/* Base visual compartilhada (mesma linguagem do ZapAssina). */
:root {
  --paper: #f5f7f6;
  --paper-2: #edf1ef;
  --card: #ffffff;
  --ink: #15211c;
  --ink-2: #43504a;
  --ink-3: #6b7771;
  --rule: #dfe5e2;
  --zap: #0d7a57;
  --zap-deep: #075a40;
  --zap-tint: #e2f1e9;
  --seal: #b3261e;
  --seal-tint: #fbe6e3;
  --amber: #a86a12;
  --amber-tint: #fcf0d6;
  --radius: 10px;
  --radius-lg: 16px;
  --sombra: 0 1px 2px rgba(21, 33, 28, .06), 0 4px 16px rgba(21, 33, 28, .06);
  --fonte: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--fonte);
  font-size: 17px;
  line-height: 1.5;
}
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--zap-deep); }
[hidden] { display: none !important; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 10px 18px;
  border: 1.5px solid transparent; border-radius: var(--radius);
  font-weight: 650; font-size: 1rem; text-decoration: none;
  background: var(--ink); color: #fff;
  transition: background-color .15s, border-color .15s, transform .1s;
}
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn-zap { background: var(--zap); }
.btn-zap:hover:not(:disabled) { background: var(--zap-deep); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--rule); }
.btn-ghost:hover:not(:disabled) { background: var(--paper-2); }
.btn-perigo { background: transparent; color: var(--seal); border-color: #f0c9c4; }
.btn-lg { min-height: 56px; font-size: 1.08rem; padding: 12px 22px; }
.btn-block { width: 100%; }
.btn-link { background: none; border: none; color: var(--zap-deep); font-weight: 600; padding: 6px 4px; min-height: 0; text-decoration: underline; text-underline-offset: 3px; }

.card { background: var(--card); border-radius: var(--radius-lg); box-shadow: var(--sombra); padding: 20px; }

.input, select.input {
  width: 100%; min-height: 54px; padding: 12px 14px;
  border: 1.5px solid #c9d2cd; border-radius: var(--radius);
  background: #fff; font-size: 1.08rem;
  outline: none; transition: border-color .15s, box-shadow .15s;
}
.input:focus { border-color: var(--zap); box-shadow: 0 0 0 4px var(--zap-tint); }
.input[aria-invalid="true"] { border-color: var(--seal); }
select.input {
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath d='M1 1l6 6 6-6' stroke='%2343504a' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px;
}

.alerta { border-radius: var(--radius); padding: 12px 14px; font-size: .95rem; }
.alerta-erro { background: var(--seal-tint); color: #7d1a14; }
.alerta-aviso { background: var(--amber-tint); color: #6e4509; }
.alerta-ok { background: var(--zap-tint); color: var(--zap-deep); }

.spinner {
  width: 22px; height: 22px; border-radius: 50%;
  border: 3px solid var(--zap-tint); border-top-color: var(--zap);
  animation: girar .8s linear infinite;
}
@keyframes girar { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}