/* 頁面加載指示器樣式 */

.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    /* 已移除轉場效果 */
}

.loader-spinner {
    text-align: center;
}

.loader-spinner i {
    font-size: 40px;
    color: #4287f5;
    /* 已移除旋轉動畫 */
}

/* 已移除旋轉動畫關鍵幀 */

/* 使頁面在加載完成前隱藏 */
.realtime-container, .dashboard-container, .container {
    opacity: 0;
    /* 已移除轉場效果 */
}

/* 優化图片加載 */
img {
    opacity: 0;
    /* 已移除轉場效果 */
}

img.loaded {
    opacity: 1;
}

/* 延遲加載的元素過渡效果 */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 新增：儀表板元素的加載動畫 */
.chart-container,
.stats-cards,
.ai-analysis {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.chart-container.loaded,
.stats-cards.loaded,
.ai-analysis.loaded {
    opacity: 1;
    transform: translateY(0);
}

.stats-cards .stat-card {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.stats-cards .stat-card.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* 卡片逐個加載的延遲效果 */
.stats-cards .stat-card:nth-child(1) {
    transition-delay: 0.1s;
}

.stats-cards .stat-card:nth-child(2) {
    transition-delay: 0.2s;
}

.stats-cards .stat-card:nth-child(3) {
    transition-delay: 0.3s;
}

/* 儀表板頁面圖表渲染時的脈動效果 */
.chart-container.loaded .chart-wrapper canvas {
    animation: chartPulse 1s ease-out;
}

@keyframes chartPulse {
    0% {
        transform: scale(0.98);
        opacity: 0.8;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}