var(--ink);
  left: calc(var(--p) * 1%);
  transform: translateX(-50%);
  transition: left 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.ticks {
  position: relative;
  height: 1.5em;
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.ticks span {
  position: absolute;
  transform: translateX(-50%);
}

.ticks span:first-child,
.ticks span.end {
  transform: none;
}

.ticks span.end { right: 0; left: auto; }

.jumps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 16px 0 0;
  font-size: 15px;
}

.jumps a { color: var(--clay); text-underline-offset: 3px; }

.jumps a.on { font-weight: 560; }

.band { margin-top: 32px; }

.band.on {
  margin: 32px -22px 0;
  padding: 20px 22px 8px;
  border-radius: 16px;
}

.band .you {
  margin: 0 0 8px;
  color: var(--clay);
  font-size: 14px;
  font-weight: 560;
}

.band .range {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.band p {
  margin: 14px 0 0;
  font-size: 17px;
  line-height: 1.75;
  text-wrap: pretty;
}

.high,
.ledger-group ol {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.high li,
.ledger-group li {
  display: grid;
  gap: 4px 12px;
  align-items: baseline;
  padding: 11px 0;
  border-top: 1px solid var(--line);
}

.high li { grid-template-columns: 7.2em minmax(0, 1fr); }

.high em,
.ledger-group em {
  font-style: normal;
  font-variant-numeric: tabular-nums;
}

.high em {
  grid-column: 2;
  color: var(--clay);
  font-weight: 560;
}

.ledger-group { margin-top: 8px; }

.ledger-group h3 {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-top: 22px;
  font-size: 22px;
}

.ledger-group h3 span {
  color: var(--clay);
  font-family: var(--sans);
  font-size: 16px;
  font-variant-numeric: tabular-nums;
  font-weight: 560;
}

.ledger-group li { grid-template-columns: 1.6em minmax(0, 1fr) auto; }

.ledger-group b {
  font-weight: 560;
  font-variant-numeric: tabular-nums;
}

.ledger-group em {
  color: var(--muted);
  white-space: nowrap;
}

.ledger-group .hot em {
  color: var(--clay);
  font-weight: 560;
}

@media (hover: hover) {
  .primary:hover { background: var(--clay-deep); }

  .ghost:hover { background: rgba(138, 75, 18, 0.06); }

  .scale button:hover:not([aria-checked="true"]) {
    background: rgba(138, 75, 18, 0.08);
  }
}

@media (max-width: 640px) {
  .frame {
    width: min(760px, calc(100% - 20px));
    padding: 20px 0 48px;
  }

  .sheet {
    padding: 28px 16px 22px;
    border-radius: 6px 18px;
  }

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

  .bar p { text-align: left; }

  .cuts div { grid-template-columns: 1fr; gap: 2px; }

  .cuts .on { margin-inline: -10px; }

  .band.on {
    margin-inline: -8px;
    padding-inline: 12px;
  }

  .high li,
  .ledger-group li { grid-template-columns: 1fr; }

  .high em,
  .ledger-group em {
    grid-column: 1;
    white-space: normal;
  }

  .ledger-group li { grid-template-columns: 1.6em minmax(0, 1fr); }

  .ledger-group em { grid-column: 2; }
}

@media (prefers-reduced-motion: reduce) {
  .needle { transition: none; }
}

@media print {
  body { background: white; }
  .sheet { border: none; box-shadow: none; padding: 0; }
  .actions,
  .backline,
  .jumps { display: none; }
}