/* Estilos para componentes de charts - Linha C */

/* Container base para todos os charts */
.chart-container {
    background: var(--cor-bg-card);
    border: 1px solid var(--cor-border);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: box-shadow 0.2s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    min-height: 300px;
}

.chart-container:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* Headers dos charts */
.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #f0f0f0;
}

.chart-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: #2c3e50;
    margin: 0;
}

.chart-summary,
.chart-legend {
    display: flex;
    gap: 12px;
    align-items: center;
    font-size: 12px;
}

.summary-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.summary-value {
    font-weight: 700;
    font-size: 14px;
    color: var(--cor-info);
}

.summary-label {
    font-size: 10px;
    color: var(--cor-text-light);
}

.summary-item.critical .summary-value {
    color: var(--cor-alerta);
}

.summary-item.priority .summary-value {
    color: var(--cor-alto);
}

/* Conteúdo dos charts */
.chart-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 8px 0;
    min-height: 200px;
}

.chart-footer {
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid #f0f0f0;
    font-size: 11px;
    color: var(--cor-text-light);
    text-align: center;
}

/* === C1 - Barras Empilhadas por Severidade === */
.stacked-chart {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    width: 100%;
    height: 280px;
    padding: 20px 0;
    border-bottom: 2px solid #e9ecef;
    position: relative;
}

.month-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    cursor: pointer;
    transition: all 0.2s ease;
    height: 100%;
}

.month-column:hover {
    transform: translateY(-2px);
}

.month-column.highlighted {
    transform: translateY(-4px);
    filter: brightness(1.1);
}

.month-bar {
    width: 100%;
    max-width: 50px;
    display: flex;
    flex-direction: column-reverse;
    border-radius: 4px 4px 0 0;
    overflow: hidden;
    box-shadow: 0 3px 8px rgba(0,0,0,0.2);
    border: 1px solid rgba(0,0,0,0.1);
    position: relative;
    background: rgba(0,0,0,0.02);
}

.bar-segment {
    width: 100%;
    min-height: 3px;
    transition: all 0.3s ease;
    position: relative;
}

.bar-segment.bar-severo {
    background: linear-gradient(180deg, var(--cor-severo) 0%, #b71c1c 100%);
    border-bottom: 1px solid rgba(183, 28, 28, 0.3);
}

.bar-segment.bar-alto {
    background: linear-gradient(180deg, var(--cor-alto) 0%, #e65100 100%);
    border-bottom: 1px solid rgba(230, 81, 0, 0.3);
}

.bar-segment.bar-medio {
    background: linear-gradient(180deg, var(--cor-medio) 0%, #f57f17 100%);
    border-bottom: 1px solid rgba(245, 127, 23, 0.3);
}

.bar-segment.bar-baixo {
    background: linear-gradient(180deg, var(--cor-baixo) 0%, #424242 100%);
    border-bottom: 1px solid rgba(66, 66, 66, 0.3);
}

.bar-segment.bar-empty {
    background: linear-gradient(180deg, #f5f5f5 0%, #e9ecef 100%);
    border: 1px dashed #ced4da;
    opacity: 0.7;
}

.month-label {
    margin-bottom: 8px;
    text-align: center;
    font-size: 11px;
    order: -1;
}

.month-name {
    font-weight: 500;
    color: var(--cor-text-light);
}

.month-total {
    font-weight: 700;
    color: #2c3e50;
    font-size: 12px;
}

/* === C2 - Burn-up Chart === */
.line-chart {
    position: relative;
    width: 100%;
    height: 180px;
}

.chart-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 20px;
    pointer-events: none;
}

.grid-line {
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    background: #f0f0f0;
    display: flex;
    align-items: center;
}

.grid-label {
    font-size: 10px;
    color: var(--cor-text-light);
    background: white;
    padding: 0 4px;
    margin-left: 4px;
}

.chart-lines {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 20px;
}

.line-svg {
    width: 100%;
    height: 100%;
}

.chart-points {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 20px;
    overflow: hidden;
    pointer-events: none;
}


.chart-point {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
    pointer-events: none;
    z-index: 10;
}

.chart-point.point-abertos {
    background: var(--cor-info);
    border: 2px solid white;
}

.chart-point.point-encerrados {
    background: var(--cor-sucesso);
    border: 2px solid white;
}


.chart-point.active,
.chart-point.highlighted {
    transform: translate(-50%, -50%) scale(1.5);
}

.hover-area {
    position: absolute;
    cursor: pointer;
    background: transparent;
    z-index: 20;
    pointer-events: auto;
}

