/* === IDTS global loaders (top progress, DataTables skeleton, form states) === */

#idts-top-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    width: 0;
    z-index: 200000;
    pointer-events: none;
    background: linear-gradient(90deg, var(--idts-accent, #06b6d4), var(--idts-primary-2, #1d4ed8), var(--idts-accent, #06b6d4));
    background-size: 200% 100%;
    box-shadow: 0 1px 8px rgba(29, 78, 216, .45);
    opacity: 0;
    transition: opacity .2s ease, width .15s ease-out;
}

    #idts-top-progress.idts-top-progress--active {
        opacity: 1;
        animation: idts-top-progress-shimmer 1.1s linear infinite;
    }

@keyframes idts-top-progress-shimmer {
    0% {
        background-position: 0% 50%;
    }

    100% {
        background-position: 200% 50%;
    }
}

/* === DataTables: hide native “Processing…” node (skeleton + spinner replace it) === */

.dataTables_wrapper .dataTables_processing {
    display: none !important;
}

/* === DataTable skeleton (grid + shine). Legacy alias: `.table-loader` ========= */

.idts-table-loader,
.table-loader {
    visibility: hidden;
    position: relative;
    pointer-events: none;
}

.idts-table-loader::before,
.table-loader::before {
    visibility: visible;
    display: table-caption;
    caption-side: top;
    content: "";
    width: 100%;
    min-height: 260px;
    box-sizing: border-box;
    background-image:
        linear-gradient(var(--idts-dt-skel-line) 1px, transparent 0),
        linear-gradient(90deg, var(--idts-dt-skel-line) 1px, transparent 0),
        linear-gradient(90deg, transparent, var(--idts-dt-skel-gloss) 15%, transparent 30%),
        linear-gradient(var(--idts-dt-skel-block) 35px, transparent 0);
    background-repeat: repeat;
    background-size:
        1px 35px,
        calc(100% * 0.1666666666) 1px,
        30% 100%,
        2px 70px;
    background-position: 0 0, 0 0, 0 0, 0 0;
    animation: idts-dt-shine 0.5s infinite;
}

.idts-table-loader::after,
.table-loader::after {
    visibility: visible;
    content: "";
    position: absolute;
    z-index: 3;
    left: 50%;
    top: 50%;
    width: 2.75rem;
    height: 2.75rem;
    margin: -1.375rem 0 0 -1.375rem;
    border-radius: 50%;
    border: 3px solid var(--idts-border, #e5e7eb);
    border-top-color: var(--idts-loader-accent, var(--idts-accent, #06b6d4));
    animation: idts-spin 0.7s linear infinite;
    box-sizing: border-box;
    pointer-events: none;
}

[data-bs-theme="dark"] .idts-table-loader::after,
[data-theme="dark"] .idts-table-loader::after,
[data-bs-theme="dark"] .table-loader::after,
[data-theme="dark"] .table-loader::after {
    border-color: var(--idts-border, #334155);
    border-top-color: var(--idts-accent, #38bdf8);
}

:root {
    --idts-dt-skel-line: #ebebeb;
    --idts-dt-skel-gloss: rgba(255, 255, 255, 0.5);
    --idts-dt-skel-block: #f0f0f2;
}

[data-bs-theme="dark"] .idts-table-loader::before,
[data-theme="dark"] .idts-table-loader::before,
[data-bs-theme="dark"] .table-loader::before,
[data-theme="dark"] .table-loader::before {
    --idts-dt-skel-line: #334155;
    --idts-dt-skel-gloss: rgba(148, 163, 184, 0.25);
    --idts-dt-skel-block: #1e293b;
}

@keyframes idts-dt-shine {
    to {
        background-position: 0 0, 0 0, 40% 0, 0 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    #idts-top-progress.idts-top-progress--active,
    .idts-table-loader::before,
    .idts-table-loader::after,
    .table-loader::before,
    .table-loader::after,
    .idts-skeleton-cell,
    .idts-btn-spinner {
        animation: none;
    }

    .idts-skeleton-cell {
        background: var(--idts-border, #e5e7eb);
    }
}

/* Skeleton cells (DataTables + generic) */
.idts-skeleton-cell {
    height: 0.95rem;
    border-radius: 6px;
    max-width: 100%;
    background: linear-gradient(90deg,
        var(--idts-border, #e5e7eb) 0%,
        rgba(29, 78, 216, 0.12) 50%,
        var(--idts-border, #e5e7eb) 100%);
    background-size: 200% 100%;
    animation: idts-skeleton-shimmer 1.1s ease-in-out infinite;
}

[data-bs-theme="dark"] .idts-skeleton-cell,
[data-theme="dark"] .idts-skeleton-cell {
    background: linear-gradient(90deg,
        var(--idts-border, #1e293b) 0%,
        rgba(96, 165, 250, 0.15) 50%,
        var(--idts-border, #1e293b) 100%);
    background-size: 200% 100%;
}

@keyframes idts-skeleton-shimmer {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

tr.idts-dt-skel-row td {
    vertical-align: middle;
    padding-top: 14px;
    padding-bottom: 14px;
}

/* Form submit loading */
form.idts-form-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.94;
}

.idts-btn-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    vertical-align: -0.125em;
    border: 0.15em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: idts-spin .65s linear infinite;
}

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