/* skeleton.css - Modern app loading placeholders */

.skeleton {
    /* Soft premium slate shimmer contrast */
    background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 2s infinite ease-in-out;
    border-radius: var(--radius-sm, 12px);
    pointer-events: none;
    user-select: none;
}

@keyframes skeleton-shimmer {
    0% { background-position: 100% 0; }
    100% { background-position: -100% 0; }
}

/* Shape Utilities */
.sk-text {
    width: 100%;
    height: 1.2rem;
    margin-bottom: 0.5rem;
    border-radius: 6px;
}

.sk-title {
    width: 60%;
    height: 3rem;
    margin-bottom: 1rem;
    border-radius: 8px;
}

.sk-circle {
    width: 64px;
    height: 64px;
    border-radius: 50%;
}

.sk-card {
    width: 100%;
    background: #ffffff; /* Base white before shimmer if nested, but usually skeleton is the shimmer */
    height: 150px;
    border-radius: var(--radius-md, 20px);
}

.sk-btn {
    width: 120px;
    height: 48px;
    border-radius: var(--radius-sm, 12px);
}

.sk-map {
    width: 100%;
    height: 100%;
    min-height: 400px;
    border-radius: var(--radius-md, 20px);
}

/* Container for skeleton overlay to match page background */
#skeleton-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #ffffff;
    z-index: 100; /* Below the page-transition cube loader, but above content */
    overflow-y: auto;
    overflow-x: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#skeleton-overlay.hidden {
    opacity: 0;
    visibility: hidden;
}

/* Helper flex/grid classes for skeletons */
.sk-flex { display: flex; gap: 1rem; align-items: center; }
.sk-flex-col { display: flex; flex-direction: column; gap: 1rem; }
.sk-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.sk-grid-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }

@media (max-width: 768px) {
    .sk-grid-3 { grid-template-columns: 1fr; }
}