/* 頁面轉換過渡效果 */
body {
    opacity: 0;
    animation: fadeIn 0.4s ease-in-out forwards;
}

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

/* 圓形擴大離場動畫 */
.page-transition-overlay {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    background: #ffffff !important;
    z-index: 99999 !important;
    pointer-events: none;
    opacity: 0;
    clip-path: circle(0% at 50% 50%);
    transition: clip-path 0.8s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease-in-out;
    will-change: clip-path, opacity;
    display: block !important;
}

.page-transition-overlay.active {
    opacity: 1 !important;
    pointer-events: all !important;
}

/* 動畫進行時，防止滾動 */
body.page-exiting {
    overflow: hidden !important;
}

/* 確保動畫可見，並確保在所有元素之上 */
body.page-exiting .page-transition-overlay {
    display: block !important;
    z-index: 99999 !important;
}

/* 確保 navbar 不會遮擋 overlay */
body.page-exiting .navbar {
    z-index: 1 !important;
}

/* Logo 動畫容器 */
.logo-animation-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 100000;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    clip-path: circle(0% at 50% 50%);
    transition: clip-path 0.8s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease-in-out;
}

.logo-animation-container.show {
    display: flex !important;
    opacity: 1;
}

/* Logo 保持最終大小，不放大 */
.logo-animation {
    height: 72px;
    width: auto;
    margin-bottom: 1rem;
    transform: scale(1);
}

.logo-animation-container.animate {
    clip-path: circle(100% at 50% 50%) !important;
}

/* Loading 文字 */
.loading-text {
    color: #6b7280;
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    opacity: 0;
    transition: opacity 0.5s ease-in-out 0.3s;
    font-family: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.logo-animation-container.animate .loading-text {
    opacity: 1;
}