/* ==========================================================================
   Key Detector — /analyzer
   Hoja propia de la herramienta. Hereda tokens y nav/footer de styles.css.
   Namespace `.an-*` para no colisionar con la landing.
   ========================================================================== */

:root {
  /* El sistema de color de la extensión: mayor = violeta, menor = teal. */
  --teal-100: #CCFBF1;
  --teal-300: #5EEAD4;
  --teal-500: #14B8A6;
  --teal-600: #0D9488;
  --teal-700: #0F766E;

  --an-line: rgba(26, 20, 40, 0.10);
  --an-line-soft: rgba(26, 20, 40, 0.06);
}

/* ---------- Hero ---------- */
.an-hero {
  padding: 68px 0 34px;
  text-align: center;
  background:
    radial-gradient(70% 120% at 50% -20%, var(--purple-100) 0%, transparent 62%),
    var(--purple-50);
}
.an-hero h1 {
  font-size: clamp(34px, 5.4vw, 60px);
  font-weight: 800;
  line-height: 1.05;
  margin: 14px 0 0;
}
.an-grad {
  background: linear-gradient(96deg, var(--purple-600), var(--teal-500));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.an-sub {
  max-width: 660px;
  margin: 18px auto 0;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-700);
}
.an-sub-narrow { max-width: 560px; }

.an-trust {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 10px;
  margin: 24px 0 0;
  padding: 0;
}
.an-trust li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--white);
  border: 1px solid var(--an-line);
  border-radius: 999px;
  padding: 7px 15px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-700);
  box-shadow: var(--shadow-sm);
}

/* ---------- Tool shell ---------- */
.an-tool { padding: 26px 0 72px; }

.an-tabs {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--an-line);
  border-radius: 14px;
  margin: 0 0 18px;
  box-shadow: var(--shadow-sm);
}
.an-tab {
  appearance: none;
  border: 0;
  background: transparent;
  border-radius: 10px;
  padding: 9px 18px;
  font: inherit;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-500);
  cursor: pointer;
  transition: background-color 0.16s ease, color 0.16s ease, transform 0.12s ease;
}
.an-tab:hover { color: var(--ink-900); }
.an-tab:active { transform: scale(0.97); }
.an-tab.is-active {
  background: var(--white);
  color: var(--purple-700);
  box-shadow: 0 4px 14px -6px rgba(91, 33, 182, 0.45);
}

.an-panel { margin: 0; }

/* ---------- Dropzone ---------- */
.an-drop {
  border: 2px dashed var(--purple-300);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.7);
  padding: 54px 28px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.18s ease, background-color 0.18s ease, transform 0.18s ease;
}
.an-drop:hover { border-color: var(--purple-500); background: var(--white); }
.an-drop.is-over {
  border-color: var(--purple-600);
  background: var(--purple-100);
  transform: scale(1.005);
}
.an-drop-icon { color: var(--purple-500); }
.an-drop-title {
  font-size: 21px;
  font-weight: 700;
  margin: 12px 0 6px;
  letter-spacing: -0.02em;
}
.an-drop-sub { margin: 0; color: var(--ink-500); font-size: 14.5px; }
.an-drop-link { color: var(--purple-600); font-weight: 600; text-decoration: underline; }

/* ---------- Results ---------- */
.an-results {
  margin-top: 20px;
  background: var(--white);
  border: 1px solid var(--an-line);
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.an-results-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  padding: 14px 18px;
  border-bottom: 1px solid var(--an-line-soft);
}
.an-results-count { font-weight: 700; font-size: 14.5px; }
.an-results-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.an-mini {
  appearance: none;
  border: 1px solid var(--an-line);
  background: var(--white);
  border-radius: 9px;
  padding: 7px 13px;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-700);
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.12s ease;
}
.an-mini:hover { background: var(--purple-50); border-color: var(--purple-300); color: var(--purple-700); }
.an-mini:active { transform: scale(0.97); }
.an-mini-danger:hover { background: #FEF2F2; border-color: #FCA5A5; color: #B91C1C; }

