/* ── Advanced Data Table Variables ── */
:root {
    --dt-bg: rgba(15, 35, 65, 0.4);
    --dt-border: rgba(148, 163, 184, 0.15);
    --dt-header-bg: rgba(9, 23, 41, 0.8);
    --dt-row-hover: rgba(245, 158, 11, 0.05);
    --dt-row-selected: rgba(245, 158, 11, 0.15);
    --dt-text: #e2e8f0;
    --dt-text-muted: #94A3B8;
    --dt-accent: #F59E0B;
}

/* ── Container ── */
.dt-container {
    width: 100%;
    background: var(--dt-bg);
    border: 1px solid var(--dt-border);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    font-family: 'Inter', sans-serif;
    color: var(--dt-text);
    margin-bottom: 1.5rem;
    position: relative;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.dt-table-wrapper {
    overflow-x: auto;
    width: 100%;
    min-height: 200px;
}

.dt-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

/* ── Header ── */
.dt-table thead {
    background: var(--dt-header-bg);
}

.dt-table th {
    padding: 0.85rem 1rem;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--dt-text-muted);
    border-bottom: 1px solid var(--dt-border);
    position: relative;
    user-select: none;
    white-space: nowrap;
}

.dt-th-content {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.dt-th-sortable {
    cursor: pointer;
    transition: color 0.2s;
}

.dt-th-sortable:hover {
    color: var(--dt-accent);
}

.dt-sort-icon {
    font-size: 0.7rem;
    opacity: 0.3;
}

.dt-sort-icon.active {
    opacity: 1;
    color: var(--dt-accent);
}

/* ── Filter Trigger ── */
.dt-filter-btn {
    background: none;
    border: none;
    color: var(--dt-text-muted);
    cursor: pointer;
    padding: 0.2rem;
    border-radius: 4px;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.dt-filter-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--dt-text);
}

.dt-filter-btn.active {
    color: var(--dt-accent);
    background: rgba(245, 158, 11, 0.15);
}

/* ── Body ── */
.dt-table tbody tr {
    border-bottom: 1px solid var(--dt-border);
    transition: background 0.15s, border-left 0.15s;
    cursor: pointer;
    border-left: 3px solid transparent;
}

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

.dt-table tbody tr:hover {
    background: var(--dt-row-hover);
}

.dt-table tbody tr.dt-row-selected {
    background: var(--dt-row-selected);
    border-left: 3px solid var(--dt-accent);
}

.dt-table td {
    padding: 0.85rem 1rem;
    font-size: 0.88rem;
    color: var(--dt-text);
}

/* ── Data Types ── */
.dt-type-number,
.dt-type-currency {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* ── Empty State ── */
.dt-empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--dt-text-muted);
}

.dt-empty-state h4 {
    margin: 0 0 0.5rem 0;
    color: var(--dt-text);
    font-size: 1rem;
}

/* ── Footer / Pagination ── */
.dt-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--dt-header-bg);
    border-top: 1px solid var(--dt-border);
    flex-wrap: wrap;
    gap: 1rem;
}

.dt-footer-left,
.dt-footer-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.dt-info {
    font-size: 0.8rem;
    color: var(--dt-text-muted);
}

.dt-page-size select {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--dt-border);
    color: var(--dt-text);
    padding: 0.3rem 0.5rem;
    border-radius: 6px;
    font-size: 0.8rem;
    outline: none;
    cursor: pointer;
}

.dt-pagination {
    display: flex;
    gap: 0.3rem;
}

.dt-page-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--dt-border);
    color: var(--dt-text);
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
    min-width: 30px;
}

.dt-page-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--dt-text-muted);
}

.dt-page-btn.active {
    background: var(--dt-accent);
    color: #000;
    border-color: var(--dt-accent);
    font-weight: 600;
}

.dt-page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ── Tools Bar ── */
.dt-toolbar {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--dt-header-bg);
    border-bottom: 1px solid var(--dt-border);
    gap: 1rem;
}

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

.dt-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--dt-border);
    color: var(--dt-text);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.dt-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* ── Filter Popover ── */
.dt-popover {
    position: absolute;
    background: rgba(14, 36, 69, 0.95);
    border: 1px solid var(--dt-border);
    border-radius: 12px;
    padding: 1rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    z-index: 100;
    min-width: 220px;
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: opacity 0.2s, transform 0.2s;
}

.dt-popover.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.dt-popover h5 {
    margin: 0 0 0.75rem 0;
    color: var(--dt-accent);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.dt-filter-group {
    margin-bottom: 0.8rem;
}

.dt-filter-group label {
    display: block;
    font-size: 0.75rem;
    color: var(--dt-text-muted);
    margin-bottom: 0.3rem;
}

.dt-filter-input {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--dt-border);
    color: var(--dt-text);
    padding: 0.5rem;
    border-radius: 6px;
    font-size: 0.85rem;
    outline: none;
    box-sizing: border-box;
}

.dt-filter-input:focus {
    border-color: var(--dt-accent);
}

.dt-popover-actions {
    display: flex;
    justify-content: space-between;
    margin-top: 1rem;
    gap: 0.5rem;
}

.dt-popover-btn {
    flex: 1;
    padding: 0.4rem;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    border: none;
    font-weight: 500;
}

.dt-popover-apply {
    background: var(--dt-accent);
    color: #000;
}

.dt-popover-clear {
    background: rgba(255, 255, 255, 0.1);
    color: var(--dt-text);
}

/* ── Visibility Popover ── */
.dt-vis-list {
    max-height: 250px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.dt-vis-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    cursor: pointer;
}

.dt-vis-item input {
    accent-color: var(--dt-accent);
    cursor: pointer;
}

/* ── Highlight Glow (navigating from activity feed) ── */
.dt-table tbody tr.highlight-glow {
    background: rgba(245, 158, 11, 0.12);
    border-left: 3px solid #F59E0B;
    transition: background 0.4s ease, border-left 0.4s ease;
}

/* ── Activity Item Hover ── */
.activity-item:hover {
    background: rgba(245, 158, 11, 0.08) !important;
    transform: translateX(4px);
    transition: all 0.2s ease;
}