/* Date-grouped history & activity feeds */
.date-grouped-feed {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.date-group-section {
    background: var(--card-bg, #fff);
    border: 1px solid var(--border, #e2e8f0);
    border-radius: var(--radius-lg, 16px);
    overflow: hidden;
    box-shadow: var(--shadow-xs);
}

.date-group-header {
    position: sticky;
    top: 0;
    z-index: 3;
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    border-bottom: 1px solid var(--border, #e2e8f0);
    padding: 12px 18px;
}

.date-group-header-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 8px 12px;
}

.date-group-relative {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--primary-soft, #eff6ff);
    color: var(--primary, #2563eb);
}

.date-group-title {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary, #0f172a);
}

.date-group-weekday {
    font-size: 13px;
    color: var(--text-secondary, #64748b);
    font-weight: 500;
}

.date-group-body {
    padding: 0;
}

.date-group-body .data-table {
    box-shadow: none;
    border: none;
    border-radius: 0;
}

.date-group-body .data-table thead th {
    background: #334155;
    font-size: 11px;
}

.date-group-time {
    display: inline-block;
    min-width: 72px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary, #64748b);
    font-variant-numeric: tabular-nums;
}

.date-group-body .activity-timeline-item,
.date-group-body .dash-activity-item,
.date-group-body .notification-item,
.date-group-body .dash-notify-row {
    padding-left: 18px;
    padding-right: 18px;
}

.date-group-body .activity-timeline {
    padding: 8px 0 12px;
}

.date-group-empty {
    padding: 24px;
    text-align: center;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .date-group-header {
        padding: 10px 14px;
    }

    .date-group-title {
        font-size: 14px;
    }
}