/* ==========================================================================
   Tables CSS - Shared styles for data tables and list views
   Used by: Memory Dashboard, Task Scheduler, and similar components
   ========================================================================== */

/* ==========================================================================
   FILTER HEADER
   Flex-based filter layout for search/filter controls
   ========================================================================== */
.filters-header {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    padding: 1rem;
    background: var(--color-panel);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    margin-bottom: 0;
}

.filter-group-inline {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-group-inline label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
    opacity: 0.8;
    white-space: nowrap;
}

.filter-group-inline select,
.filter-group-inline input {
    border: 1px solid var(--color-border);
    min-width: 0;
}

.filter-group-inline select:focus,
.filter-group-inline input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-input-focus);
}

/* Filter threshold (range slider with label) */
.filter-threshold {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.filter-threshold label {
    font-size: 0.85rem;
    opacity: 0.8;
}

/* ==========================================================================
   STATUS BAR
   Status info and pagination controls
   ========================================================================== */
.data-status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--color-panel);
    border: 1px solid var(--color-border);
    border-top: none;
    font-size: 0.9rem;
}

.data-status-bar-top {
    border-top: 1px solid var(--color-border);
    border-bottom: none;
    border-radius: 8px 8px 0 0;
}

.data-status-bar-bottom {
    border-top: 1px solid var(--color-border);
    border-radius: 0 0 8px 8px;
}

.data-status-bar-standalone {
    border: 1px solid var(--color-border);
    border-radius: 8px;
}

.status-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.status-item strong {
    color: var(--color-primary);
    font-weight: 600;
}

.status-item .material-symbols-outlined {
    font-size: 18px;
    opacity: 0.6;
}

.status-separator {
    color: var(--color-border);
    margin: 0 0.25rem;
}

/* ==========================================================================
   PAGINATION
   Page navigation controls
   ========================================================================== */
.status-pagination {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.page-input-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.page-input-group label {
    opacity: 0.8;
}

.page-total {
    color: var(--color-text);
    opacity: 0.8;
    font-size: 0.85rem;
    white-space: nowrap;
}

.page-total strong {
    color: var(--color-primary);
    font-weight: 600;
}

.page-input {
    width: 60px;
    padding: 0.25rem 0.5rem;
    text-align: center;
    border: 1px solid var(--color-border);
    background: var(--color-input);
    color: var(--color-text);
    border-radius: 4px;
    font-size: 0.85rem;
    height: 28px;
}

.page-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--color-input-focus);
}

/* Remove spinner arrows from number input */
.page-input::-webkit-inner-spin-button,
.page-input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.page-input[type=number] {
    -moz-appearance: textfield;
    appearance: textfield;
}

/* ==========================================================================
   TABLE CONTAINER & BASE STYLES
   Wrapper and base table styling
   ========================================================================== */
.data-table-container {
    border: 1px solid var(--color-border);
    border-top: none;
    border-radius: 0 0 8px 8px;
    overflow: hidden;
}

.data-table-container-standalone {
    border-top: 1px solid var(--color-border);
    border-radius: 8px;
}

.table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: auto;
    font-size: 0.9rem;
}

.data-table th,
.data-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.data-table th {
    background: var(--color-panel);
    font-weight: 600;
    color: var(--color-text);
}

.data-table th.sortable {
    cursor: pointer;
    user-select: none;
}

.data-table th.sortable:hover {
    background: var(--color-bg-tertiary);
}

.data-table tbody tr {
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.data-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

.light-mode .data-table tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* Sticky header for scrollable tables */
.data-table th.sticky {
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 2px solid var(--color-border);
}

/* ==========================================================================
   SORT INDICATOR
   Arrow indicator for sortable columns
   ========================================================================== */
.sort-indicator {
    display: inline-block;
    margin-left: 4px;
    transition: transform 0.2s ease;
}

.sort-indicator.desc {
    transform: rotate(180deg);
}

/* ==========================================================================
   EMPTY & LOADING STATES
   Empty results and loading indicators
   ========================================================================== */
.data-empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--color-text);
    opacity: 0.8;
    background: var(--color-panel);
    border: 1px solid var(--color-border);
    border-top: none;
    border-radius: 0 0 8px 8px;
}

.data-empty-state-standalone {
    border-top: 1px solid var(--color-border);
    border-radius: 8px;
}

.data-empty-state .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.loading-state {
    text-align: center;
    padding: 2rem;
    color: var(--color-text);
    opacity: 0.8;
    background: var(--color-panel);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    margin: 1rem 0;
    display: grid;
    align-items: center;
}

.error-state {
    text-align: center;
    padding: 2rem;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
    background: var(--color-panel);
    border-radius: 8px;
    margin: 1rem 0;
}

.init-message {
    text-align: center;
    padding: 2rem;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    background: var(--color-panel);
    border-radius: 8px;
    margin: 1rem 0;
}

.loading-spinner {
    width: 24px;
    height: 24px;
    min-width: 24px;
    min-height: 24px;
    max-width: 24px;
    max-height: 24px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 0.5rem;
    flex-shrink: 0;
    flex-grow: 0;
    display: inline-block;
    position: relative;
    box-sizing: border-box;
}

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

/* ==========================================================================
   MASS ACTION TOOLBAR
   Bulk action controls for selected items
   ========================================================================== */
.mass-action-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--color-panel);
    margin: 0;
    animation: slideDown 0.3s ease;
}

.selection-info {
    font-weight: 600;
}

.mass-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-mass {
    align-items: center;
    border: 1px solid var(--color-border);
    gap: 0.25rem;
    display: flex;
    background: var(--color-background);
    color: var(--color-text);
}

.btn-mass .material-symbols-outlined {
    font-size: 18px;
}

.btn-mass:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-panel);
}

.btn-mass.delete:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   RESPONSIVE STYLES
   Mobile breakpoints for tables and status bars
   ========================================================================== */
@media (max-width: 870px) {
    .filters-header {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-group-inline {
        width: 100%;
    }

    .filter-group-inline select,
    .filter-group-inline input {
        flex: 1;
    }

    .data-status-bar {
        flex-direction: column;
        gap: 0.75rem;
    }

    .status-info {
        width: 100%;
        justify-content: center;
    }

    .status-pagination {
        width: 100%;
        justify-content: center;
        padding-top: 0.5rem;
        border-top: 1px solid var(--color-border);
    }

    .data-table th,
    .data-table td {
        padding: 0.5rem 0.25rem;
        font-size: 0.85rem;
    }

    .mass-action-toolbar {
        flex-direction: column;
        gap: 0.75rem;
    }

    .mass-actions {
        flex-wrap: wrap;
        justify-content: center;
    }
}