/* Ajustes generales */
body { -webkit-tap-highlight-color: transparent; }
.hide-scrollbar::-webkit-scrollbar { display: none; }

/* Efecto Vidrio */
.glass {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* Modales */
.modal {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    visibility: hidden;
    transform: scale(0.95);
}
.modal.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

/* Gradientes y Colores */
.gradient-blue { background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%); }
.gradient-gold { background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%); }

/* Utilidades */
.spinner {
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top: 3px solid #fff;
    width: 20px; height: 20px;
    animation: spin 1s linear infinite;
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }