:root {
  --bg: #f6f5f1;
  --card: #ffffff;
  --text: #1d1c1a;
  --muted: #6b6860;
  --line: #e2dfd7;
  --accent: #2f5d50;
  --accent-ink: #ffffff;
  --sim: #2f6b3c;
  --nao: #8a3b2e;
  --warn: #8a6a12;
  --radius: 12px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161614;
    --card: #1f1f1c;
    --text: #ecebe6;
    --muted: #a19e94;
    --line: #34332e;
    --accent: #7fb3a3;
    --accent-ink: #10201b;
    --sim: #86c493;
    --nao: #e09a8c;
    --warn: #d8b85a;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
header {
  padding: 20px 16px 8px;
  max-width: 720px;
  margin: 0 auto;
}
header h1 { font-size: 1.35rem; margin: 0 0 4px; letter-spacing: -0.01em; }
header p { margin: 0; color: var(--muted); font-size: 0.92rem; }
nav { display: flex; gap: 16px; margin-top: 12px; font-size: 0.92rem; }
nav a { color: var(--accent); text-decoration: none; font-weight: 600; }
nav a[aria-current="page"] { color: var(--text); text-decoration: underline; text-underline-offset: 4px; }
main { max-width: 720px; margin: 0 auto; padding: 8px 16px 64px; }
section.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin: 12px 0;
}
h2 { font-size: 1.05rem; margin: 0 0 10px; }
h3 { font-size: 0.98rem; margin: 0 0 8px; }
label { display: block; font-size: 0.86rem; color: var(--muted); margin: 10px 0 4px; }
input, select, textarea {
  width: 100%;
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
}
textarea { min-height: 72px; resize: vertical; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
@media (max-width: 480px) { .grid2 { grid-template-columns: 1fr; } }
button {
  font: inherit;
  font-weight: 600;
  border: 0;
  border-radius: 10px;
  padding: 12px 16px;
  background: var(--accent);
  color: var(--accent-ink);
  cursor: pointer;
}
button.sec { background: transparent; color: var(--accent); border: 1px solid var(--line); }
button:disabled { opacity: 0.5; cursor: default; }
.instrucao { background: var(--bg); border-radius: 8px; padding: 12px; font-size: 0.94rem; }
.pergunta { font-weight: 600; margin: 12px 0 0; }
.lado { border-top: 1px solid var(--line); padding-top: 14px; margin-top: 14px; }
.lado .etapa { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.termo {
  display: flex; gap: 8px; align-items: center;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9rem;
  background: var(--bg); border-radius: 8px; padding: 8px 10px; margin: 6px 0;
  overflow-wrap: anywhere;
}
.termo span { flex: 1; }
.termo button { padding: 6px 10px; font-size: 0.82rem; }
.simnao { display: flex; gap: 8px; margin-top: 8px; }
.simnao button { flex: 1; background: transparent; color: var(--text); border: 1px solid var(--line); }
.simnao button[aria-pressed="true"][data-v="sim"] { background: var(--sim); border-color: var(--sim); color: var(--card); }
.simnao button[aria-pressed="true"][data-v="nao"] { background: var(--nao); border-color: var(--nao); color: var(--card); }
.msg { margin-top: 12px; font-size: 0.92rem; }
.msg.ok { color: var(--sim); }
.msg.erro { color: var(--nao); }
.aviso { color: var(--warn); font-size: 0.88rem; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 6px 4px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 500; }
.veredito { font-weight: 600; margin-top: 10px; }
.veredito.assimetria { color: var(--warn); }
.veredito.sem_evidencia { color: var(--sim); }
.veredito.insuficiente { color: var(--muted); }
.barra { height: 8px; background: var(--bg); border-radius: 4px; overflow: hidden; }
.barra i { display: block; height: 100%; background: var(--accent); }
.pequeno { font-size: 0.84rem; color: var(--muted); }
.oculto { display: none; }