.notif {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 18px 36px;
    border-radius: 16px;
    font-size: 1rem;
    color: white;
    font-weight: 600;
    z-index: 9999;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideDown 0.5s ease, fadeOut 0.5s 4s ease forwards;
}

.notif-success {
    background: linear-gradient(to right, #4CAF50, #45a049);
}

.notif-error {
    background: linear-gradient(to right, #f44336, #e53935);
}

.notif-logout {
    background: linear-gradient(to right, #b3cde0, #6497b1);
    color: #222;
}

@keyframes slideDown {
    from {
        top: -60px;
        opacity: 0;
    }
    to {
        top: 20px;
        opacity: 1;
    }
}

@keyframes fadeOut {
    to {
        opacity: 0;
        top: -60px;
    }
}