/* ==========================================
   REGISTRO - ESTILO PRO DELUXE
   Mantiene línea gráfica negro + dorado
============================================= */

/* Fondo exclusivo para registro */
.fondorergistro {
    background: radial-gradient(circle at top, #0f0f0f 0%, #000000 75%);
}

/* Card más estilizada para registro */
#registerCard {
    background: rgba(10, 10, 10, 0.95);
    border-radius: 22px;
    padding: 35px;
    border: 1px solid rgba(212, 175, 55, 0.25);
    box-shadow:
        0 0 30px rgba(212, 175, 55, 0.12),
        0 0 80px rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    transition: all 0.35s ease;
}

#registerCard:hover {
    transform: translateY(-4px);
    box-shadow:
        0 0 45px rgba(212, 175, 55, 0.25),
        0 0 100px rgba(0, 0, 0, 0.9);
}

/* Título */
#registerCard h3 {
    font-size: 26px;
    letter-spacing: 1px;
}

/* Inputs más refinados */
#registerCard .form-control {
    background: #111;
    border: 1px solid #2a2a2a;
    border-radius: 14px;
    padding: 14px;
    color: #fff;
    transition: all 0.3s ease;
}

#registerCard .form-control:focus {
    border-color: #d4af37;
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.45);
    background: #111;
}

/* Labels */
#registerCard .form-label {
    color: #d4af37;
    font-weight: 500;
    font-size: 14px;
}

/* Botón registro más llamativo */
#registerCard .btn-gold {
    background: linear-gradient(135deg, #d4af37, #b8962e);
    border-radius: 40px;
    padding: 14px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
}

#registerCard .btn-gold:hover {
    background: linear-gradient(135deg, #e6c65c, #caa93d);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.6);
    transform: translateY(-2px);
}

/* Texto inferior */
#registerCard p {
    font-size: 14px;
    color: #ccc;
}

#registerCard a {
    color: #d4af37;
    font-weight: 500;
    transition: 0.3s;
}

#registerCard a:hover {
    color: #ffffff;
}

/* Alertas más elegantes */
#alertContainer .alert {
    border-radius: 14px;
    font-size: 14px;
    border: 1px solid rgba(255, 0, 0, 0.3);
    background: rgba(42, 15, 18, 0.95);
    color: #ffb3b3;
}

/* Animación más suave */
.shake {
    animation: shakePro 0.45s ease;
}

@keyframes shakePro {
    0% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
    100% { transform: translateX(0); }
}

/* Responsive */
@media (max-width: 768px) {
    #registerCard {
        padding: 25px;
    }
}