/* ============================================================
   ESCUELA SOBRENATURAL CFH — estilos base
   Paleta oficial (no cambiar sin aprobación)
   ============================================================ */

:root {
  --fondo: #f7f8fc;
  --panel: #ffffff;
  --fondo-2: #eef1fd;
  --linea: rgba(16, 24, 64, 0.08);
  --texto: #10131f;
  --muted: #666f8c;
  --azul: #2540ff;
  --azul-2: #1a2ecc;
  --turquesa: #00f5d4;          /* color firma de CFH */
  --turquesa-oscuro: #056b5d;   /* texto sobre fondos turquesa claros */
  --lima: var(--turquesa);      /* alias: el antiguo lima ahora es el turquesa CFH */
  --oscuro: #0a0f0e;            /* negro CFH (topbar, lado oscuro del login) */
  --error: #dc2626;

  --radio: 16px;
  --radio-sm: 10px;
  --sombra: 0 4px 24px rgba(16, 24, 64, 0.06);
  --sombra-hover: 0 8px 32px rgba(37, 64, 255, 0.14);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  font-weight: 400;
  background: var(--fondo);
  color: var(--texto);
  line-height: 1.55;
  min-height: 100dvh;
}

h1, h2, h3, .display {
  font-family: "Archivo", "Inter", sans-serif;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

a { color: var(--azul); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Formularios ---------- */

.campo { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }

.campo label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.campo input {
  font: inherit;
  padding: 13px 16px;
  border: 1.5px solid transparent;
  border-radius: var(--radio-sm);
  background: var(--fondo-2);
  color: var(--texto);
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}

.campo input:focus {
  outline: none;
  border-color: var(--azul);
  background: var(--panel);
  box-shadow: 0 0 0 4px rgba(37, 64, 255, 0.12);
}

.campo input.invalido { border-color: var(--error); }

.campo .ayuda { font-size: 0.78rem; color: var(--muted); }

/* ---------- Botones ---------- */

.btn {
  font: inherit;
  font-weight: 600;
  border: none;
  border-radius: var(--radio-sm);
  padding: 14px 24px;
  cursor: pointer;
  transition: transform 0.12s, box-shadow 0.15s, opacity 0.15s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-primario {
  background: linear-gradient(135deg, var(--azul), var(--azul-2));
  color: #fff;
  width: 100%;
}
.btn-primario:hover:not(:disabled) { box-shadow: var(--sombra-hover); }

.btn-fantasma {
  background: var(--fondo-2);
  color: var(--azul);
}

/* ---------- Mensajes ---------- */

.alerta {
  padding: 12px 16px;
  border-radius: var(--radio-sm);
  font-size: 0.88rem;
  margin-bottom: 16px;
  display: none;
}
.alerta.visible { display: block; }
.alerta-error { background: rgba(220, 38, 38, 0.08); color: var(--error); }
.alerta-ok { background: rgba(0, 245, 212, 0.14); color: var(--turquesa-oscuro); }

/* ---------- Spinner ---------- */

.spinner {
  width: 18px; height: 18px;
  border: 2.5px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: girar 0.7s linear infinite;
  display: none;
}
.btn.cargando .spinner { display: inline-block; }
.btn.cargando .btn-texto { display: none; }

@keyframes girar { to { transform: rotate(360deg); } }

/* ---------- Animaciones globales ---------- */

@keyframes aparecer {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------- Eyebrow (etiqueta estilo CFH) ---------- */

.eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

/* ---------- Utilidades ---------- */

.muted { color: var(--muted); }
.badge {
  display: inline-block;
  background: var(--fondo-2);
  color: var(--azul);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 999px;
}