/* Fluência: estética fintech limpa. Cinza claro, cards brancos arredondados, pílula preta ativa,
   amarelo só como acento. Cores de dados (heat strip) em uma rampa sequencial azul. */
:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --line: #e6e6e3;
  --ring: rgba(11, 11, 11, 0.10);
  --accent: #ffd60a;          /* amarelo Vault, acento */
  --accent-ink: #1a1500;
  --black: #111111;
  --good: #0ca30c;
  --critical: #d03b3b;
  --warning: #fab219;
  /* rampa sequencial azul (dataviz reference palette) */
  --seq-100: #cde2fb; --seq-200: #9ec5f4; --seq-300: #6da7ec; --seq-400: #3987e5;
  --seq-500: #256abf; --seq-600: #184f95; --seq-700: #0d366b;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 6px 20px rgba(0,0,0,.05);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { background: var(--bg); color: var(--ink); font-family: var(--font); font-size: 15px; line-height: 1.45; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
button { font-family: inherit; }

.app { max-width: 1040px; margin: 0 auto; padding: 20px 16px 60px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }
.brand { display: flex; align-items: baseline; gap: 10px; }
.brand h1 { font-size: 20px; margin: 0; letter-spacing: -0.01em; }
.brand .sub { color: var(--muted); font-size: 13px; }
.pills { display: inline-flex; background: #e9eaed; border-radius: 999px; padding: 3px; gap: 2px; }
.pill { border: 0; background: transparent; color: var(--ink-2); padding: 7px 14px; border-radius: 999px; font-size: 14px; cursor: pointer; }
.pill.active { background: var(--black); color: #fff; }
.pill:disabled { opacity: .5; cursor: default; }

.card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; margin-bottom: 16px; }
.card h2 { margin: 0 0 4px; font-size: 16px; }
.card h3 { margin: 18px 0 8px; font-size: 13px; color: var(--ink-2); text-transform: uppercase; letter-spacing: .04em; }
.card .lead { color: var(--ink-2); margin: 0 0 12px; }
.grid { display: grid; gap: 16px; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.mono { font-variant-numeric: tabular-nums; }

.btn { border: 1px solid var(--ring); background: #fff; color: var(--ink); border-radius: 999px; padding: 10px 18px; font-size: 14px; cursor: pointer; }
.btn:hover { background: #f7f7f5; }
.btn.primary { background: var(--black); color: #fff; border-color: var(--black); }
.btn.primary:hover { background: #000; }
.btn.accent { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.danger { color: var(--critical); }
.btn:disabled { opacity: .45; cursor: default; }
.btn.lg { padding: 13px 24px; font-size: 15px; }

.tag { display: inline-flex; align-items: center; gap: 6px; border-radius: 999px; padding: 3px 10px; font-size: 12px; background: #f0f0ee; color: var(--ink-2); }
.tag .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.tag.ok .dot { background: var(--good); }
.tag.off .dot { background: var(--critical); }
.tag.warn .dot { background: var(--warning); }

/* KPI row */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.kpi { background: #fafaf9; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px 14px; }
.kpi .label { font-size: 12px; color: var(--ink-2); }
.kpi .value { font-size: 26px; font-weight: 600; letter-spacing: -0.01em; margin-top: 2px; }
.kpi .unit { font-size: 13px; color: var(--muted); font-weight: 400; margin-left: 4px; }
.kpi .note { font-size: 12px; color: var(--muted); margin-top: 2px; }
.hero { font-size: 48px; font-weight: 600; letter-spacing: -0.02em; line-height: 1; }

/* heat strip */
.heat { display: grid; grid-template-columns: repeat(auto-fit, minmax(96px, 1fr)); gap: 8px; }
.cell { border-radius: var(--radius-sm); padding: 10px 10px 8px; min-height: 68px; display: flex; flex-direction: column; justify-content: space-between; border: 1px solid var(--line); cursor: default; }
.cell .sym { font-size: 20px; font-weight: 600; }
.cell .lbl { font-size: 11px; opacity: .85; }
.cell .val { font-size: 13px; font-weight: 600; }
.cell.l0 { background: #f6f6f4; color: var(--ink); }
.cell.l1 { background: var(--seq-100); color: var(--ink); }
.cell.l2 { background: var(--seq-200); color: var(--ink); }
.cell.l3 { background: var(--seq-400); color: #fff; }
.cell.l4 { background: var(--seq-600); color: #fff; }
.legend { display: flex; gap: 6px; align-items: center; font-size: 12px; color: var(--muted); margin-top: 8px; }
.legend i { display: inline-block; width: 14px; height: 10px; border-radius: 2px; }

