.notification-bar {
    position: fixed;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 12px;
    padding: 16px 24px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 9999;
    animation: slideIn 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    max-width: 400px;
    border: 1px solid rgba(0,0,0,0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.notification-bar i {
    color: #4f7cfc;
    font-size: 18px;
    background: rgba(79, 124, 252, 0.1);
    padding: 8px;
    border-radius: 8px;
}

.notification-bar .message {
    color: #2c3e50;
    font-size: 15px;
    flex-grow: 1;
    margin: 0 8px;
    line-height: 1.5;
}

.notification-bar .close-btn {
    color: #a0aec0;
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
    padding: 4px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 6px;
}

.notification-bar .close-btn:hover {
    color: #4f7cfc;
    background: rgba(79, 124, 252, 0.1);
}

@keyframes slideIn {
    from {
        transform: translateX(100%) scale(0.9);
        opacity: 0;
    }
    to {
        transform: translateX(0) scale(1);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0) scale(1);
        opacity: 1;
    }
    to {
        transform: translateX(100%) scale(0.9);
        opacity: 0;
    }
}

.notification-bar.hiding {
    animation: slideOut 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards;
}

/* 暗色模式适配 */
body.night .notification-bar {
    background: linear-gradient(135deg, #2c2e2f 0%, #1a1a1a 100%);
    border-color: rgba(255,255,255,0.05);
}

body.night .notification-bar i {
    color: #4f7cfc;
    background: rgba(79, 124, 252, 0.15);
}

body.night .notification-bar .message {
    color: #e2e8f0;
}

body.night .notification-bar .close-btn {
    color: #718096;
}

body.night .notification-bar .close-btn:hover {
    color: #4f7cfc;
    background: rgba(79, 124, 252, 0.15);
}

/* 移动端适配 */
@media screen and (max-width: 768px) {
    .notification-bar {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
        padding: 12px 16px;
    }
    
    .notification-bar .message {
        font-size: 14px;
    }
}