.an-table-scroll { overflow-x: auto; }
.an-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.an-table th, .an-table td { text-align: left; padding: 12px 14px; white-space: nowrap; }
.an-table thead th {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-500);
  font-weight: 600;
  border-bottom: 1px solid var(--an-line-soft);
  padding: 0;
}
.an-table thead th button {
  appearance: none;
  border: 0;
  background: none;
  font: inherit;
  color: inherit;
  padding: 11px 14px;
  width: 100%;
  text-align: left;
  cursor: pointer;
}
.an-table thead th button:hover { color: var(--purple-600); }
.an-table thead th[aria-sort="ascending"] button::after { content: ' ↑'; }
.an-table thead th[aria-sort="descending"] button::after { content: ' ↓'; }

.an-row { border-top: 1px solid var(--an-line-soft); cursor: pointer; transition: background-color 0.14s ease; }
.an-row:hover { background: var(--purple-50); }
.an-row.is-selected { background: var(--purple-100); }
.an-row.is-pending, .an-row.is-error { cursor: default; }
.an-row.is-pending:hover, .an-row.is-error:hover { background: transparent; }

.an-name { font-weight: 600; max-width: 340px; }
.an-fname {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 340px;
}
.an-err { display: block; font-weight: 500; font-size: 12.5px; color: #B91C1C; white-space: normal; }
.an-muted { color: var(--ink-500); }

.an-progress {
  display: block;
  height: 4px;
  margin-top: 7px;
  border-radius: 999px;
  background: var(--purple-100);
  overflow: hidden;
  max-width: 340px;
}
.an-progress-bar {
  display: block;
  height: 100%;
  background: var(--purple-500);
  transition: width 0.2s linear;
}

.an-keycell { font-weight: 700; color: var(--purple-700); }
.an-keycell.minor { color: var(--teal-700); }
.an-code-cell { font-weight: 600; color: var(--ink-700); }

.an-conf {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
}
.an-conf-high { background: #D1FAE5; color: #065F46; }
.an-conf-mid  { background: #FEF3C7; color: #92400E; }
.an-conf-low  { background: #FEE2E2; color: #991B1B; }

.an-table-hint {
  margin: 0;
  padding: 12px 18px;
  font-size: 13px;
  color: var(--ink-500);
  border-top: 1px solid var(--an-line-soft);
}

/* ---------- Detail ---------- */
.an-detail {
  margin-top: 22px;
  background: var(--white);
  border: 1px solid var(--an-line);
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.an-detail-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--an-line-soft);
}
.an-detail-name {
  font-weight: 700;
  font-size: 15px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.an-close {
  appearance: none;
  border: 0;
  background: none;
  font-size: 26px;
  line-height: 1;
  color: var(--ink-500);
  cursor: pointer;
  padding: 2px 8px;
  border-radius: 8px;
}
.an-close:hover { background: var(--purple-50); color: var(--ink-900); }

.an-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 18px;
}
.an-card {
  /* Los items de grid no bajan de su min-content por defecto, así que una fila
     de chips que no cabe ensancha la tarjeta en vez de envolverse. */
  min-width: 0;
  border: 1px solid var(--an-line-soft);
  border-radius: 16px;
  padding: 18px;
  background: linear-gradient(180deg, rgba(245, 243, 255, 0.6), rgba(255, 255, 255, 0.6));
}
.an-card-wide { grid-column: 1 / -1; }
.an-card-title { font-size: 15px; font-weight: 700; margin: 0 0 4px; }
.an-card-sub { margin: 0 0 14px; font-size: 13px; line-height: 1.55; color: var(--ink-500); }

/* key card */
.an-key-card { display: flex; align-items: center; gap: 18px; }
.an-ring { position: relative; flex: none; width: 120px; height: 120px; }
.an-ring svg { transform: rotate(-90deg); }
.an-ring-track { fill: none; stroke: var(--purple-100); stroke-width: 9; }
.an-ring-bar {
  fill: none;
  stroke: var(--green-500);
  stroke-width: 9;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.an-ring.an-conf-mid .an-ring-bar { stroke: var(--amber-500); }
.an-ring.an-conf-low .an-ring-bar { stroke: var(--red-500); }
.an-ring-pct {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
}
.an-ring-pct span { font-size: 24px; font-weight: 800; letter-spacing: -0.03em; }
.an-ring-pct small { font-size: 9.5px; text-transform: uppercase; letter-spacing: 0.09em; color: var(--ink-500); }

