:root {
  --bg: #f4f6f5;
  --card: #ffffff;
  --text: #16201c;
  --muted: #5d6b65;
  --line: #d9e0dc;
  --accent: #1f6f54;
  --on-accent: #ffffff;
  --error: #b42318;
  --error-bg: #fdecea;
  --ok-bg: #e6f4ee;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1512;
    --card: #16201c;
    --text: #e8efeb;
    --muted: #9db0a7;
    --line: #2b3a33;
    --accent: #33d6a6;
    --on-accent: #08251c;
    --error: #ff8a80;
    --error-bg: #3a1a17;
    --ok-bg: #12291f;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px 16px;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
}
.card {
  width: 100%;
  max-width: 420px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px 24px;
}
.brand {
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 24px;
}
h1 { font-size: 1.25rem; margin: 0 0 8px; }
p { margin: 0 0 20px; color: var(--muted); font-size: 0.95rem; }
label { display: block; font-size: 0.85rem; font-weight: 600; margin: 0 0 6px; }
.optional { font-weight: 400; color: var(--muted); }
input {
  width: 100%;
  padding: 12px 14px;
  margin: 0 0 16px;
  font: inherit;
  font-size: 1rem; /* 16px evita zoom automático no iOS */
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
}
input:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
button {
  width: 100%;
  padding: 13px 16px;
  font: inherit;
  font-weight: 600;
  color: var(--on-accent);
  background: var(--accent);
  border: 0;
  border-radius: 10px;
  cursor: pointer;
}
button[disabled] { opacity: 0.6; cursor: progress; }
.msg { margin: 16px 0 0; padding: 12px 14px; border-radius: 10px; font-size: 0.9rem; }
.msg[hidden] { display: none; }
.msg.error { color: var(--error); background: var(--error-bg); }
.msg.ok { color: var(--text); background: var(--ok-bg); }
.hint { margin: -8px 0 16px; font-size: 0.8rem; color: var(--muted); }
.links {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin: 20px 0 0;
  font-size: 0.9rem;
}
.links a { color: var(--accent); text-decoration: none; }
.links a:hover, .links a:focus-visible { text-decoration: underline; }
button.secundario {
  color: var(--accent);
  background: transparent;
  border: 1px solid var(--line);
}

/* --- configuração inicial (onboarding) --- */
.card.largo { max-width: 560px; }
.passos { font-size: 0.8rem; font-weight: 600; color: var(--muted); margin: 0 0 16px; }
.etapa[hidden] { display: none; }
.arvore {
  margin: 0 0 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  max-height: 260px;
  overflow-y: auto;
}
.cat { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; padding: 10px 14px; border-bottom: 1px solid var(--line); }
.cat:last-child { border-bottom: 0; }
.cat strong { font-size: 0.9rem; }
.ponto { width: 10px; height: 10px; border-radius: 50%; flex: 0 0 auto; align-self: center; }
.subs { flex: 1 1 100%; font-size: 0.78rem; color: var(--muted); padding-left: 18px; }
.instrucoes { margin: 0 0 20px; padding-left: 20px; color: var(--muted); font-size: 0.9rem; }
.instrucoes li { margin: 0 0 8px; }
.instrucoes a { color: var(--accent); }
.instrucoes strong { color: var(--text); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.85em; }
.resumo { margin: 0 0 20px; padding-left: 20px; color: var(--muted); font-size: 0.9rem; }
.resumo li { margin: 0 0 6px; }