:root {
  --bg: #f6f8f5; --ink: #16221b; --weak: #4a5a50; --line: #d6e0d8; --card: #ffffff;
  --accent: #2f7d52; --accent-ink: #ffffff; --danger: #b3321f; --danger-soft: #fbeae6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0f0d; --ink: #f1f6f3; --weak: #a9b9ae; --line: #25332a; --card: #131d17;
    --accent: #86e3ac; --accent-ink: #06160d; --danger: #ff9a86; --danger-soft: #3a1c17;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 46rem; margin: 0 auto; padding: 24px 16px 64px; }
header.topo { max-width: 46rem; margin: 0 auto; padding: 20px 16px 0; display: flex; gap: 16px; flex-wrap: wrap; align-items: baseline; }
header.topo a.marca { font-weight: 700; color: var(--ink); text-decoration: none; font-size: 1.15rem; }
header.topo nav { display: flex; gap: 16px; flex-wrap: wrap; }
a { color: var(--accent); }
h1 { font-size: 1.9rem; line-height: 1.2; margin: 16px 0 4px; }
h2 { font-size: 1.25rem; margin: 32px 0 8px; }
h3 { font-size: 1.05rem; margin: 20px 0 4px; }
p, li { color: var(--ink); }
.meta { color: var(--weak); font-size: .9rem; margin-top: 0; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; margin: 12px 0; display: block; overflow-x: auto; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--weak); font-weight: 600; white-space: nowrap; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 16px; margin: 16px 0; }
.aviso { background: var(--danger-soft); border: 1px solid var(--danger); border-radius: 12px; padding: 12px 14px; }
label { display: block; font-weight: 600; margin: 12px 0 4px; }
input[type=email], input[type=password], input[type=text] {
  width: 100%; padding: 12px; font-size: 1rem; border-radius: 12px; border: 1px solid var(--line);
  background: var(--bg); color: var(--ink);
}
button {
  font: inherit; font-weight: 600; padding: 12px 20px; border-radius: 999px; border: 0; cursor: pointer;
  background: var(--accent); color: var(--accent-ink); margin-top: 16px; min-height: 48px;
}
button.perigo { background: var(--danger); color: var(--bg); }
button[disabled] { opacity: .5; cursor: not-allowed; }
.oculto { display: none; }
footer { max-width: 46rem; margin: 0 auto; padding: 0 16px 40px; color: var(--weak); font-size: .9rem; }

/* Convite por link (`/c/<código>`): a página cabe numa tela, com um botão principal. */
main.convite { min-height: 100dvh; display: flex; flex-direction: column; justify-content: center; gap: 12px; }
a.acao { display: block; padding: 14px 16px; border-radius: 999px; text-align: center; font-weight: 600; text-decoration: none; background: var(--accent); color: var(--accent-ink); }
a.acao.secundaria { background: var(--card); color: var(--ink); border: 1px solid var(--line); }