.x-axis-labels {
    display: flex;
    justify-content: space-between;
    margin-bottom: 5px;
}

.x-label {
    font-size: 9px;
    color: var(--cor-text-light);
    text-align: center;
    flex: 1;
}

/* Dots para legenda */
.dot-abertos {
    color: var(--cor-info);
    font-size: 16px;
    margin-right: 4px;
}

.dot-encerrados {
    color: var(--cor-sucesso);
    font-size: 16px;
    margin-right: 4px;
}


/* === C3 - Faixas de Idade === */
.histogram-chart {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    width: 100%;
    height: 180px;
    padding: 10px 0;
}

.age-bar-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.age-bar-container:hover {
    transform: translateY(-2px);
}

.age-bar-container.active,
.age-bar-container.highlighted {
    transform: translateY(-4px);
    filter: brightness(1.1);
}

.age-bar {
    width: 100%;
    max-width: 40px;
    display: flex;
    flex-direction: column;
    border-radius: 4px 4px 0 0;
    overflow: hidden;
    min-height: 15px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: relative;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.age-bar.normal {
    background: linear-gradient(to top, #e9ecef, #f8f9fa);
}

.age-bar.critico {
    border-color: var(--cor-alerta);
    box-shadow: 0 2px 8px rgba(220, 53, 69, 0.3);
}

.age-bar.has-priority {
    outline: 2px solid var(--cor-alto);
    outline-offset: 1px;
}

.bar-section {
    width: 100%;
    min-height: 2px;
    transition: all 0.3s ease;
}

.bar-section.bar-severo {
    background: var(--cor-severo);
}

.bar-section.bar-alto {
    background: var(--cor-alto);
}

.bar-section.bar-medio {
    background: var(--cor-medio);
}

.bar-section.bar-baixo {
    background: var(--cor-baixo);
}

.bar-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 11px;
    font-weight: 700;
    color: white;
    text-shadow: 0 1px 2px rgba(0,0,0,0.5);
    z-index: 2;
}

.priority-indicator {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--cor-alto);
    color: white;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    font-size: 9px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.age-label {
    margin-top: 8px;
    text-align: center;
    font-size: 11px;
}

.age-name {
    font-weight: 600;
    color: #2c3e50;
}

.age-percent {
    font-size: 9px;
    color: var(--cor-text-light);
}

.critical-flag {
    position: absolute;
    top: -5px;
    left: -5px;
    font-size: 12px;
    animation: pulse-warning 2s infinite;
}

@keyframes pulse-warning {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.age-legend {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 8px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    color: var(--cor-text-light);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

.legend-color.normal {
    background: #e9ecef;
    border: 1px solid #ced4da;
}

.legend-color.critical {
    background: var(--cor-alerta);
}

.legend-outline {
    width: 12px;
    height: 12px;
    border: 2px solid var(--cor-alto);
    border-radius: 2px;
}

/* === Legendas gerais === */
.legend-items {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    color: var(--cor-text-light);
}

.legend-color {
    width: 10px;
    height: 10px;
    border-radius: 2px;
}

/* === Tooltips para charts === */
.chart-tooltip {
    position: absolute;
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 12px;
    line-height: 1.4;
    z-index: 1000;
    pointer-events: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    max-width: 280px;
    display: none;
}

.tooltip-header {
    font-weight: 600;
    margin-bottom: 8px;
    padding-bottom: 6px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.tooltip-body {
    margin-bottom: 8px;
}

.tooltip-line {
    margin: 4px 0;
    display: flex;
    align-items: center;
}

.tooltip-total {
    font-weight: 600;
    color: #ffd700;
}

.tooltip-alert {
    color: #ff6b6b;
    font-weight: 500;
    margin-top: 6px;
}

.tooltip-ok {
    color: #51cf66;
    font-weight: 500;
    margin-top: 6px;
}

.tooltip-footer {
    font-size: 10px;
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

/* Dots para severidades nos tooltips */
.dot-severo {
    color: var(--cor-severo);
    font-size: 12px;
    margin-right: 6px;
}

.dot-alto {
    color: var(--cor-alto);
    font-size: 12px;
    margin-right: 6px;
}

.dot-medio {
    color: var(--cor-medio);
    font-size: 12px;
    margin-right: 6px;
}

.dot-baixo {
    color: var(--cor-baixo);
    font-size: 12px;
    margin-right: 6px;
}

/* Saldos no burn-up */
.saldo-positivo {
    color: #ff6b6b;
    font-weight: 600;
}

