:root {
  --bg: #0f172a;
  --card: #111827;
  --muted: #9ca3af;
  --text: #e5e7eb;
  --brand: #10b981;
  --brand-strong: #059669;
  --danger: #ef4444;
  --border: #1f2937;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica Neue, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 800px at 20% 0%, #111827, #0b1223 60%, #050914 100%);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

.topnav { position: sticky; top: 0; z-index: 10; backdrop-filter: blur(6px); background: rgba(5, 9, 20, 0.6); border-bottom: 1px solid var(--border); }
.topnav .container { padding: 10px 16px; }
.navlink { color: var(--text); text-decoration: none; padding: 8px 12px; border-radius: 8px; border: 1px solid transparent; }
.navlink:hover { border-color: var(--border); }
.navlink.active { background: var(--brand); color: #06281f; }

.container {
  max-width: 1100px;
  margin: 32px auto;
  padding: 0 16px 64px;
}

h1 { font-size: 20px; font-weight: 700; margin: 0 0 16px; }
h2 { font-size: 16px; font-weight: 700; margin: 0 0 12px; }

.card {
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01));
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin: 16px 0;
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.grid .full { grid-column: 1 / -1; }

label span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
input, textarea, select, fieldset {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  background: #0b1020;
  color: var(--text);
  border-radius: 8px;
}
input[type="checkbox"], input[type="radio"] { width: auto; accent-color: var(--brand); }

fieldset { padding: 12px; }
legend { padding: 0 6px; color: var(--muted); font-size: 12px; }

.termos { font-size: 13px; color: #cbd5e1; line-height: 1.6; }
.termosCheck { display: flex; align-items: center; gap: 8px; margin-top: 8px; }

.actions { display: flex; gap: 8px; margin-top: 16px; }
button {
  background: var(--brand);
  color: #06281f;
  border: none;
  padding: 10px 14px;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
}
button:hover { background: var(--brand-strong); color: #031812; }
button.secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
button:disabled { opacity: .6; cursor: not-allowed; }

.preview { margin-top: 24px; }
.preview.hidden { display: none; }
.preview header { text-align: center; margin-bottom: 12px; }

.printable {
  background: #ffffff;
  color: #111827;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 24px;
}
.printable h3 { margin: 0 0 8px; font-size: 18px; }
.printable h4 { margin: 16px 0 6px; font-size: 14px; color: #111827; }
.printable p, .printable li { color: #111827; }

.signatures {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 32px;
}
.signature-line { margin-top: 40px; border-top: 1px solid #111827; padding-top: 6px; text-align: center; }

@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; }
}

@media print {
  body { background: #ffffff; }
  .container { max-width: 100%; margin: 0; padding: 0; }
  form, .actions, h1 { display: none !important; }
  .preview.hidden { display: block; }
  .printable { border: none; border-radius: 0; padding: 0; box-shadow: none; }
}