.an-key-main { min-width: 0; flex: 1 1 auto; }
.an-key-note { font-size: 42px; font-weight: 800; line-height: 1; letter-spacing: -0.04em; color: var(--purple-700); }
.an-key-mode {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--purple-600);
  margin-top: 4px;
}
.an-key-card.minor .an-key-note { color: var(--teal-700); }
.an-key-card.minor .an-key-mode { color: var(--teal-600); }
.an-key-codes { display: flex; flex-wrap: wrap; gap: 6px; margin: 12px 0 12px; }
.an-code {
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 9px;
  border-radius: 8px;
  background: var(--purple-100);
  color: var(--purple-700);
}
.an-key-card.minor .an-code { background: var(--teal-100); color: var(--teal-700); }
.an-code-bpm { background: var(--ink-900); color: var(--white); }
.an-key-card.minor .an-code-bpm { background: var(--ink-900); color: var(--white); }

/* mixing + alternatives */
.an-mix, .an-alts { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.an-mix-item {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 9px 11px;
  border-radius: 11px;
  background: var(--white);
  border: 1px solid var(--an-line-soft);
}
.an-mix-code {
  flex: none;
  width: 42px;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  padding: 5px 0;
  border-radius: 8px;
  background: var(--purple-100);
  color: var(--purple-700);
}
.an-mix-item.minor .an-mix-code { background: var(--teal-100); color: var(--teal-700); }
.an-mix-body { display: flex; flex-direction: column; min-width: 0; }
.an-mix-body strong { font-size: 14px; }
.an-mix-body small { font-size: 12px; color: var(--ink-500); }

.an-alt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 11px;
  border-radius: 11px;
  background: var(--white);
  border: 1px solid var(--an-line-soft);
}
.an-alt-name { font-size: 14px; font-weight: 600; color: var(--purple-700); }
.an-alt.minor .an-alt-name { color: var(--teal-700); }
.an-alt-code { font-size: 12.5px; color: var(--ink-500); }

/* chromagram */
.an-chroma {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 6px;
  height: 160px;
  align-items: end;
}
.an-chroma-col { display: flex; flex-direction: column; justify-content: flex-end; height: 100%; text-align: center; }
.an-chroma-bar {
  position: relative;
  border-radius: 7px 7px 3px 3px;
  background: var(--purple-200);
  min-height: 3px;
  transition: height 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.an-chroma-col.is-in .an-chroma-bar { background: var(--purple-400); }
.an-chroma-col.is-root .an-chroma-bar { background: var(--purple-600); }
.an-chroma.minor .an-chroma-col.is-in .an-chroma-bar { background: var(--teal-300); }
.an-chroma.minor .an-chroma-col.is-root .an-chroma-bar { background: var(--teal-600); }
.an-chroma-val {
  position: absolute;
  top: -17px;
  left: 0; right: 0;
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-size: 10px;
  color: var(--ink-500);
}
.an-chroma-lbl {
  margin-top: 7px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--ink-500);
}
.an-chroma-col.is-root .an-chroma-lbl { color: var(--purple-700); }
.an-chroma.minor .an-chroma-col.is-root .an-chroma-lbl { color: var(--teal-700); }

/* waveform + timeline */
.an-wave { height: 74px; margin-bottom: 10px; }
.an-wave svg { width: 100%; height: 100%; display: block; }
.an-wave polygon { fill: var(--purple-300); }

.an-timeline { display: flex; gap: 4px; }
.an-seg {
  flex: 1 1 0;
  min-width: 0;
  border-radius: 9px;
  padding: 9px 4px;
  text-align: center;
  background: var(--purple-100);
  border: 1px solid transparent;
}
.an-seg.minor { background: var(--teal-100); }
.an-seg.is-diff { border-color: var(--purple-500); box-shadow: 0 0 0 1px rgba(124, 58, 237, 0.15); }
.an-seg.minor.is-diff { border-color: var(--teal-600); }
.an-seg.is-quiet { background: #F3F4F6; }
.an-seg-key { display: block; font-size: 13px; font-weight: 700; color: var(--purple-700); }
.an-seg.minor .an-seg-key { color: var(--teal-700); }
.an-seg-time { display: block; font-size: 10px; color: var(--ink-500); margin-top: 2px; }

/* ---------- Beta ---------- */
.an-beta {
  display: inline-block;
  vertical-align: middle;
  margin-left: 6px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--amber-500);
  color: #3B2405;
  font-family: 'Geist', system-ui, sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.an-beta-note {
  margin: 20px auto 0;
  max-width: 780px;
  padding: 16px 20px;
  border: 1px solid rgba(245, 158, 11, 0.35);
  background: #FFFBEB;
  border-radius: 14px;
}
.an-beta-note p { margin: 0; font-size: 14px; line-height: 1.6; color: var(--ink-700); }
.an-beta-note .an-beta { margin: 0 6px 0 0; }

