.year-filters {
    display: flex;
    gap: var(--spectrum-spacing-200);
    flex-wrap: wrap;
}

.year-tab {
    padding: var(--spectrum-spacing-200) var(--spectrum-spacing-400);
    border: 2px solid var(--spectrum-gray-300);
    border-radius: var(--spectrum-border-radius-100);
    background: white;
    cursor: pointer;
    font-size: var(--spectrum-font-size-small);
    font-weight: 600;
    color: var(--spectrum-gray-700);
    transition: all 0.2s ease;
}

.year-tab:hover {
    border-color: var(--spectrum-blue-600);
    color: var(--spectrum-blue-700);
    background: var(--spectrum-blue-50);
}

.year-tab.active {
    background: var(--spectrum-blue-600);
    color: white;
    border-color: var(--spectrum-blue-600);
}

.analysis-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spectrum-spacing-600);
    margin-top: var(--spectrum-spacing-600);
}

.analysis-section {
    background: white;
    padding: var(--spectrum-spacing-600);
    border-radius: var(--spectrum-border-radius-200);
    box-shadow: var(--spectrum-shadow-200);
}

.section-title {
    font-size: var(--spectrum-font-size-xlarge);
    font-weight: 800;
    color: var(--spectrum-gray-900);
    margin-bottom: var(--spectrum-spacing-400);
    border-bottom: 2px solid var(--spectrum-blue-600);
    padding-bottom: var(--spectrum-spacing-200);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spectrum-spacing-400);
    margin-bottom: var(--spectrum-spacing-600);
}

.stat-card {
    background: var(--spectrum-blue-50);
    padding: var(--spectrum-spacing-400);
    border-radius: var(--spectrum-border-radius-200);
    text-align: center;
    border: 2px solid var(--spectrum-blue-200);
}

.stat-value {
    font-size: var(--spectrum-font-size-xxlarge);
    font-weight: 800;
    color: var(--spectrum-blue-700);
    margin-bottom: var(--spectrum-spacing-100);
}

.stat-label {
    font-size: var(--spectrum-font-size-small);
    color: var(--spectrum-gray-700);
    line-height: 1.4;
}

.visualization-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spectrum-spacing-600);
}

.visualization-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 400px;
}

.pie-chart-container {
    position: relative;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.pie-chart {
    width: 100%;
    height: auto;
}

.pie-slice {
    cursor: pointer;
    transition: opacity 0.2s;
}

.pie-slice:hover {
    opacity: 0.8;
    filter: brightness(1.1);
}

.legend {
    margin-top: var(--spectrum-spacing-400);
    width: 100%;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spectrum-spacing-200);
    margin-bottom: var(--spectrum-spacing-200);
    padding: var(--spectrum-spacing-100) var(--spectrum-spacing-200);
    border-radius: var(--spectrum-border-radius-100);
    cursor: pointer;
    transition: background 0.2s;
}

.legend-item:hover {
    background: var(--spectrum-gray-100);
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: var(--spectrum-border-radius-100);
    flex-shrink: 0;
}

.legend-label {
    flex: 1;
    font-size: var(--spectrum-font-size-small);
    color: var(--spectrum-gray-800);
}

.legend-value {
    font-weight: 700;
    color: var(--spectrum-gray-900);
    font-size: var(--spectrum-font-size-small);
}

.bar-chart {
    width: 100%;
    margin-top: var(--spectrum-spacing-400);
}

.bar-item {
    display: flex;
    align-items: center;
    margin-bottom: var(--spectrum-spacing-300);
    gap: var(--spectrum-spacing-200);
}

.bar-label {
    width: 120px;
    text-align: right;
    font-size: var(--spectrum-font-size-small);
    color: var(--spectrum-gray-800);
    font-weight: 600;
    flex-shrink: 0;
}

.bar-visual {
    flex: 1;
    position: relative;
    height: 32px;
    background: var(--spectrum-gray-100);
    border-radius: var(--spectrum-border-radius-100);
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    background: var(--spectrum-blue-600);
    transition: width 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: var(--spectrum-spacing-300);
    color: white;
    font-size: var(--spectrum-font-size-small);
    font-weight: 700;
    min-width: 30px;
    box-sizing: border-box;
}

.bar-fill.vendor {
    background: var(--spectrum-orange-600);
}

.matrix-container {
    overflow-x: auto;
    margin-top: var(--spectrum-spacing-400);
}

.matrix {
    display: table;
    border-collapse: separate;
    border-spacing: 2px;
    margin: 0 auto;
    font-size: var(--spectrum-font-size-small);
}

.matrix-row {
    display: table-row;
}

.matrix-cell {
    display: table-cell;
    min-width: 60px;
    height: 40px;
    text-align: center;
    vertical-align: middle;
    border-radius: var(--spectrum-border-radius-100);
    font-weight: 600;
    transition: all 0.2s ease;
    padding: 4px;
}

.matrix-cell.header {
    background: transparent;
    font-weight: 800;
    color: var(--spectrum-gray-700);
    border: none;
}