.saldo-negativo {
    color: #51cf66;
    font-weight: 600;
}

.saldo-neutro {
    color: #ced4da;
    font-weight: 500;
}

/* === D1 - Rank Cards GMR === */
.rank-cards-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    width: 100%;
    height: 400px;
}

.rank-card {
    background: var(--cor-bg-card);
    border: 1px solid var(--cor-border);
    border-radius: 8px;
    padding: 16px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    height: 400px;
    position: relative;
    overflow: hidden;
}

.rank-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    transform: translateY(-2px);
}

.rank-card.rank-volume {
    border-left: 4px solid var(--cor-info);
}

.rank-card.rank-atraso {
    border-left: 4px solid var(--cor-alerta);
}

.rank-card.rank-severidade {
    border-left: 4px solid var(--cor-severo);
}

.rank-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid #f0f0f0;
    height: 50px;
    flex-shrink: 0;
}

.rank-header h4 {
    font-size: 14px;
    font-weight: 600;
    color: #2c3e50;
    margin: 0;
}

.rank-summary {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    text-align: right;
}

.rank-count {
    font-size: 18px;
    font-weight: 700;
    color: var(--cor-info);
    line-height: 1;
}

.rank-summary small {
    font-size: 10px;
    color: var(--cor-text-light);
    margin-top: 2px;
}

.rank-content {
    height: 300px;
    overflow-y: auto;
    margin: 10px 0;
}

.rank-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-right: 8px;
    max-height: 100%;
    overflow: hidden;
}

/* Estilização das barras de rolagem */
.rank-content::-webkit-scrollbar,
.horizontal-bars-chart::-webkit-scrollbar {
    width: 8px;
}

.rank-content::-webkit-scrollbar-track,
.horizontal-bars-chart::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
    margin: 4px 0;
}

.rank-content::-webkit-scrollbar-thumb,
.horizontal-bars-chart::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
    transition: background 0.2s ease;
    min-height: 20px;
}

.rank-content::-webkit-scrollbar-thumb:hover,
.horizontal-bars-chart::-webkit-scrollbar-thumb:hover {
    background: #a1a1a1;
}

.rank-content::-webkit-scrollbar-corner,
.horizontal-bars-chart::-webkit-scrollbar-corner {
    background: transparent;
}

.rank-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 8px;
    border-radius: 6px;
    transition: all 0.2s ease;
    cursor: pointer;
    border: 1px solid transparent;
    min-height: 60px;
}

.rank-item:hover {
    background: #f8f9fa;
    border-color: #dee2e6;
}

.rank-item.highlighted {
    background: rgba(0, 123, 255, 0.1);
    border-color: var(--cor-info);
}

.rank-item.rank-top {
    background: rgba(255, 193, 7, 0.1);
    border-color: #ffc107;
    font-weight: 600;
}

.rank-position {
    font-size: 12px;
    font-weight: 700;
    color: var(--cor-text-light);
    min-width: 20px;
    text-align: center;
}

.rank-item.rank-top .rank-position {
    color: #e67e00;
}

.rank-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.rank-name {
    font-size: 12px;
    font-weight: 500;
    color: #2c3e50;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 120px;
}

.rank-value {
    font-size: 10px;
    color: var(--cor-text-light);
}

.rank-badge {
    font-size: 11px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
    min-width: 30px;
    text-align: center;
}

.badge-high {
    background: var(--cor-info);
    color: white;
}

.badge-medium {
    background: var(--cor-medio);
    color: white;
}

.badge-low {
    background: #6c757d;
    color: white;
}

.badge-critical {
    background: var(--cor-severo);
    color: white;
    animation: pulse-critical 2s infinite;
}

.badge-warning {
    background: var(--cor-alto);
    color: white;
}

.badge-ok {
    background: var(--cor-sucesso);
    color: white;
}

@keyframes pulse-critical {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.rank-empty {
    text-align: center;
    padding: 20px;
    color: var(--cor-sucesso);
    font-size: 12px;
    font-style: italic;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 250px;
}

.rank-footer {
    padding-top: 8px;
    border-top: 1px solid #f0f0f0;
    font-size: 10px;
    color: var(--cor-text-light);
    text-align: center;
    height: 30px;
    flex-shrink: 0;
}

/* === D2 - Barras Horizontais por GER/Equipe === */
.horizontal-bars-container {
    height: 400px;
}

.horizontal-bars-container .chart-header {
    height: 60px;
    flex-shrink: 0;
}