/* ½ / ×2 tempo nudge */
.an-bpm-adjust { display: inline-flex; gap: 4px; }
.an-bpm-adjust button {
  appearance: none;
  border: 1px solid var(--an-line);
  background: var(--white);
  border-radius: 8px;
  padding: 4px 9px;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-500);
  cursor: pointer;
  line-height: 1.2;
}
.an-bpm-adjust button:hover { border-color: var(--purple-400); color: var(--purple-700); background: var(--purple-50); }
.an-bpm-adjust button:disabled { opacity: 0.35; cursor: default; }

.an-privacy-note {
  margin: 18px 0 0;
  text-align: center;
  font-size: 13.5px;
  color: var(--ink-500);
}

/* ---------- Microphone ---------- */
.an-mic {
  background: var(--white);
  border: 1px solid var(--an-line);
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  padding: 34px 28px;
  text-align: center;
}
.an-mic-lead { max-width: 620px; margin: 0 auto; color: var(--ink-700); font-size: 15px; line-height: 1.6; }
.an-mic-stage { display: flex; flex-direction: column; align-items: center; gap: 16px; margin: 26px 0 18px; }
.an-mic-ring {
  --fill: 0%;
  position: relative;
  width: 108px;
  height: 108px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: conic-gradient(var(--purple-500) var(--fill), var(--purple-100) 0);
  transition: background 0.2s linear;
}
.an-mic-ring::after {
  content: '';
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  background: var(--white);
}
.an-mic-level {
  position: relative;
  z-index: 1;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: var(--purple-500);
  transform: scale(0.55);
  transition: transform 0.08s ease-out;
}
.an-mic-ring.is-live .an-mic-level { background: var(--red-500); }
.an-mic-btn { padding: 12px 26px; }
.an-mic-status { font-size: 13.5px; color: var(--ink-500); min-height: 20px; }
.an-mic-len { display: inline-flex; gap: 6px; }
.an-chip {
  appearance: none;
  border: 1px solid var(--an-line);
  background: var(--white);
  border-radius: 999px;
  padding: 6px 15px;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-500);
  cursor: pointer;
}
.an-chip.is-on { background: var(--purple-600); border-color: var(--purple-600); color: var(--white); }

/* ---------- Tap ---------- */
.an-tap {
  background: var(--white);
  border: 1px solid var(--an-line);
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  padding: 34px 28px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.an-tap-readout { display: flex; align-items: baseline; gap: 8px; }
.an-tap-readout span {
  font-size: 64px;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--purple-700);
  font-variant-numeric: tabular-nums;
}
.an-tap-readout small { font-size: 13px; font-weight: 700; letter-spacing: 0.14em; color: var(--ink-500); }
.an-tap-btn {
  appearance: none;
  border: 0;
  border-radius: 20px;
  padding: 26px 54px;
  background: linear-gradient(180deg, var(--purple-500), var(--purple-600));
  color: var(--white);
  font: inherit;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: transform 0.09s ease, box-shadow 0.15s ease;
}
.an-tap-btn small { font-size: 12px; font-weight: 500; opacity: 0.82; }
.an-tap-btn.is-hit { transform: scale(0.96); box-shadow: var(--shadow-sm); }
.an-tap-meta { font-size: 13.5px; color: var(--ink-500); }

/* ---------- Chords in the key ---------- */
.an-chords {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
}
.an-chord {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 12px 6px;
  border-radius: 12px;
  background: var(--white);
  border: 1px solid var(--an-line-soft);
}
.an-chord-name { font-size: 17px; font-weight: 700; letter-spacing: -0.02em; }
.an-chord-num { font-size: 11px; color: var(--ink-500); }
.an-chord.is-tonic { background: var(--purple-100); border-color: var(--purple-300); }
.an-chord.is-tonic .an-chord-name { color: var(--purple-700); }
.an-chords.minor .an-chord.is-tonic { background: var(--teal-100); border-color: var(--teal-300); }
.an-chords.minor .an-chord.is-tonic .an-chord-name { color: var(--teal-700); }

