.client-reporting-shell {
    display: flex;
    flex-direction: row-reverse;
    align-items: stretch;
    gap: 0;
    min-height: calc(100vh - 4rem);
    margin: 0;
}

.client-reporting-rail {
    flex: 0 0 280px;
    background: linear-gradient(180deg, #0e746c 0%, #129a8e 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 2rem);
    position: sticky;
    top: 0;
}

.client-reporting-rail-header {
    padding: 1rem 1rem 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.client-reporting-rail-header h2 {
    font-size: 1.1rem;
    margin: 0 0 0.5rem;
    font-weight: 600;
}

.client-reporting-rail-list {
    overflow-y: auto;
    flex: 1;
    padding: 0.5rem;
}

.client-reporting-rail-item {
    display: block;
    width: 100%;
    text-align: left;
    border: none;
    background: transparent;
    color: inherit;
    padding: 0.65rem 0.75rem;
    border-radius: 0.375rem;
    margin-bottom: 0.25rem;
    cursor: pointer;
    transition: background 0.15s ease;
}

.client-reporting-rail-item:hover,
.client-reporting-rail-item.active {
    background: rgba(255, 255, 255, 0.18);
}

.client-reporting-rail-item .client-name {
    font-weight: 600;
    font-size: 0.9rem;
    display: block;
}

.client-reporting-rail-item .client-meta {
    font-size: 0.72rem;
    opacity: 0.85;
}

.client-reporting-main {
    flex: 1;
    min-width: 0;
    padding: 1rem 1.5rem 2rem 1rem;
}

.client-reporting-header {
    border-bottom: 1px solid #dee2e6;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.client-reporting-tabs .nav-link {
    color: #495057;
    font-size: 0.875rem;
    padding: 0.4rem 0.75rem;
}

.client-reporting-tabs .nav-link.active {
    color: #0e746c;
    font-weight: 600;
}

.reporting-kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.reporting-kpi-card {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 0.5rem;
    padding: 0.75rem;
}

.reporting-kpi-card .kpi-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #6c757d;
    margin-bottom: 0.25rem;
}

.reporting-kpi-card .kpi-value {
    font-size: 1.15rem;
    font-weight: 700;
    color: #0e746c;
}

.reporting-chart-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.reporting-chart-slot,
.reporting-chart-card .card-body {
    min-height: 280px;
}

@media (max-width: 992px) {
    .client-reporting-shell {
        flex-direction: column;
        margin: 0;
    }

    .client-reporting-rail {
        flex: none;
        max-height: 220px;
        position: relative;
    }

    .reporting-chart-row {
        grid-template-columns: 1fr;
    }
}

.connection-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
    border-radius: 1rem;
    margin-right: 0.35rem;
    margin-bottom: 0.35rem;
}

.connection-pill.connected {
    background: #d1e7dd;
    color: #0f5132;
}

.connection-pill.disconnected {
    background: #e9ecef;
    color: #6c757d;
}

.connection-pill.sample {
    background: #cff4fc;
    color: #055160;
}

.reporting-empty-panel {
    background: #f8f9fa;
    border: 1px dashed #ced4da;
    border-radius: 0.5rem;
    padding: 2rem;
    text-align: center;
    color: #6c757d;
}

.reporting-gallery-section {
    margin-top: 2rem;
    padding-top: 1.25rem;
    border-top: 1px solid #e9ecef;
}

.reporting-gallery-compact {
    margin-top: 1.5rem;
}

.reporting-chart-row-3 {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 1200px) {
    .reporting-chart-row-3 {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .reporting-chart-row-3 {
        grid-template-columns: 1fr;
    }
}

.reporting-chart-card .chart-type-badge {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #0e746c;
    background: #e8f6f4;
    padding: 0.15rem 0.45rem;
    border-radius: 0.25rem;
}

.reporting-chart-card .chart-type-hint {
    font-size: 0.7rem;
    text-align: right;
    flex: 1;
}