.horizontal-bars-container .chart-footer {
    height: 40px;
    flex-shrink: 0;
}

.chart-controls {
    display: flex;
    align-items: center;
    gap: 16px;
}

.view-toggle {
    display: flex;
    background: #f8f9fa;
    border-radius: 6px;
    padding: 2px;
    border: 1px solid #dee2e6;
}

.toggle-btn {
    background: transparent;
    border: none;
    padding: 6px 12px;
    font-size: 11px;
    font-weight: 500;
    color: #6c757d;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.toggle-btn:hover {
    background: #e9ecef;
    color: #495057;
}

.toggle-btn.active {
    background: var(--cor-info);
    color: white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.horizontal-bars-chart {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 10px 0;
    height: 300px;
    overflow-y: auto;
}

.ger-bar-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 8px;
    border-radius: 6px;
    transition: all 0.2s ease;
    cursor: pointer;
    border: 1px solid transparent;
    min-height: 60px;
}

.ger-bar-item:hover {
    background: #f8f9fa;
    border-color: #dee2e6;
    transform: translateX(4px);
}

.ger-bar-item.highlighted {
    background: rgba(0, 123, 255, 0.1);
    border-color: var(--cor-info);
}

.ger-info {
    min-width: 180px;
    max-width: 180px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ger-name {
    font-size: 12px;
    font-weight: 600;
    color: #2c3e50;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px;
}

.ger-stats {
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.total-value {
    font-size: 14px;
    font-weight: 700;
    color: var(--cor-info);
}

.total-value.atraso-value {
    color: var(--cor-alerta);
}

.ger-stats small {
    font-size: 10px;
    color: var(--cor-text-light);
}

.ger-bar-container {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
}

.ger-bar {
    height: 24px;
    background: #f8f9fa;
    border-radius: 4px;
    border: 1px solid #e9ecef;
    display: flex;
    overflow: hidden;
    min-width: 20px;
    position: relative;
    transition: all 0.3s ease;
}

.ger-bar:hover {
    transform: scaleY(1.1);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.ger-bar-atraso {
    background: linear-gradient(90deg, rgba(220, 53, 69, 0.1) 0%, rgba(220, 53, 69, 0.2) 100%);
    border-color: var(--cor-alerta);
}

.bar-segment {
    height: 100%;
    transition: all 0.3s ease;
    position: relative;
}

.segment-severo {
    background: linear-gradient(90deg, var(--cor-severo) 0%, #b71c1c 100%);
}

.segment-alto {
    background: linear-gradient(90deg, var(--cor-alto) 0%, #e65100 100%);
}

.segment-medio {
    background: linear-gradient(90deg, var(--cor-medio) 0%, #f57f17 100%);
}

.segment-baixo {
    background: linear-gradient(90deg, var(--cor-baixo) 0%, #424242 100%);
}

.segment-atraso {
    background: linear-gradient(90deg, var(--cor-alerta) 0%, #c82333 100%);
}

.segment-empty {
    background: linear-gradient(90deg, #e9ecef 0%, #f8f9fa 100%);
    border: 1px dashed #ced4da;
}

.bar-value {
    font-size: 11px;
    font-weight: 600;
    color: #495057;
    min-width: 30px;
    text-align: right;
}

.bar-value.atraso-value {
    color: var(--cor-alerta);
}

.no-data {
    text-align: center;
    padding: 40px;
    color: var(--cor-text-light);
    font-style: italic;
}

/* === Responsividade === */
@media (max-width: 767px) {
    .chart-container {
        min-height: 250px;
        padding: 15px;
    }

    .chart-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .chart-summary,
    .chart-legend {
        gap: 8px;
        font-size: 11px;
    }

    .stacked-chart {
        gap: 6px;
        height: 220px;
        padding: 15px 0;
    }
    
    .month-bar {
        max-width: 35px;
    }
    
    .histogram-chart {
        gap: 6px;
        height: 150px;
    }

    .line-chart {
        height: 140px;
    }

    .chart-point {
        width: 5px;
        height: 5px;
    }


    .x-label {
        font-size: 8px;
    }

    .age-bar {
        max-width: 30px;
    }

    .priority-indicator {
        width: 14px;
        height: 14px;
        font-size: 8px;
    }

    .rank-cards-container {
        grid-template-columns: 1fr;
        gap: 12px;
        height: auto;
    }