/* ---------- Tap: note lengths ---------- */
.an-tap-derived {
  width: 100%;
  max-width: 620px;
  margin-top: 10px;
  padding-top: 20px;
  border-top: 1px solid var(--an-line-soft);
}
.an-tap-derived h3 { font-size: 15px; font-weight: 700; margin: 0 0 4px; }
.an-tap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.an-tap-cell {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 8px;
  border-radius: 11px;
  background: var(--purple-50);
  border: 1px solid var(--an-line-soft);
}
.an-tap-div { font-size: 11.5px; color: var(--ink-500); font-weight: 600; }
.an-tap-ms { font-size: 15px; font-weight: 700; color: var(--purple-700); }

/* ---------- Metronome ---------- */
.an-metro {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  padding-top: 4px;
}
.an-metro-btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border: 1px solid var(--an-line);
  background: var(--white);
  border-radius: 999px;
  padding: 9px 18px;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-700);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
}
.an-metro-btn:active { transform: scale(0.97); }
.an-metro-icon {
  width: 0; height: 0;
  border-left: 10px solid currentColor;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}
.an-metro-btn.is-on { background: var(--purple-600); border-color: var(--purple-600); color: var(--white); }
.an-metro-btn.is-on .an-metro-icon {
  width: 10px; height: 11px;
  border: 0;
  background: currentColor;
  border-radius: 2px;
}
.an-metro-tempo {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--ink-500);
  font-weight: 600;
}
.an-metro-tempo input {
  width: 74px;
  padding: 7px 9px;
  border: 1px solid var(--an-line);
  border-radius: 9px;
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-900);
  text-align: center;
}
.an-metro-unit { font-size: 11px; letter-spacing: 0.08em; }
.an-metro-beats { display: inline-flex; gap: 6px; }
.an-metro-beats span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--purple-200);
  transition: background-color 0.06s linear, transform 0.06s linear;
}
.an-metro-beats span.is-on { background: var(--purple-600); transform: scale(1.35); }
.an-metro-beats span:first-child.is-on { background: var(--teal-500); }

/* ---------- Transposer ---------- */
.an-transpose {
  background: var(--white);
  border: 1px solid var(--an-line);
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  padding: 26px;
  margin-top: 30px;
}
.an-tr-controls {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 18px;
  align-items: start;
}
.an-tr-field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.an-tr-field > span { font-size: 11.5px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-500); }
.an-tr-field small { font-size: 11.5px; color: var(--ink-500); text-align: center; }
.an-tr-field select {
  appearance: none;
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--an-line);
  border-radius: 11px;
  background: var(--white);
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-900);
  cursor: pointer;
}
.an-tr-stepper { display: inline-flex; align-items: center; gap: 4px; }
.an-tr-stepper button {
  appearance: none;
  width: 38px; height: 42px;
  border: 1px solid var(--an-line);
  background: var(--white);
  border-radius: 11px;
  font: inherit;
  font-size: 19px;
  font-weight: 700;
  color: var(--purple-700);
  cursor: pointer;
  line-height: 1;
}
.an-tr-stepper button:hover { background: var(--purple-50); border-color: var(--purple-300); }
.an-tr-stepper button:active { transform: scale(0.95); }
.an-tr-stepper output {
  min-width: 52px;
  text-align: center;
  font-family: 'Geist Mono', ui-monospace, monospace;
  font-size: 19px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.an-tr-result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin: 22px 0 16px;
  padding: 16px 18px;
  border-radius: 14px;
  background: linear-gradient(180deg, var(--purple-50), rgba(255, 255, 255, 0));
  border: 1px solid var(--an-line-soft);
}
.an-tr-arrow { display: flex; align-items: center; gap: 12px; font-size: 21px; font-weight: 700; letter-spacing: -0.02em; }
.an-tr-arrowmark { color: var(--purple-500); font-weight: 500; }
.an-tr-codes { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.an-piano-wrap { margin-top: 20px; }
.an-piano-wrap .piano { margin-top: 8px; }
.an-piano-wrap .white-key.is-hit, .an-piano-wrap .black-key.is-hit { filter: brightness(0.86); }

