.system-screen {
    min-height: calc(100vh - 64px);
    padding: var(--spacing-md);
    background:
        linear-gradient(135deg, rgba(24, 183, 151, 0.08), rgba(30, 74, 108, 0.05)),
        var(--bg-primary);
    color: var(--text-primary);
}

.system-screen-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.system-screen-title,
.system-screen-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.system-screen-title-icon {
    width: 42px;
    height: 42px;
    padding: 9px;
    color: #fff;
    background: var(--primary-gradient);
    border-radius: var(--radius-md);
}

.system-screen-title-text {
    font-weight: 700;
    color: var(--text-primary);
}

.system-screen-muted,
.system-screen-refresh-line {
    color: var(--text-secondary);
}

.system-screen-actions {
    flex-wrap: wrap;
    justify-content: flex-end;
}

.system-screen-segment {
    display: inline-flex;
    padding: 3px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
}

.system-screen-segment button {
    min-width: 58px;
    height: 30px;
    border: 0;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.system-screen-segment button.active {
    background: var(--primary-color);
    color: #fff;
    box-shadow: 0 4px 10px rgba(24, 183, 151, 0.25);
}

.system-screen-hospital-select {
    width: 180px;
}

.system-screen-refresh-line {
    display: flex;
    justify-content: space-between;
    margin: -4px 2px var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.system-screen-kpis {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.system-screen-kpi,
.system-screen-panel {
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.system-screen-kpi {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-height: 104px;
    padding: var(--spacing-md);
    overflow: hidden;
    position: relative;
}

.system-screen-kpi.clickable {
    cursor: pointer;
    transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}

.system-screen-kpi.clickable:hover,
.system-screen-kpi.clickable:focus-visible {
    border-color: rgba(197, 48, 48, 0.32);
    box-shadow: 0 10px 24px rgba(30, 74, 108, 0.14);
    transform: translateY(-1px);
    outline: none;
}

.system-screen-kpi::after {
    content: "";
    position: absolute;
    inset: auto 0 0 0;
    height: 3px;
    background: var(--primary-gradient);
}

.system-screen .kpi-anomaly::after {
    background: linear-gradient(90deg, var(--warning-color), var(--error-color));
}

.system-screen .kpi-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    color: var(--primary-color);
    background: var(--primary-lighter);
    border-radius: var(--radius-md);
}

.system-screen .kpi-anomaly .kpi-icon {
    color: var(--error-color);
    background: var(--error-light);
}

.system-screen .kpi-content {
    flex: 1;
    min-width: 0;
}

.system-screen .kpi-content span {
    display: block;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.system-screen .kpi-content strong {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-top: 4px;
    color: var(--text-primary);
    font-size: 32px;
    line-height: 1.1;
}

.system-screen .kpi-content small {
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.system-screen .kpi-spark {
    display: flex;
    align-items: end;
    gap: 3px;
    height: 20px;
    margin-top: 8px;
}

.system-screen .kpi-spark i {
    display: block;
    width: 14%;
    min-width: 8px;
    border-radius: 2px 2px 0 0;
    background: rgba(24, 183, 151, 0.22);
}

.system-screen .kpi-spark i:nth-child(1) { height: 35%; }
.system-screen .kpi-spark i:nth-child(2) { height: 62%; }
.system-screen .kpi-spark i:nth-child(3) { height: 48%; }
.system-screen .kpi-spark i:nth-child(4) { height: 80%; }
.system-screen .kpi-spark i:nth-child(5) { height: 58%; }

.system-screen-main-grid {
    display: grid;
    grid-template-columns: 1fr 1.65fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.system-screen-bottom-grid {
    display: grid;
    grid-template-columns: 1.55fr 1fr;
    gap: var(--spacing-md);
}

.system-screen-panel {
    min-height: 328px;
    padding: var(--spacing-md);
    overflow: hidden;
}

.system-screen-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.system-screen-panel-header .mud-typography {
    font-weight: 700;
}

.system-screen-panel-header .mud-icon-root {
    color: var(--primary-color);
}

.system-screen .rank-list {
    display: flex;
    flex-direction: column;
    gap: 11px;
}

.system-screen .rank-item {
    display: grid;
    grid-template-columns: 24px minmax(88px, 1fr) 38% 52px;
    align-items: center;
    gap: var(--spacing-xs);
    min-height: 24px;
}

.system-screen .rank-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    color: var(--primary-color);
    background: var(--primary-lighter);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 700;
}

.system-screen .rank-name {
    overflow: hidden;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.system-screen .rank-bar-track,
.system-screen .distribution-bar {
    height: 8px;
    overflow: hidden;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
}

.system-screen .rank-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), #68d4b8);
    border-radius: inherit;
}

.system-screen .rank-value {
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-weight: 700;
    text-align: right;
}

.system-screen .flow-panel {
    min-height: 384px;
}

.system-screen .flow-canvas {
    position: relative;
    height: 318px;
    background:
        radial-gradient(circle at 20% 20%, rgba(24, 183, 151, 0.11), transparent 28%),
        radial-gradient(circle at 80% 72%, rgba(30, 74, 108, 0.08), transparent 30%),
        linear-gradient(135deg, #f9fcfb, #f3f8fb);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
}

.system-screen .flow-lines {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.system-screen .flow-lines path {
    fill: none;
    stroke: rgba(24, 183, 151, 0.58);
    stroke-linecap: round;
    stroke-width: 0.9;
    filter: drop-shadow(0 0 4px rgba(24, 183, 151, 0.35));
}

