/*
 * Identidade C-Driven Lab. Cores oficiais: magenta #fd3db5, creme #fbf6f6,
 * preto #191518 (mesmos valores do Cdriven-Diagnostico).
 *
 * Contraste: branco sobre o magenta não passa AA, então o botão magenta leva
 * texto PRETO. Texto magenta pequeno sobre o creme também não passa, por isso
 * existe --magenta-texto, um tom mais fechado só para letra.
 */
:root {
  --font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;

  --magenta: #fd3db5;
  --magenta-hover: #e51a9b;
  --creme: #fbf6f6;
  --preto: #191518;

  --bg: var(--creme);
  --card: #ffffff;
  --fg: var(--preto);
  --muted: #6f6873;
  --line: #eadfe4;
  --soft: #f6e8ef;
  --accent: var(--magenta);
  --accent-hover: var(--magenta-hover);
  --accent-ink: var(--preto);
  --accent-texto: #c2187f;
  --accent-soft: #fde3f3;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: var(--preto);
    --card: #241e22;
    --fg: var(--creme);
    --muted: #b6aab1;
    --line: #3a3036;
    --soft: #2e252b;
    --accent-texto: var(--magenta);
    --accent-soft: #3a1c2f;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
/* O display: grid de form e .resultado venceria o atributo hidden sem isto. */
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  padding-block: 24px 40px;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.wrap { max-width: 640px; margin: 0 auto; display: grid; gap: 24px; min-width: 0; }
h1, h2 { line-height: 1.15; margin: 0; text-wrap: balance; letter-spacing: -0.02em; }
h1 { font-size: clamp(1.9rem, 7vw, 2.6rem); font-weight: 800; }
h2 { font-size: 1.3rem; font-weight: 700; }
p { margin: 0; }
a { color: var(--accent-texto); }

.topo { display: grid; gap: 14px; }
.logo { display: inline-block; width: fit-content; }
.logo img { display: block; width: 180px; height: auto; }
.lead { color: var(--muted); max-width: 52ch; }
.nota { color: var(--muted); font-size: .92rem; }

/* --- Perguntas --- */
form { display: grid; gap: 14px; min-width: 0; }
.perguntas { display: grid; gap: 14px; }
fieldset.q {
  border: 1px solid var(--line); background: var(--card); border-radius: 14px;
  padding: 14px 14px 16px; margin: 0; min-width: 0; display: grid; gap: 12px;
}
fieldset.q.invalido { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
.q legend { padding: 0 6px; font-weight: 700; color: var(--accent-texto); font-size: .9rem; letter-spacing: .02em; }
.q .qtexto { font-size: 1.04rem; font-weight: 500; }
.opcoes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.opcoes label { position: relative; }
.opcoes input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.opcoes span {
  display: grid; place-items: center; min-height: 48px; text-align: center; padding: 4px 6px;
  border: 1.5px solid var(--line); border-radius: 10px; background: var(--bg); font-weight: 600;
  transition: background .12s, border-color .12s, color .12s;
}
.opcoes input:checked + span { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.opcoes input:focus-visible + span { outline: 3px solid var(--accent); outline-offset: 2px; }

/* --- Contato --- */
.contato { border: 1px solid var(--line); background: var(--card); border-radius: 14px; padding: 16px; display: grid; gap: 14px; }
.campo { display: grid; gap: 4px; min-width: 0; }
.campo label { font-weight: 600; font-size: .92rem; }
.campo input {
  width: 100%; min-height: 48px; border-radius: 10px; border: 1.5px solid var(--line);
  background: var(--bg); color: var(--fg); padding: 8px 12px; font: inherit;
}
.campo input:focus-visible { outline: 3px solid var(--accent); outline-offset: 1px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.check { display: grid; grid-template-columns: 24px 1fr; gap: 10px; align-items: start; font-size: .95rem; }
.check input { width: 22px; height: 22px; margin: 2px 0 0; accent-color: var(--accent); }
.check small { color: var(--muted); display: block; margin-top: 2px; }

/* --- Botões --- */
button { font: inherit; cursor: pointer; }
.btn {
  min-height: 52px; border: 0; border-radius: 12px; background: var(--accent); color: var(--accent-ink);
  font-weight: 700; padding: 10px 20px; font-size: 1.02rem; transition: background .12s;
}
.btn:hover { background: var(--accent-hover); }
.btn:focus-visible, .fantasma:focus-visible { outline: 3px solid var(--fg); outline-offset: 2px; }
.btn[disabled] { opacity: .65; cursor: default; }
.fantasma {
  min-height: 44px; border: 1.5px solid var(--line); background: transparent; color: var(--fg);
  border-radius: 10px; padding: 6px 14px; font-weight: 600; width: fit-content;
}
.erro { color: var(--accent-texto); font-weight: 600; font-size: .92rem; min-height: 1.3em; }

/* --- Resultado --- */
.resultado { display: grid; gap: 18px; min-width: 0; }
.resultado:focus { outline: none; }
.blocos { display: grid; gap: 12px; }
.bloco {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px;
  display: grid; grid-template-columns: 44px 1fr; gap: 14px; min-width: 0;
}
.bloco .num { font-weight: 800; font-size: 2rem; color: var(--accent); line-height: 1; }
.bloco .peca { font-size: .76rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 700; }
.bloco .trava { font-weight: 500; margin: 2px 0 10px; }
.bloco .pergunta { background: var(--accent-soft); border-radius: 10px; padding: 10px 12px; font-size: .96rem; }
.bloco .pergunta b { display: block; font-size: .74rem; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 2px; color: var(--accent-texto); }
.destaque { background: var(--soft); border-radius: 12px; padding: 12px 14px; }

.rodape { display: flex; gap: 10px; align-items: center; color: var(--muted); font-size: .85rem; padding-top: 8px; border-top: 1px solid var(--line); }
.rodape img { display: block; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }
@media (max-width: 420px) {
  .bloco { grid-template-columns: 32px 1fr; gap: 10px; }
  .bloco .num { font-size: 1.5rem; }
}