/* passagem */
.passage { font-size: 18px; line-height: 1.9; }
.passage .w { padding: 1px 3px; border-radius: 4px; cursor: pointer; }
.passage .w.a1 { background: var(--seq-100); }
.passage .w.a2 { background: var(--seq-200); }
.passage .w.a3 { background: var(--seq-400); color: #fff; }
.passage .w.om { text-decoration: line-through; color: var(--muted); }
.passage .w.st { border-bottom: 2px solid var(--accent); }
.passage .w.stf { border-bottom: 2px solid var(--critical); }
.passage .w.playing { outline: 2px solid var(--black); }
.reading { font-size: 20px; line-height: 1.8; }

/* listas de erro */
.errs { margin: 0; padding: 0; list-style: none; }
.errs li { display: grid; grid-template-columns: 1fr auto; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.errs li:last-child { border-bottom: 0; }
.errs .ex { color: var(--ink-2); font-size: 13px; margin-top: 2px; }
.errs .ex b { color: var(--ink); font-weight: 600; }
.errs .n { font-weight: 600; font-variant-numeric: tabular-nums; }
.errs .seek { color: var(--seq-500); cursor: pointer; text-decoration: underline dotted; }
.tier { display: inline-block; font-size: 11px; padding: 1px 7px; border-radius: 999px; background: #f0f0ee; color: var(--ink-2); margin-right: 6px; }
.tier.t1 { background: var(--black); color: #fff; }
.tier.t2 { background: #d9d9d6; }

/* transcript */
.transcript { font-size: 16px; line-height: 1.8; }
.transcript del { color: var(--critical); text-decoration: line-through; }
.transcript ins { text-decoration: none; font-weight: 600; background: #fff7cc; border-radius: 3px; padding: 0 2px; }
.transcript .f { color: var(--muted); font-style: italic; }

/* baseline wizard */
.steps { display: flex; gap: 6px; margin-bottom: 14px; }
.steps span { flex: 1; height: 4px; border-radius: 2px; background: var(--line); }
.steps span.done { background: var(--black); }
.steps span.cur { background: var(--accent); }
.timer { font-size: 44px; font-weight: 600; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.rec-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; background: var(--critical); animation: blink 1s infinite; vertical-align: middle; margin-right: 6px; }
@keyframes blink { 50% { opacity: .2; } }
.meter { height: 6px; border-radius: 3px; background: var(--line); overflow: hidden; }
.meter i { display: block; height: 100%; width: 0; background: var(--black); transition: width .08s linear; }
.status { color: var(--ink-2); font-size: 14px; min-height: 20px; }
.status.err { color: var(--critical); }
.prompt { font-size: 20px; line-height: 1.5; padding: 14px 16px; background: #fafaf9; border-left: 3px solid var(--accent); border-radius: 6px; }
.choices { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }
.choice { border: 1px solid var(--ring); background: #fff; border-radius: 12px; padding: 14px 22px; font-size: 18px; cursor: pointer; min-width: 110px; }
.choice:hover { background: #f7f7f5; }
.choice.ok { border-color: var(--good); background: #eefbee; }
.choice.bad { border-color: var(--critical); background: #fdeeee; }
.choice.syl { font-size: 16px; min-width: 72px; }
.choice:disabled { cursor: default; }
.wordmark { font-size: 28px; font-weight: 600; letter-spacing: .02em; }

audio { width: 100%; margin-top: 8px; }
table.t { width: 100%; border-collapse: collapse; font-size: 14px; }
table.t th, table.t td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); }
table.t th { color: var(--ink-2); font-weight: 500; font-size: 12px; }
.pinbox { max-width: 360px; margin: 60px auto; }
input.txt { width: 100%; font-size: 16px; padding: 10px 12px; border: 1px solid var(--ring); border-radius: 10px; }
@media (max-width: 600px) { .kpi .value { font-size: 22px; } .passage, .reading { font-size: 17px; } }