/* ============================================================================
   KSAM LINE OA BACKEND — GLOBAL LOADING INDICATOR
   Shown by ksam.js showLoading() / hideLoading().
   ============================================================================ */

.app-loading-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    padding: 24px;
    place-items: center;
    background: rgba(244, 246, 249, .82);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}

    .app-loading-overlay.active {
        display: grid;
        animation: appLoadingFadeIn 160ms ease-out both;
    }

.app-loading-panel {
    display: flex;
    min-width: 200px;
    align-items: center;
    flex-direction: column;
    gap: 14px;
    padding: 24px 28px 20px;
    border: 1px solid var(--ksam-line);
    border-radius: var(--ksam-radius-lg);
    background: #fff;
    box-shadow: var(--ksam-shadow-lg);
}

.app-loader {
    position: relative;
    display: grid;
    width: 72px;
    height: 72px;
    isolation: isolate;
    place-items: center;
}

    .app-loader::before {
        content: "";
        position: absolute;
        inset: 0;
        border-radius: 50%;
        background: conic-gradient( from 0deg, var(--ksam-primary) 0deg 120deg, rgba(253, 185, 19, .25) 120deg 300deg, var(--ksam-primary) 300deg 360deg );
        -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 6px), #000 0);
        mask: radial-gradient(farthest-side, transparent calc(100% - 6px), #000 0);
        animation: appLoaderSpin 1s linear infinite;
    }

.app-loader-core {
    display: grid;
    box-sizing: border-box;
    width: 48px;
    height: 48px;
    padding: 7px;
    place-items: center;
    border-radius: var(--ksam-radius-sm);
    background: var(--ksam-nav);
}

.app-loader-logo {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
}

.app-loading-text {
    color: var(--ksam-ink-2);
    font-size: var(--ksam-fs-md);
    font-weight: 700;
    line-height: 1.4;
    text-align: center;
}

@keyframes appLoaderSpin {
    to { transform: rotate(360deg); }
}

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

@media (prefers-reduced-motion: reduce) {
    .app-loading-overlay.active,
    .app-loader::before {
        animation: none;
    }
}