/* =====================================================
   Universal DataView (Задача №8.8)
   Все цвета — через var(--dr-*), поддержка светлой/тёмной темы.
   Классы: ap-dataview, ap-dataview__toolbar, ap-dataview__table,
           ap-dataview__empty, ap-dataview__loading, ap-dataview__error,
           ap-dataview__footer
   ===================================================== */

/* ─── CSS Variables (scoped to DataView) ──────────────── */
.ap-dataview {
    --dr-overlay-bg: rgba(0, 0, 0, 0.3);
    --dr-modal-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

/* ─── Utility: скрытие без inline-style ──────────────── */
.ap-hidden {
    display: none !important;
}

/* ─── Backdrop + Overlay ─────────────────────────────── */
.ap-dataview {
    position: fixed;
    inset: 0;
    z-index: 1050;
    display: flex;
    align-items: stretch;
    justify-content: stretch;
}

.ap-dataview__backdrop {
    position: absolute;
    inset: 0;
    background: var(--dr-overlay-bg);
    z-index: 0;
}

/* ─── Panel ──────────────────────────────────────────── */
.ap-dataview__panel {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    background: var(--dr-bg-card);
}

@media (min-width: 992px) {
    .ap-dataview__panel {
        width: 90%;
        max-width: 1200px;
        height: 90%;
        margin: auto;
        border-radius: 0.5rem;
        box-shadow: var(--dr-modal-shadow);
    }
}

/* ─── Toolbar ────────────────────────────────────────── */
.ap-dataview__toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.625rem 1rem;
    border-bottom: 1px solid var(--dr-border);
    gap: 0.75rem;
    flex-shrink: 0;
    min-height: 48px;
    flex-wrap: wrap;
}

.ap-dataview__toolbar-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 0;
    flex: 1;
}

.ap-dataview__toolbar-right {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    flex-shrink: 0;
}

/* ─── Toolbar Buttons ────────────────────────────────── */
.ap-dataview__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.375rem 0.625rem;
    font-size: 0.8125rem;
    font-weight: 500;
    line-height: 1.4;
    color: var(--dr-text-main);
    background: transparent;
    border: 1px solid var(--dr-border);
    border-radius: 0.375rem;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s ease, opacity 0.15s ease;
}

.ap-dataview__btn:hover:not(:disabled) {
    background: var(--dr-bg-main);
}

.ap-dataview__btn:disabled {
    opacity: 0.4;
    cursor: default;
}

.ap-dataview__btn--back {
    border: none;
    padding-left: 0.25rem;
    font-weight: 600;
}

.ap-dataview__btn--close {
    border: none;
    font-size: 0.9375rem;
    padding: 0.25rem 0.5rem;
}

.ap-dataview__btn-label {
    /* Visible on larger screens only for compact layout */
}

/* ─── Title Group ────────────────────────────────────── */
.ap-dataview__title-group {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    min-width: 0;
}

.ap-dataview__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dr-text-main);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ap-dataview__row-count {
    font-size: 0.75rem;
    color: var(--dr-text-muted);
    white-space: nowrap;
}

/* ─── Body ───────────────────────────────────────────── */
.ap-dataview__body {
    flex: 1;
    overflow: auto;
    position: relative;
}

/* ─── Table ──────────────────────────────────────────── */
.ap-dataview__table {
    width: 100%;
    height: 100%;
    min-height: 200px;
}

/* Tabulator overrides for DataView context */
.ap-dataview__table .tabulator {
    font-size: 0.8125rem;
    background: transparent;
    border: none;
    height: 100%;
}

.ap-dataview__table .tabulator-header {
    background: var(--dr-bg-card);
    border-bottom: 2px solid var(--dr-border);
    font-weight: 600;
}

.ap-dataview__table .tabulator-header .tabulator-col {
    background: var(--dr-bg-card);
    border-right: none;
}

.ap-dataview__table .tabulator-header .tabulator-col-content {
    padding: 0.625rem 0.75rem;
}

.ap-dataview__table .tabulator-header .tabulator-col-title {
    color: var(--dr-text-muted);
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.ap-dataview__table .tabulator-header .tabulator-col-sorter {
    color: var(--dr-text-muted);
}

.ap-dataview__table .tabulator-row {
    background: transparent;
    border-bottom: 1px solid var(--dr-border-light);
    color: var(--dr-text-main);
}

.ap-dataview__table .tabulator-row .tabulator-cell {
    padding: 0.625rem 0.75rem;
    border-right: none;
}

/* Zebra rows */
.ap-dataview__table .tabulator-row:nth-child(even) {
    background: var(--dr-bg-main);
}

/* Hover */
.ap-dataview__table .tabulator-row:hover {
    background: var(--dr-primary-light);
}

/* ─── Empty State ────────────────────────────────────── */
.ap-dataview__empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 3rem 1rem;
    height: 100%;
    min-height: 200px;
}

.ap-dataview__empty-icon {
    color: var(--dr-text-muted-light);
    opacity: 0.5;
}

.ap-dataview__empty-text {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--dr-text-muted);
    margin: 0;
}

/* ─── Loading State (Skeleton) ───────────────────────── */
.ap-dataview__loading {
    display: flex;
    align-items: flex-start;
    padding: 0.25rem;
    height: 100%;
    min-height: 200px;
}

.ap-dataview__skeleton {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.ap-dataview__skeleton-row {
    display: flex;
    gap: 0.75rem;
    padding: 0.5rem 0.25rem;
}

.ap-dataview__skeleton-cell {
    flex: 1;
    min-width: 0;
}

.ap-dataview__skeleton-line {
    height: 0.875rem;
    background: var(--dr-border);
    border-radius: 0.25rem;
    animation: ap-skeleton-pulse 1.6s ease-in-out infinite;
    width: 70%;
}

.ap-dataview__skeleton-line--long {
    width: 90%;
}

.ap-dataview__skeleton-line--short {
    width: 50%;
}

/* ─── Error State ────────────────────────────────────── */
.ap-dataview__error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 3rem 1rem;
    height: 100%;
    min-height: 200px;
}

.ap-dataview__error-icon {
    color: var(--dr-danger);
    opacity: 0.7;
}

.ap-dataview__error-text {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--dr-text-muted);
    margin: 0;
}

/* ─── Footer ─────────────────────────────────────────── */
.ap-dataview__footer {
    padding: 0.625rem 1rem;
    border-top: 1px solid var(--dr-border);
    flex-shrink: 0;
    min-height: 40px;
}

/* ─── Filters (placeholder) ──────────────────────────── */
.ap-dataview__filters {
    padding: 0.5rem 1rem;
    border-bottom: 1px solid var(--dr-border);
    flex-shrink: 0;
}

/* ─── Accessibility: reduced motion ──────────────────── */
@media (prefers-reduced-motion: reduce) {
    .ap-dataview__skeleton-line {
        animation: none;
    }
}

/* ─── Responsive ─────────────────────────────────────── */
@media (max-width: 768px) {
    .ap-dataview__toolbar {
        padding: 0.5rem 0.75rem;
        gap: 0.5rem;
    }

    .ap-dataview__toolbar-left {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .ap-dataview__toolbar-right {
        flex-wrap: wrap;
    }

    .ap-dataview__btn-label {
        display: none;
    }

    .ap-dataview__btn {
        padding: 0.375rem 0.5rem;
    }

    .ap-dataview__title {
        font-size: 0.9375rem;
    }

    .ap-dataview__table .tabulator {
        font-size: 0.75rem;
    }
}