/* ---------- Camelot wheel ---------- */
.an-wheel-layout {
  display: grid;
  grid-template-columns: minmax(0, 360px) 1fr;
  gap: 34px;
  align-items: center;
  margin-top: 30px;
}
.an-wheel svg { width: 100%; height: auto; display: block; }
.an-wseg { cursor: pointer; }
.an-wseg path {
  fill: var(--purple-100);
  stroke: var(--white);
  stroke-width: 2;
  transition: fill 0.16s ease;
}
.an-wseg.minor path { fill: var(--teal-100); }
.an-wseg:hover path { fill: var(--purple-200); }
.an-wseg.minor:hover path { fill: var(--teal-300); }
.an-wseg.is-friend path { fill: var(--purple-300); }
.an-wseg.minor.is-friend path { fill: var(--teal-300); }
.an-wseg.is-sel path { fill: var(--purple-600); }
.an-wseg.minor.is-sel path { fill: var(--teal-600); }
.an-wcode, .an-wname {
  text-anchor: middle;
  pointer-events: none;
  font-family: 'Geist', system-ui, sans-serif;
  fill: var(--ink-700);
}
.an-wcode { font-size: 12px; font-weight: 700; }
.an-wname { font-size: 10px; fill: var(--ink-500); }
.an-wseg.is-sel .an-wcode, .an-wseg.is-sel .an-wname { fill: var(--white); }
.an-wseg:focus-visible path { stroke: var(--purple-700); stroke-width: 3; }

.an-wheel-key { font-size: 30px; font-weight: 800; letter-spacing: -0.03em; margin-top: 6px; }
.an-wheel-code { font-size: 13px; color: var(--ink-500); margin-bottom: 16px; }
.an-wheel-info .an-mix { margin-bottom: 14px; }
.an-wheel-note { margin: 0; }

/* ---------- Comparison ---------- */
.an-compare-scroll { overflow-x: auto; margin-top: 30px; }
.an-compare {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border: 1px solid var(--an-line);
  border-radius: 16px;
  overflow: hidden;
  font-size: 14.5px;
  min-width: 620px;
}
.an-compare th, .an-compare td { padding: 13px 16px; text-align: left; }
.an-compare thead th {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-500);
  border-bottom: 1px solid var(--an-line);
}
.an-compare thead th:nth-child(2) { color: var(--purple-700); }
.an-compare tbody tr { border-top: 1px solid var(--an-line-soft); }
.an-compare tbody th { font-weight: 600; }
.an-compare td.y { color: var(--green-600); font-weight: 700; }
.an-compare td.n { color: var(--ink-500); }
.an-compare td.p { color: var(--ink-500); }
.an-compare td.y::before { content: '✓ '; }
.an-compare td.n::before { content: '✕ '; }

/* ---------- How + CTA ---------- */
.an-how { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 30px; }
.an-cta { display: flex; align-items: center; gap: 40px; justify-content: space-between; }
.an-cta h2 { font-size: clamp(24px, 3.2vw, 34px); margin: 10px 0 0; }
.an-cta .an-sub { margin: 14px 0 22px; }
.an-cta-icon { flex: none; border-radius: 24px; box-shadow: var(--shadow-lg); }

/* ---------- Responsive ---------- */
@media (max-width: 940px) {
  .an-detail-grid { grid-template-columns: 1fr 1fr; }
  .an-how { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .an-hero { padding: 48px 0 26px; }
  .an-detail-grid { grid-template-columns: 1fr; }
  .an-how { grid-template-columns: 1fr; }
  .an-cta { flex-direction: column; text-align: center; }
  .an-cta-icon { order: -1; width: 108px; height: 108px; }
  .an-tabs { display: flex; width: 100%; }
  .an-tab { flex: 1; padding: 9px 6px; font-size: 13px; }
  .an-drop { padding: 38px 18px; }
  .an-name, .an-fname, .an-progress { max-width: 180px; }
  .an-key-card { flex-direction: column; text-align: center; }
  .an-key-codes { justify-content: center; }
  .an-chroma { gap: 3px; height: 130px; }
  .an-chroma-val { display: none; }
  .an-seg-time { display: none; }
  .an-tap-btn { padding: 22px 32px; width: 100%; }
  .an-chords { grid-template-columns: repeat(4, 1fr); }
  .an-tap-grid { grid-template-columns: repeat(2, 1fr); }
  .an-transpose { padding: 18px; }
  .an-tr-controls { grid-template-columns: 1fr; gap: 14px; }
  .an-tr-field:nth-child(2) { align-items: center; }
  .an-tr-arrow { font-size: 18px; }
  .an-wheel-layout { grid-template-columns: 1fr; gap: 22px; }
  .an-metro { gap: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .an-ring-bar, .an-chroma-bar, .an-progress-bar, .an-mic-level, .an-mic-ring { transition: none; }
}