@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("./fonts/inter-400.woff2") format("woff2");
}
@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("./fonts/inter-600.woff2") format("woff2");
}
@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("./fonts/inter-700.woff2") format("woff2");
}
@font-face {
  font-family: "Barlow Semi Condensed";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("./fonts/barlow-sc-600.woff2") format("woff2");
}
@font-face {
  font-family: "Barlow Semi Condensed";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("./fonts/barlow-sc-700.woff2") format("woff2");
}

/* Chordfinder — dark glass, same tokens as the tuner reference */
:root {
  --bg: #0d0f10;
  --bg-elev: rgba(255, 255, 255, 0.04);
  --glass: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.1);
  --accent: #1fb5a6;
  --accent-bright: #3fd4c3;
  --text: #e8eceb;
  --muted: #8a9491;
  --danger: #e85d5d;
  --ok: #3dd68c;
  --warn: #e8c05d;
  --radius: 18px;
  --touch: 48px;
  --font: "Inter", system-ui, -apple-system, sans-serif;
  --display: "Barlow Semi Condensed", "Inter", sans-serif;
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-t: env(safe-area-inset-top, 0px);
}

*, *::before, *::after { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior: none;
}
body {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding-top: var(--safe-t);
  background:
    radial-gradient(900px 420px at 50% -80px, rgba(31, 181, 166, 0.18), transparent 62%),
    var(--bg);
  color-scheme: dark;
}

.app {
  flex: 1;
  display: flex;
  flex-direction: column;
  max-width: 520px;
  width: 100%;
  margin: 0 auto;
  padding: 12px 16px calc(20px + var(--safe-b));
  gap: 12px;
}

header.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 2px;
  gap: 12px;
}
header h1 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  margin: 0;
  color: var(--accent-bright);
}
.badge {
  font-size: 0.7rem;
  color: var(--muted);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  padding: 4px 10px;
  white-space: nowrap;
}

.card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.chord-symbol {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(3.4rem, 18vw, 5.5rem);
  line-height: 0.9;
  letter-spacing: -0.03em;
  text-align: center;
  margin: 0;
  color: var(--text);
}
.chord-symbol[data-len="5"],
.chord-symbol[data-len="6"] {
  font-size: clamp(2.5rem, 12vw, 3.8rem);
}
.chord-symbol[data-len="7"],
.chord-symbol[data-len="8"],
.chord-symbol[data-len="9"] {
  font-size: clamp(2rem, 10vw, 3rem);
}
.chord-symbol.is-empty {
  font-size: 2.4rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0;
}
.chord-quality {
  text-align: center;
  color: var(--muted);
  margin: 8px 0 0;
  font-size: 0.95rem;
  min-height: 1.2em;
}

.confidence {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}
.confidence-track,
.level-track {
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}
.confidence-fill,
.level-fill {
  height: 100%;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-bright));
  transition: width 0.12s linear;
}
.confidence-fill.good { background: linear-gradient(90deg, #1f9d62, var(--ok)); }
.confidence-fill.example { background: rgba(63, 212, 195, 0.45); }
.conf-text {
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--accent-bright);
  min-width: 8.5ch;
  text-align: right;
}

.tones-wrap { margin-top: 12px; }
.tones-label {
  display: block;
  margin-bottom: 6px;
}
.tones {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tone {
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  padding: 4px 10px;
  min-height: 28px;
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--accent-bright);
  background: rgba(31, 181, 166, 0.12);
}

label.field-label {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.mic-status {
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
  min-height: 1.3em;
  margin: 14px 0 0;
}
.mic-status.err { color: var(--danger); }
.mic-status.live { color: var(--text); }
.mic-status.live::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 10px rgba(61, 214, 140, 0.8);
  transform: translateY(-1px);
}

.level-row { margin-top: 10px; }
.level-fill { background: var(--accent-bright); }

.actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-top: 12px;
}
.btn {
  appearance: none;
  border: 1px solid var(--glass-border);
  background: var(--bg-elev);
  color: var(--text);
  border-radius: 14px;
  min-height: var(--touch);
  min-width: var(--touch);
  padding: 0 16px;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
}
.btn:active { transform: scale(0.97); }
.btn:focus-visible,
.tune-btn:focus-visible {
  outline: 2px solid var(--accent-bright);
  outline-offset: 2px;
}
.btn.primary {
  background: linear-gradient(135deg, var(--accent), #178f84);
  border-color: transparent;
  color: #041312;
  min-height: 52px;
}
.btn.primary.stop {
  background: transparent;
  border-color: var(--danger);
  color: #ffc7c7;
}
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.btn.wide { width: 100%; }

.tuning-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 10px;
}
.tune-btn {
  appearance: none;
  border: 1px solid var(--glass-border);
  background: var(--bg-elev);
  color: var(--text);
  border-radius: 12px;
  min-height: 56px;
  padding: 8px 10px;
  font-family: var(--font);
  cursor: pointer;
  text-align: left;
}
.tune-btn .tune-label {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
}
.tune-btn .hint {
  display: block;
  margin-top: 2px;
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--muted);
}
.tune-btn.on {
  border-color: var(--accent);
  background: rgba(31, 181, 166, 0.18);
  color: var(--accent-bright);
}
.tune-btn.on .hint { color: var(--accent-bright); }

.shape-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.shape-grid.single {
  grid-template-columns: 1fr;
  max-width: 260px;
  margin: 0 auto;
  width: 100%;
}
.shape {
  background: rgba(0, 0, 0, 0.32);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 8px 6px 10px;
  min-width: 0;
}
.shape-caption {
  margin: 0 0 2px;
  text-align: center;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}
.empty-note {
  margin: 8px 8px 4px;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

.fretboard { width: 100%; height: auto; display: block; }
.fretboard .string { stroke: rgba(232, 236, 235, 0.55); }
.fretboard .fret { stroke: rgba(255, 255, 255, 0.22); stroke-width: 1.4; }
.fretboard .nut { stroke: var(--text); stroke-width: 4; }
.fretboard .mark {
  font-family: var(--display);
  font-size: 13px;
  font-weight: 700;
}
.fretboard .open { fill: var(--accent-bright); }
.fretboard .mute { fill: var(--muted); }
.fretboard .dot { fill: var(--accent-bright); }
.fretboard .barre { fill: var(--accent); }
.fretboard .finger {
  font-family: var(--display);
  font-size: 12px;
  font-weight: 700;
  fill: #041312;
}
.fretboard .fret-num {
  font-family: var(--display);
  font-size: 13px;
  font-weight: 700;
  fill: var(--accent-bright);
}

.tab {
  margin: 8px 0 0;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: clamp(0.68rem, 3.2vw, 0.86rem);
  line-height: 1.35;
  color: var(--accent-bright);
  white-space: pre;
  overflow-x: auto;
  text-align: center;
}

.card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}
.card-head h2 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
}

.fineprint {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.45;
  text-align: center;
  padding: 0 8px 8px;
}

@media (min-width: 480px) {
  .actions { grid-template-columns: 1.4fr 0.8fr; }
  .app { padding-top: 20px; }
}

@media (max-width: 360px) {
  .shape-grid { gap: 6px; }
  .card { padding: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
}