:root {
    --skeleton-surface: #ffffff;
    --skeleton-base: #e7edf4;
    --skeleton-highlight: rgba(255, 255, 255, 0.82);
    --skeleton-border: #dfe7f0;
}

[data-theme="dark"] {
    --skeleton-surface: #15263b;
    --skeleton-base: #263a52;
    --skeleton-highlight: rgba(255, 255, 255, 0.12);
    --skeleton-border: #344a64;
}

.skeleton-loading-region {
    position: relative;
    isolation: isolate;
    min-height: var(--skeleton-region-min-height, auto);
}

.skeleton-loading-region.is-skeleton-loading {
    cursor: progress;
}

.skeleton-loading-overlay {
    position: absolute;
    z-index: 40;
    inset: 0;
    min-height: 100%;
    padding: clamp(16px, 2vw, 28px);
    overflow: hidden;
    border: 1px solid var(--skeleton-border);
    border-radius: inherit;
    background: var(--skeleton-surface);
    pointer-events: auto;
}

.skeleton-loading-overlay__content {
    width: 100%;
    height: 100%;
    display: grid;
    align-content: start;
    gap: 16px;
}

.skeleton-loading-announcement {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skeleton-loading-shape {
    position: relative;
    display: block;
    overflow: hidden;
    border-radius: 7px;
    background: var(--skeleton-base);
}

.skeleton-loading-shape::after,
.skeleton-media-host.is-skeleton-media-loading::after {
    position: absolute;
    inset: 0;
    content: "";
    background: linear-gradient(100deg, transparent 18%, var(--skeleton-highlight) 48%, transparent 78%);
    transform: translate3d(-110%, 0, 0);
    animation: skeleton-shimmer 1.35s ease-in-out infinite;
    will-change: transform;
}

.skeleton-loading-line { height: 12px; }
.skeleton-loading-line--title { width: min(42%, 300px); height: 20px; }
.skeleton-loading-line--medium { width: 68%; }
.skeleton-loading-line--short { width: 38%; }
.skeleton-loading-line--button { width: 118px; height: 40px; border-radius: 9px; }

.skeleton-loading-cards,
.skeleton-loading-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.skeleton-loading-card,
.skeleton-loading-metric {
    min-width: 0;
    padding: 16px;
    display: grid;
    gap: 12px;
    border: 1px solid var(--skeleton-border);
    border-radius: 12px;
}

.skeleton-loading-card__media { height: 112px; }
.skeleton-loading-metric { min-height: 100px; align-content: center; }
.skeleton-loading-metric .skeleton-loading-line--title { width: 44%; height: 26px; }

.skeleton-loading-table {
    display: grid;
    gap: 1px;
    overflow: hidden;
    border: 1px solid var(--skeleton-border);
    border-radius: 10px;
    background: var(--skeleton-border);
}

.skeleton-loading-table__toolbar {
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

.skeleton-loading-table__toolbar .skeleton-loading-shape:first-child {
    width: min(52%, 420px);
    height: 42px;
}

.skeleton-loading-table__row {
    min-height: 54px;
    padding: 12px 16px;
    display: grid;
    grid-template-columns: 1.15fr 1.8fr 1fr 1fr .8fr;
    align-items: center;
    gap: 18px;
    background: var(--skeleton-surface);
}

.skeleton-loading-table__row:first-child {
    min-height: 42px;
}

.skeleton-loading-chart {
    min-height: 250px;
    padding: 24px 18px 12px;
    display: grid;
    grid-template-columns: repeat(16, minmax(5px, 1fr));
    align-items: end;
    gap: clamp(4px, 1vw, 12px);
    border: 1px solid var(--skeleton-border);
    border-radius: 12px;
}

.skeleton-loading-chart .skeleton-loading-shape {
    height: var(--skeleton-bar-height, 40%);
    min-height: 18px;
    border-radius: 4px 4px 0 0;
}

.skeleton-loading-inline {
    min-height: 52px;
    display: grid;
    align-content: center;
    gap: 9px;
}

.skeleton-submit-indicator {
    position: fixed;
    z-index: 1000;
    right: max(20px, env(safe-area-inset-right));
    bottom: max(20px, env(safe-area-inset-bottom));
    max-width: min(420px, calc(100vw - 40px));
    padding: 13px 17px;
    display: flex;
    align-items: center;
    gap: 11px;
    border: 1px solid var(--skeleton-border);
    border-radius: 12px;
    background: var(--skeleton-surface);
    color: var(--text-primary, #17324d);
    box-shadow: 0 16px 38px rgba(10, 31, 52, 0.2);
    font-weight: 700;
    pointer-events: none;
}

.skeleton-submit-indicator__spinner {
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
    border: 2px solid var(--skeleton-border);
    border-top-color: var(--brand-primary, #00539b);
    border-radius: 50%;
    animation: skeleton-submit-spin 0.75s linear infinite;
    will-change: transform;
}

.skeleton-media-host {
    position: relative;
    overflow: hidden;
}

.skeleton-media-host.is-skeleton-media-loading::before {
    position: absolute;
    z-index: 2;
    inset: 0;
    content: "";
    background: var(--skeleton-base);
}

.skeleton-media-host.is-skeleton-media-loading::after {
    z-index: 3;
}

@keyframes skeleton-shimmer {
    to { transform: translate3d(110%, 0, 0); }
}

@keyframes skeleton-submit-spin {
    to { transform: rotate(360deg); }
}

@media (max-width: 760px) {
    .skeleton-loading-overlay { padding: 14px; }
    .skeleton-loading-cards,
    .skeleton-loading-metrics { grid-template-columns: 1fr; }
    .skeleton-loading-cards .skeleton-loading-card:nth-child(n + 3),
    .skeleton-loading-metrics .skeleton-loading-metric:nth-child(n + 3) { display: none; }
    .skeleton-loading-card__media { height: 86px; }
    .skeleton-loading-table__row { grid-template-columns: 1fr 1.35fr .8fr; gap: 10px; }
    .skeleton-loading-table__row .skeleton-loading-shape:nth-child(n + 4) { display: none; }
    .skeleton-loading-chart { min-height: 210px; padding-inline: 12px; gap: 4px; }

    .skeleton-submit-indicator {
        right: max(12px, env(safe-area-inset-right));
        bottom: max(12px, env(safe-area-inset-bottom));
        left: max(12px, env(safe-area-inset-left));
        max-width: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .skeleton-loading-shape::after,
    .skeleton-media-host.is-skeleton-media-loading::after,
    .skeleton-submit-indicator__spinner {
        animation: none;
        transform: none;
        opacity: .42;
        will-change: auto;
    }

    .skeleton-submit-indicator__spinner {
        border-color: var(--brand-primary, #00539b);
    }
}