.matrix-cell.row-label {
    text-align: right;
    padding-right: var(--spectrum-spacing-300);
    font-weight: 800;
    color: var(--spectrum-gray-700);
    background: transparent;
    min-width: 100px;
}

.matrix-cell.data {
    cursor: pointer;
    color: white;
}

.matrix-cell.data:hover {
    transform: scale(1.1);
    box-shadow: var(--spectrum-shadow-300);
    z-index: 10;
}

.matrix-cell.level-0 {
    background-color: #f0f0f0;
    color: var(--spectrum-gray-700);
}

.matrix-cell.level-1 {
    background-color: #e3f2fd;
    color: var(--spectrum-gray-900);
}
.matrix-cell.level-2 { background-color: #90caf9; }
.matrix-cell.level-3 { background-color: #64b5f6; }
.matrix-cell.level-4 { background-color: #42a5f5; }
.matrix-cell.level-5 { background-color: #ff9800; }
.matrix-cell.level-6 { background-color: #ff8f00; }
.matrix-cell.level-7 { background-color: #ff6f00; }
.matrix-cell.level-8 { background-color: #e65100; }
.matrix-cell.level-9 { background-color: #d84315; }
.matrix-cell.level-10 { background-color: #bf360c; }

.tooltip {
    position: fixed;
    background: var(--spectrum-gray-900);
    color: white;
    padding: var(--spectrum-spacing-200) var(--spectrum-spacing-300);
    border-radius: var(--spectrum-border-radius-100);
    font-size: var(--spectrum-font-size-small);
    pointer-events: none;
    z-index: 1000;
    display: none;
    box-shadow: var(--spectrum-shadow-400);
    max-width: 300px;
}

.tooltip.visible {
    display: block;
}

.empty-state {
    text-align: center;
    padding: var(--spectrum-spacing-600);
    color: var(--spectrum-gray-600);
    font-style: italic;
}

@media (width <= 1024px) {
    .visualization-grid {
        grid-template-columns: 1fr;
    }
}

/* Incidents by Category */
.incident-category {
    margin-bottom: var(--spectrum-spacing-500);
    border: 2px solid var(--spectrum-gray-200);
    border-radius: var(--spectrum-border-radius-200);
    overflow: hidden;
}

.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spectrum-spacing-400);
    background: var(--spectrum-gray-50);
    cursor: pointer;
    transition: background 0.2s ease;
}

.category-header:hover {
    background: var(--spectrum-gray-100);
}

.category-title-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spectrum-spacing-300);
    flex: 1;
}

.category-color-indicator {
    width: 4px;
    height: 32px;
    border-radius: var(--spectrum-border-radius-100);
}

.category-title {
    font-size: var(--spectrum-font-size-large);
    font-weight: 700;
    color: var(--spectrum-gray-900);
    margin: 0;
}

.category-count {
    font-size: var(--spectrum-font-size-small);
    color: var(--spectrum-gray-600);
    background: var(--spectrum-gray-200);
    padding: var(--spectrum-spacing-100) var(--spectrum-spacing-300);
    border-radius: var(--spectrum-border-radius-100);
    font-weight: 600;
}

.category-toggle {
    background: none;
    border: none;
    font-size: var(--spectrum-font-size-large);
    color: var(--spectrum-gray-600);
    cursor: pointer;
    padding: var(--spectrum-spacing-100);
    transition: transform 0.2s ease;
}

.incident-list {
    max-height: 2000px;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    background: white;
}

.incident-list.collapsed {
    max-height: 0;
    padding: 0;
}

.incident-item {
    display: flex;
    gap: var(--spectrum-spacing-400);
    padding: var(--spectrum-spacing-400);
    border-top: 1px solid var(--spectrum-gray-200);
    transition: background 0.2s ease;
}

.incident-item:hover {
    background: var(--spectrum-gray-50);
}

.incident-date {
    font-size: var(--spectrum-font-size-small);
    color: var(--spectrum-gray-600);
    font-weight: 600;
    min-width: 100px;
    flex-shrink: 0;
}

.incident-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spectrum-spacing-100);
}

.incident-name {
    font-size: var(--spectrum-font-size-medium);
    font-weight: 600;
    color: var(--spectrum-blue-700);
    line-height: 1.4;
    text-decoration: none;
    transition: color 0.2s ease;
}

.incident-name:hover {
    color: var(--spectrum-blue-900);
    text-decoration: underline;
}

.incident-code {
    font-size: var(--spectrum-font-size-xsmall);
    color: var(--spectrum-gray-500);
    font-family: monospace;
}

.incident-metadata {
    font-size: var(--spectrum-font-size-xsmall);
    color: var(--spectrum-gray-600);
    margin-top: var(--spectrum-spacing-100);
}

@media (width <= 768px) {
    .bar-label {
        width: 80px;
        font-size: 11px;
    }

    .matrix-cell {
        min-width: 45px;
        height: 35px;
        font-size: 11px;
    }

    .matrix-cell.row-label {
        min-width: 70px;
        font-size: 11px;
    }

    .incident-item {
        flex-direction: column;
        gap: var(--spectrum-spacing-200);
    }

    .incident-date {
        min-width: auto;
    }
}