.system-screen .flow-node {
    position: absolute;
    display: grid;
    grid-template-columns: 24px auto;
    grid-template-rows: auto auto;
    align-items: center;
    column-gap: 6px;
    min-width: 104px;
    padding: 9px 10px;
    transform: translate(-50%, -50%);
    background: #fff;
    border: 1px solid rgba(24, 183, 151, 0.18);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 18px rgba(6, 77, 63, 0.1);
}

.system-screen .flow-node .mud-icon-root {
    grid-row: 1 / span 2;
    color: var(--primary-color);
}

.system-screen .flow-node span {
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
}

.system-screen .flow-node strong {
    color: var(--text-primary);
    font-size: var(--font-size-md);
    line-height: 1.1;
}

.system-screen .donut-wrap {
    display: flex;
    justify-content: center;
    padding: 4px 0 12px;
}

.system-screen .donut-chart {
    position: relative;
    width: 156px;
    height: 156px;
    border-radius: 50%;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.65), 0 10px 24px rgba(30, 74, 108, 0.12);
}

.system-screen .donut-center {
    position: absolute;
    inset: 28px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-radius: 50%;
}

.system-screen .donut-center strong {
    color: var(--text-primary);
    font-size: var(--font-size-xl);
}

.system-screen .donut-center span {
    color: var(--text-tertiary);
    font-size: var(--font-size-xs);
}

.system-screen .distribution-list {
    display: flex;
    flex-direction: column;
    gap: 9px;
}

.system-screen .distribution-item {
    display: grid;
    grid-template-columns: 10px 66px 1fr 48px;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.system-screen .distribution-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
}

.system-screen .distribution-bar div {
    height: 100%;
    border-radius: inherit;
}

.system-screen .distribution-item strong {
    color: var(--text-primary);
    text-align: right;
}

.system-screen .heatmap-panel {
    min-height: 314px;
}

.system-screen .heatmap-hours {
    display: grid;
    grid-template-columns: 78px repeat(12, 1fr);
    gap: 4px;
    margin-bottom: 6px;
    color: var(--text-tertiary);
    font-size: 11px;
}

.system-screen .heatmap-hours span:not(:first-child) {
    text-align: center;
}

.system-screen .heatmap {
    display: flex;
    flex-direction: column;
    gap: 9px;
}

.system-screen .heatmap-row {
    display: grid;
    grid-template-columns: 78px repeat(24, 1fr);
    align-items: center;
    gap: 4px;
}

.system-screen .heatmap-label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.system-screen .heatmap-cell {
    display: block;
    aspect-ratio: 1.45 / 1;
    border-radius: 3px;
    border: 1px solid rgba(255, 255, 255, 0.72);
}

.system-screen .touchpoint-panel {
    min-height: 314px;
}

.system-screen .touchpoint-lanes {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.system-screen .touchpoint-lane-title {
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 700;
}

.system-screen .touchpoint-nodes {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 6px;
}

.system-screen .touchpoint-node {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 74px;
    padding: 8px 4px;
    background: var(--primary-lighter);
    border: 1px solid rgba(24, 183, 151, 0.16);
    border-radius: var(--radius-md);
    text-align: center;
}

.system-screen .touchpoint-node:not(:last-child)::after {
    content: "";
    position: absolute;
    right: -8px;
    top: 50%;
    width: 10px;
    height: 2px;
    background: rgba(24, 183, 151, 0.45);
}

.system-screen .touchpoint-node .mud-icon-root {
    color: var(--primary-color);
    font-size: 20px;
}

.system-screen .touchpoint-node span {
    margin-top: 4px;
    color: var(--text-secondary);
    font-size: 11px;
}

.system-screen .touchpoint-node strong {
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.system-screen .anomaly-strip {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 7px;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-light);
}

.system-screen .anomaly-title {
    margin-right: 2px;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 700;
}

.system-screen .anomaly-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 8px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
}

.system-screen .anomaly-chip strong {
    font-size: var(--font-size-sm);
}

.system-screen .anomaly-error {
    color: var(--error-dark);
    background: var(--error-light);
}

.system-screen .anomaly-warning {
    color: var(--warning-dark);
    background: var(--warning-light);
}

.system-screen .anomaly-detail-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.system-screen .anomaly-detail-title .mud-icon-root {
    color: var(--warning-color);
}

.system-screen .anomaly-detail-summary {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: var(--spacing-sm);
}

.system-screen .anomaly-detail-table {
    display: flex;
    flex-direction: column;
    max-height: 58vh;
    overflow: auto;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
}

.system-screen .anomaly-detail-row {
    display: grid;
    grid-template-columns: 116px minmax(90px, 0.7fr) minmax(140px, 1fr) 108px minmax(180px, 1.4fr);
    align-items: center;
    gap: var(--spacing-sm);
    min-height: 44px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.system-screen .anomaly-detail-row:last-child {
    border-bottom: 0;
}

.system-screen .anomaly-detail-row > span {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.system-screen .anomaly-detail-head {
    position: sticky;
    top: 0;
    z-index: 1;
    min-height: 38px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-weight: 700;
}

.system-screen .anomaly-detail-row .anomaly-chip {
    max-width: 100%;
    border-radius: var(--radius-md);
}

@media (max-width: 1400px) {
    .system-screen-kpis {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .system-screen-main-grid,
    .system-screen-bottom-grid {
        grid-template-columns: 1fr;
    }
}