/* ===== VARIABLES (Consistencia de marca) ===== */
:root {
  --violeta: #4b0076;
  --violeta-claro: #6a00a3;
  --lila-bg: #f6d9f3;
  --blanco: #ffffff;
  --texto: #2d2d2d;
  --gris-claro: #f4eff5;
  --verde-exito: #27ae60;
  --rojo-error: #c0392b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Montserrat', sans-serif;
  background: linear-gradient(135deg, #fdfbfd 0%, #eac8f4 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 0; /* Un poco de aire arriba y abajo */
}

/* ===== CONTENEDOR ===== */
.register-container {
  width: 100%;
  padding: 10px;
  display: flex;
  justify-content: center;
}

/* ===== TARJETA (Glassmorphism) ===== */
.register-card {
  background: rgba(255, 255, 255, 0.95);
  width: 100%;
  max-width: 450px; /* Un poquito más ancha que el login */
  padding: 40px 30px;
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(75, 0, 118, 0.15);
  text-align: center;
  border: 1px solid rgba(255,255,255,0.8);
  position: relative;
  overflow: hidden;
}

/* Barra superior decorativa */
.register-card::before {
    content: "";
    position: absolute; top: 0; left: 0; width: 100%; height: 6px;
    background: var(--violeta);
}

/* ===== HEADER ===== */
.logo-circle {
    width: 70px; height: 70px;
    margin: 0 auto 10px;
    background: var(--lila-bg);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
}
.logo-circle img { width: 45px; height: auto; }

.register-header h1 {
    font-family: 'Playfair Display', serif;
    color: var(--violeta);
    font-size: 24px; margin: 0 0 5px;
}
.register-header p {
    color: #666; font-size: 14px; margin: 0 0 20px;
}

/* ===== ALERTAS ===== */
.alerta {
    padding: 12px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 600;
    display: flex; align-items: center; justify-content: center; gap: 8px;
    transition: opacity 0.5s ease;
}
.alerta.ok { background: #d4edda; color: var(--verde-exito); border: 1px solid #c3e6cb; }
.alerta.error { background: #f8d7da; color: var(--rojo-error); border: 1px solid #f5c6cb; }
.alerta.existe { background: #fff3cd; color: #856404; border: 1px solid #ffeeba; }

/* ===== INPUTS ===== */
.input-group { text-align: left; margin-bottom: 15px; }

.input-group label {
    font-size: 12px; font-weight: 700; color: var(--violeta);
    margin-bottom: 5px; display: block;
    text-transform: uppercase; letter-spacing: 0.5px;
}

.input-wrapper { position: relative; display: flex; align-items: center; }

.input-wrapper i {
    position: absolute; left: 15px;
    color: #a88bb5; font-size: 15px;
}

/* Botón ojo password */
.input-wrapper .show-pass {
    left: auto; right: 15px; cursor: pointer; transition: color 0.3s;
}
.input-wrapper .show-pass:hover { color: var(--violeta); }

.input-wrapper input {
    width: 100%;
    padding: 12px 40px 12px 40px;
    border: 2px solid var(--gris-claro);
    background: var(--gris-claro);
    border-radius: 12px;
    font-size: 14px;
    color: var(--texto);
    font-family: 'Montserrat', sans-serif;
    transition: all 0.3s ease;
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--violeta);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(75, 0, 118, 0.1);
}

/* ===== BOTÓN REGISTRO ===== */
.btn-register {
    width: 100%; margin-top: 10px;
    padding: 14px;
    background: var(--violeta); color: white;
    border: none; border-radius: 50px;
    font-size: 16px; font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    display: flex; align-items: center; justify-content: center; gap: 10px;
    box-shadow: 0 10px 20px rgba(75, 0, 118, 0.2);
}
.btn-register:hover {
    background: var(--violeta-claro);
    transform: translateY(-2px);
    box-shadow: 0 15px 25px rgba(75, 0, 118, 0.3);
}

/* ===== FOOTER ===== */
.register-footer { margin-top: 25px; font-size: 14px; color: #555; }
.register-footer a { color: var(--violeta); font-weight: 700; text-decoration: none; }
.register-footer a:hover { text-decoration: underline; }

.back-home {
    display: inline-block; margin-top: 15px;
    font-size: 13px; color: #888 !important; font-weight: 500 !important;
}
.back-home:hover { color: var(--violeta) !important; }

/* ===== RESPONSIVE ===== */
@media (max-width: 480px) {
    .register-card { padding: 30px 20px; }
    .input-wrapper input { padding: 10px 35px; }
}