:root {
  color-scheme: light;
  --bg: #f3eee4;
  --bg-2: #e7e0d2;
  --ink: #1c1915;
  --muted: #5c564c;
  --line: #ddd4c4;
  --card: #fffdf8;
  --accent: #c56a2d;
  --accent-ink: #1c140c;
  --teal: #1f6f6a;
  --clay: #a34b38;
  --good: #1d6b3a;
  --warn: #8a5a10;
  --bad: #9a332c;
  --shadow: 0 18px 40px rgba(48, 32, 12, 0.08);
  --sans: ui-sans-serif, system-ui, sans-serif;
  --serif: "Iowan Old Style", Palatino, "Palatino Linotype", Georgia, serif;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #100e0c;
  --bg-2: #2a241c;
  --ink: #f6f1e8;
  --muted: #d4cdc2;
  --line: #4a4338;
  --card: #1e1b17;
  --accent: #e2a04a;
  --accent-ink: #1c140c;
  --teal: #8ed6d0;
  --clay: #f0a090;
  --good: #9ed6b4;
  --warn: #e6c56a;
  --bad: #f0a099;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #100e0c;
    --bg-2: #2a241c;
    --ink: #f6f1e8;
    --muted: #d4cdc2;
    --line: #4a4338;
    --card: #1e1b17;
    --accent: #e2a04a;
    --accent-ink: #1c140c;
    --teal: #8ed6d0;
    --clay: #f0a090;
    --good: #9ed6b4;
    --warn: #e6c56a;
    --bad: #f0a099;
    --shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--sans);
  background:
    radial-gradient(900px 420px at 0% -10%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 55%),
    radial-gradient(700px 380px at 100% 0%, color-mix(in srgb, var(--teal) 16%, transparent), transparent 50%),
    var(--bg);
}

button, a, textarea { font: inherit; color: inherit; }

button, a { -webkit-tap-highlight-color: transparent; }

:focus { outline: none; }

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

::selection { background: color-mix(in srgb, var(--accent) 45%, transparent); }

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1040px;
  margin: 0 auto;
  padding: 22px 20px 0;
}

.brand {
  font-family: var(--serif);
  font-size: 1.05rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
}

.top-actions { display: flex; gap: 8px; }

.wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 18px 20px 48px;
}

h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.02em; }

h1 { font-size: clamp(2rem, 4vw, 3.3rem); line-height: 1.05; margin: 0 0 8px; }

h2 { font-size: 1.45rem; margin: 0; }

h3 { font-size: 1.15rem; margin: 0; }

.lede { margin: 0; max-width: 40rem; color: var(--muted); font-size: 1.05rem; line-height: 1.5; }

.hero { display: flex; justify-content: space-between; gap: 24px; align-items: end; margin-bottom: 22px; }

.bars { display: flex; align-items: end; gap: 6px; height: 64px; }

.bars span {
  display: block;
  width: 8px;
  border-radius: 99px;
  background: var(--accent);
}

.bars span:nth-child(3n) { background: var(--teal); }
.bars span:nth-child(3n+2) { background: var(--clay); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 18px;
}

.progress-card { margin-bottom: 18px; }

.progress-head, .row, .stat-row, .lesson-nav, .choice {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.kicker {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.meter {
  height: 8px;
  border-radius: 99px;
  background: var(--bg-2);
  overflow: hidden;
}

.meter > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--teal), var(--accent));
  border-radius: inherit;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.stat {
  padding: 10px 12px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--bg) 70%, var(--card));
}

.stat strong {
  display: block;
  font-family: var(--serif);
  font-size: 1.6rem;
  font-variant-numeric: tabular-nums;
}

.stat span { color: var(--muted); font-size: 0.85rem; }

.stat.rhythm strong { color: var(--accent); }
.stat.intonation strong { color: var(--teal); }
.stat.pacing strong { color: var(--clay); }

.grid, .split { display: grid; gap: 16px; }

.grid { grid-template-columns: repeat(3, 1fr); margin-bottom: 16px; }

.split { grid-template-columns: 1.1fr 0.9fr; align-items: start; }

.card-link {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 100%;
  text-decoration: none;
  transition: transform 160ms ease;
}

