.notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    max-width: 300px;
}

.notification {
    position: relative;
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    opacity: 0;
    transition: opacity 0.5s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.notification.show {
    opacity: 1;
}

.notification .close-btn {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    margin-left: auto;
    color: rgba(0,0,0,0.5);
}

.notification .progress-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(0,0,0,0.1);
}

.notification .progress-bar-fill {
    height: 100%;
    background-color: rgba(255,255,255,0.7);
    width: 0%;
}

/* Types de notifications */
.notification.success {
    background-color: #4CAF50;
    color: white;
}

.notification.error {
    background-color: #F44336;
    color: white;
}

.notification.warning {
    background-color: #FF9800;
    color: white;
}

.notification.info {
    background-color: #2196F3;
    color: white;
}