/* ==========================================================================
   Smart Loading Overlay (Zen Breath Style)
   ========================================================================== */
#smart-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    z-index: 99999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    backdrop-filter: blur(2px);
}

#smart-loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.zen-loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.zen-lotus-icon {
    width: 60px;
    height: 60px;
    animation: zen-breath 3s ease-in-out infinite;
    filter: drop-shadow(0 0 10px rgba(130, 61, 91, 0.2));
}

.zen-loading-text {
    font-family: "Zen Old Mincho", serif;
    font-size: 1rem;
    color: #823D5B;
    /* 品牌紫 */
    letter-spacing: 0.1em;
    font-weight: 500;
    opacity: 0.8;
    animation: text-pulse 3s ease-in-out infinite;
}

@keyframes zen-breath {

    0%,
    100% {
        transform: scale(0.95);
        opacity: 0.8;
    }

    50% {
        transform: scale(1.05);
        opacity: 1;
        filter: drop-shadow(0 0 15px rgba(130, 61, 91, 0.4));
    }
}

@keyframes text-pulse {

    0%,
    100% {
        opacity: 0.6;
    }

    50% {
        opacity: 1;
    }
}