/* Estilos para las alertas personalizadas */
.custom-alert {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    min-width: 300px;
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    justify-content: space-between;
    animation: slideIn 0.3s ease-out;
}

.custom-alert.success {
    background-color: #d4edda;
    border-left: 4px solid #28a745;
    color: #155724;
}

.custom-alert.error {
    background-color: #f8d7da;
    border-left: 4px solid #dc3545;
    color: #721c24;
}

.custom-alert.warning {
    background-color: #fff3cd;
    border-left: 4px solid #ffc107;
    color: #856404;
}

.custom-alert .btn-close {
    padding: 0.5rem;
    margin: -0.5rem -0.5rem -0.5rem 0.5rem;
    opacity: 0.8;
}

.custom-alert .btn-close:hover {
    opacity: 1;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}