/* ============================================================
   registro.css — Pitch & Putt Digital ID · Página de registro
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@600;700&family=DM+Sans:wght@300;400;500&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --verde:       #2d6a4f;
  --verde-claro: #52b788;
  --verde-hover: #1b4332;
  --fondo:       #f4f7f4;
  --blanco:      #ffffff;
  --gris-borde:  #dde5dd;
  --gris-texto:  #5a6e5a;
  --negro:       #1a2e1a;
  --error:       #e74c3c;
  --exito:       #27ae60;
  --sombra:      0 4px 24px rgba(45,106,79,0.10);
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--fondo);
  color: var(--negro);
  min-height: 100vh;
}

/* ── App wrapper ───────────────────────────────────────────── */
.app {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 1.2rem 3rem;
}

/* ── Header ────────────────────────────────────────────────── */
header {
  text-align: center;
  padding: 2.5rem 0 1.8rem;
  position: relative;
}

.btn-volver {
  position: absolute;
  left: 0;
  top: 2.6rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--verde);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.btn-volver:hover { color: var(--verde-hover); }

header h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  color: var(--verde);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

header p {
  font-size: 0.9rem;
  color: var(--gris-texto);
  margin-top: 0.35rem;
  font-weight: 300;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Línea decorativa bajo el header */
header::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--verde-claro);
  margin: 1rem auto 0;
  border-radius: 2px;
}

/* ── Sección registro ──────────────────────────────────────── */
.registro {
  background: var(--blanco);
  border-radius: 16px;
  padding: 2rem 2rem 2.4rem;
  box-shadow: var(--sombra);
  border: 1px solid var(--gris-borde);
}

.registro h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.25rem;
  color: var(--verde);
  margin-bottom: 1.6rem;
}

/* ── Fieldsets ─────────────────────────────────────────────── */
fieldset {
  border: 1px solid var(--gris-borde);
  border-radius: 10px;
  padding: 1.2rem 1.2rem 1rem;
  margin-bottom: 1.4rem;
}

legend {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--verde-claro);
  padding: 0 0.5rem;
}

/* ── Campos ────────────────────────────────────────────────── */
.campo {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1rem;
}
.campo:last-child { margin-bottom: 0; }

.fila-doble {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--gris-texto);
  letter-spacing: 0.01em;
}

input,
select {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  color: var(--negro);
  background: var(--fondo);
  border: 1.5px solid var(--gris-borde);
  border-radius: 8px;
  padding: 0.65rem 0.85rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  width: 100%;
  appearance: none;
}

input::placeholder { color: #aabcaa; }

input:focus,
select:focus {
  border-color: var(--verde-claro);
  box-shadow: 0 0 0 3px rgba(82,183,136,0.15);
  background: var(--blanco);
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%232d6a4f' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  padding-right: 2.2rem;
  cursor: pointer;
}

/* ── Botón principal ───────────────────────────────────────── */
button[type="submit"] {
  width: 100%;
  margin-top: 1.2rem;
  padding: 0.9rem;
  background: var(--verde);
  color: var(--blanco);
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
  box-shadow: 0 3px 12px rgba(45,106,79,0.25);
}

button[type="submit"]:hover {
  background: var(--verde-hover);
  box-shadow: 0 5px 18px rgba(45,106,79,0.32);
}

button[type="submit"]:active {
  transform: scale(0.98);
}

/* ── Mensajes ──────────────────────────────────────────────── */
#errorMsg, #exitoMsg {
  padding: 0.65rem 0.9rem;
  border-radius: 8px;
  margin-top: 0.8rem;
  font-size: 0.88rem;
}

#errorMsg { background: #fdf0ef; border: 1px solid #f5c6c2; }
#exitoMsg  { background: #edfaf3; border: 1px solid #a8e6c3; }

/* ── Footer ────────────────────────────────────────────────── */
footer {
  text-align: center;
  padding: 2rem 0 0;
  font-size: 0.78rem;
  color: #9aad9a;
  letter-spacing: 0.03em;
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 520px) {
  .registro { padding: 1.4rem 1.2rem 1.8rem; }
  .fila-doble { grid-template-columns: 1fr; gap: 0; }
  .btn-volver { position: static; display: block; margin-bottom: 0.8rem; }
  header { padding-top: 1.5rem; }
}