.card-link:hover { transform: translateY(-2px); }

.card-link p { margin: 0; color: var(--muted); line-height: 1.45; flex: 1; }

.go { font-size: 0.92rem; color: var(--teal); }

.stack { display: flex; flex-direction: column; gap: 12px; }

.quick { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.quick a, .primary, .ghost, .text-btn {
  border-radius: 12px;
  border: 1px solid var(--line);
  background: transparent;
  text-decoration: none;
  cursor: pointer;
}

.quick a { padding: 14px; }

.quick a strong, .quick a span { display: block; }

.quick a span { color: var(--muted); margin-top: 4px; }

.primary, .ghost, .text-btn { padding: 10px 14px; }

.primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: transparent;
  font-weight: 600;
}

.ghost { background: transparent; }

.tiny { padding: 8px 12px; border-radius: 999px; font-size: 0.85rem; min-height: 36px; }

#score { width: 100%; }

button:disabled { opacity: 0.55; cursor: not-allowed; }

.back { color: var(--muted); text-decoration: none; font-size: 0.92rem; }

.example {
  margin: 0;
  padding: 14px;
  border-radius: 12px;
  background: var(--bg);
  font-family: var(--serif);
  font-size: 1.2rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.symbol { font-size: 1.4rem; }

.mic-wrap { display: flex; flex-direction: column; align-items: center; gap: 8px; }

.mic {
  width: 112px;
  height: 112px;
  border-radius: 50%;
  border: 0;
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--serif);
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: var(--shadow);
}

.mic.live {
  background: var(--bad);
  color: white;
  box-shadow: 0 0 0 8px color-mix(in srgb, var(--bad) 35%, transparent);
}

.clock, .heard, .hint, .banner, .feedback, .fine { overflow-wrap: anywhere; }

.clock { margin: 0; font-variant-numeric: tabular-nums; color: var(--muted); }

.heard, .hint, .fine { margin: 0; color: var(--muted); line-height: 1.45; }

textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--bg);
  padding: 12px;
  resize: vertical;
  min-height: 96px;
}

textarea::placeholder { color: var(--muted); }

label, .label { display: block; font-size: 0.85rem; color: var(--muted); }

.banner, .feedback {
  margin: 0;
  padding: 12px 14px;
  border-radius: 12px;
  border-left: 4px solid var(--warn);
  background: color-mix(in srgb, var(--warn) 12%, var(--card));
}

.banner { border-left-color: var(--bad); }

.feedback.good { border-left-color: var(--good); background: color-mix(in srgb, var(--good) 12%, var(--card)); }
.feedback.fast, .feedback.empty { border-left-color: var(--bad); }
.feedback.slow, .feedback.close { border-left-color: var(--warn); }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--good) 18%, var(--card));
  color: var(--good);
  font-size: 0.78rem;
}

.choices { display: flex; flex-direction: column; gap: 8px; }

.choice {
  justify-content: flex-start;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.choice.selected { border-color: var(--accent); }

.scale { position: relative; height: 10px; border-radius: 99px; background: linear-gradient(90deg, var(--teal), var(--good), var(--clay)); }

.scale i {
  position: absolute;
  top: -4px;
  width: 4px;
  height: 18px;
  border-radius: 99px;
  background: var(--ink);
}

.analysis {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 16px;
  margin: 0;
}

.analysis div { font-variant-numeric: tabular-nums; }

.foot { margin: 22px 0 0; color: var(--muted); font-size: 0.85rem; }

.list { margin: 0; padding-left: 18px; }

.list li + li { margin-top: 6px; }

@media (max-width: 800px) {
  .grid, .split, .quick, .stats { grid-template-columns: 1fr; }
  .hero { flex-direction: column; align-items: start; }
  .bars { height: 42px; }
}

@media (max-width: 420px) {
  .top, .wrap { padding-left: 16px; padding-right: 16px; }
  .mic { width: 96px; height: 96px; }
  .lesson-nav, .row { flex-direction: column; align-items: stretch; }
  h1 { font-size: 1.7rem; }
}

@media (prefers-reduced-motion: reduce) {
  .card-link { transition: none; }
  .card-link:hover { transform: none; }
}