/* ============================================================
   LOADING COMPONENT
   ============================================================ */

/* ===== App Loading Overlay ===== */
.app-loading {
    position: fixed;
    inset: 0;
    background: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-loader);
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.app-loading.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.app-loading .loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-4);
}

.app-loading .spinner-ring {
    width: 60px;
    height: 60px;
    border: 4px solid var(--color-gray-200);
    border-top-color: var(--color-secondary);
    border-radius: var(--border-radius-full);
    animation: spin 0.8s linear infinite;
}

.app-loading .spinner-text {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    font-weight: 600;
}

/* ===== Skeleton Loading ===== */
.skeleton {
    background: var(--color-gray-200);
    border-radius: var(--border-radius-md);
    animation: skeleton-pulse 1.5s ease-in-out infinite;
    min-height: 20px;
}

.skeleton-image {
    min-height: 200px;
    border-radius: var(--border-radius-md);
}

.skeleton-text {
    height: 14px;
    border-radius: var(--border-radius-full);
    margin-bottom: var(--spacing-2);
}

.skeleton-text.w-75 { width: 75%; }
.skeleton-text.w-50 { width: 50%; }
.skeleton-text.w-25 { width: 25%; }

.skeleton-title {
    height: 24px;
    border-radius: var(--border-radius-full);
    margin-bottom: var(--spacing-3);
    width: 60%;
}

.skeleton-button {
    height: 40px;
    border-radius: var(--border-radius-md);
    width: 100px;
}

@keyframes skeleton-pulse {
    0% {
        background-color: var(--color-gray-200);
    }
    50% {
        background-color: var(--color-gray-300);
    }
    100% {
        background-color: var(--color-gray-200);
    }
}

/* ===== Product Card Skeleton ===== */
.product-card-skeleton {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.product-card-skeleton .skeleton-image {
    width: 100%;
    aspect-ratio: 1 / 1;
    background: var(--color-gray-200);
    border-radius: 0;
}

.product-card-skeleton .skeleton-body {
    padding: var(--spacing-4);
}

.product-card-skeleton .skeleton-body .skeleton-text {
    margin-bottom: var(--spacing-2);
}

.product-card-skeleton .skeleton-body .skeleton-text:last-child {
    margin-bottom: 0;
}