/* S31 — Modal de autoregistro @aduax.com.
   Archivo aislado para NO modificar style.css (compartido con admin).
   Usa tokens existentes: --surface, --ink, --border, --accent, --shadow-lg. */

.register-modal[hidden] { display: none; }

.register-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.register-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 37, 48, 0.55);
  backdrop-filter: blur(2px);
}

[data-theme="dark"] .register-backdrop {
  background: rgba(0, 0, 0, 0.65);
}

.register-card {
  position: relative;
  width: 100%;
  max-width: 480px;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  padding: 36px 40px 28px;
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  color: var(--ink);
}

.register-header h2 {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: 26px;
  margin: 0 0 8px;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.register-sub {
  margin: 0 0 22px;
  color: var(--ink-mute);
  font-size: 14px;
  line-height: 1.5;
}

.register-sub strong {
  color: var(--ink);
  font-weight: 500;
}

.register-sub em {
  font-style: normal;
  color: var(--accent);
  font-weight: 500;
}

.reg-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.register-card .field {
  margin-bottom: 14px;
}

.register-card .field label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-mute);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.register-card .field input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--ink);
  font-family: inherit;
  font-size: 15px;
  outline: none;
  transition: border-color 120ms ease;
}

.register-card .field input:focus {
  border-color: var(--accent);
}

.register-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
  margin-top: 20px;
}

.register-actions .btn-link {
  background: none;
  border: none;
  color: var(--ink-mute);
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  padding: 8px 4px;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.register-actions .btn-link:hover {
  color: var(--ink);
}

.register-actions .btn-primary {
  padding: 10px 22px;
  font-size: 14px;
}

@media (max-width: 540px) {
  .register-card {
    padding: 28px 22px 22px;
  }
  .reg-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}