    .rank-card {
        height: 350px;
        padding: 12px;
    }

    .rank-content {
        height: 250px;
    }

    .rank-header h4 {
        font-size: 13px;
    }

    .rank-count {
        font-size: 16px;
    }

    .rank-item {
        padding: 6px;
        gap: 6px;
    }

    .rank-name {
        font-size: 11px;
    }

    .rank-value {
        font-size: 9px;
    }

    .rank-badge {
        font-size: 10px;
        padding: 1px 4px;
        min-width: 25px;
    }

    .horizontal-bars-container {
        height: 350px;
    }

    .chart-controls {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .view-toggle {
        width: 100%;
    }

    .toggle-btn {
        flex: 1;
        text-align: center;
    }

    .horizontal-bars-chart {
        gap: 6px;
        padding: 8px 0;
        height: 250px;
    }

    .ger-bar-item {
        gap: 8px;
        padding: 6px;
        min-height: 40px;
    }

    .ger-info {
        min-width: 120px;
        max-width: 120px;
    }

    .ger-name {
        font-size: 11px;
    }

    .total-value {
        font-size: 12px;
    }

    .ger-stats small {
        font-size: 9px;
    }

    .ger-bar {
        height: 20px;
    }

    .bar-value {
        font-size: 10px;
        min-width: 25px;
    }
}

@media (max-width: 480px) {
    .chart-container {
        min-height: 220px;
        padding: 12px;
    }

    .chart-header h3 {
        font-size: 14px;
    }

    .chart-summary {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .legend-items {
        gap: 8px;
    }

    .legend-item {
        font-size: 10px;
    }

    .chart-tooltip {
        max-width: 200px;
        font-size: 11px;
        padding: 10px 12px;
    }
}
/* ==================== Stacked Bar Chart Component ==================== */

/* AIDEV-NOTE: Styles for StackedBarChart component
 * Uses flexbox for proportional bar segment sizing
 * Responsive design with hover effects and tooltips
 */

.chart-stacked-bar-container {
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
}

.chart-stacked-bar-container .chart-area {
    flex: 1;
    position: relative;
    padding: 20px;
    display: flex;
    flex-direction: row;
    gap: 12px;
    min-height: 200px;
}

/* AIDEV-NOTE: Y-axis with scale labels for proportional bars */
.chart-stacked-bar-container .chart-y-axis {
    width: 50px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 20px 0;
    font-size: 11px;
    color: #718096;
    text-align: right;
}

.chart-stacked-bar-container .y-axis-label {
    line-height: 1;
    padding: 2px 4px;
    font-weight: 500;
}

.chart-stacked-bar-container .chart-bars-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
}

.chart-stacked-bar-container .chart-bars {
    flex: 1;
    display: flex;
    align-items: flex-end;
    gap: 8px;
    position: relative;
}

.chart-stacked-bar-container .bar-container {
    flex: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    position: relative;
    cursor: pointer;
    min-width: 0; /* Allow flex items to shrink below content size */
}

.chart-stacked-bar-container .bar {
    width: 100%;
    display: flex;
    flex-direction: column-reverse;
    border-radius: 4px 4px 0 0;
    overflow: hidden;
    transition: transform 0.2s ease;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.chart-stacked-bar-container .bar:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
    z-index: 10;
}

.chart-stacked-bar-container .segment {
    min-height: 2px;
    transition: filter 0.2s ease;
}

.chart-stacked-bar-container .bar:hover .segment {
    filter: brightness(1.1);
}

.chart-stacked-bar-container .chart-x-axis {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
    font-size: 11px;
    color: var(--color-text-light, #666);
    padding: 0 4px;
}

.chart-stacked-bar-container .chart-x-axis > div {
    flex: 1;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chart-stacked-bar-container .chart-legend {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    padding: 12px 10px;
    border-top: 1px solid var(--color-border, #e2e8f0);
    background: var(--color-bg-subtle, #fafafa);
}

.chart-stacked-bar-container .legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--color-text, #4a5568);
}

.chart-stacked-bar-container .legend-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.chart-stacked-bar-container .chart-tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 8px 10px;
    border-radius: 4px;
    font-size: 11px;
    line-height: 1.4;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    margin-bottom: 8px;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.chart-stacked-bar-container .bar-container:hover .chart-tooltip {
    opacity: 1;
}

/* Tooltip arrow (optional enhancement) */
.chart-stacked-bar-container .chart-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.9);
}

/* Animation classes */
.chart-stacked-bar-container .chart-animate {
    animation: barGrow 0.3s ease-out;
}

@keyframes barGrow {
    from {
        transform: scaleY(0);
        transform-origin: bottom;
    }
    to {
        transform: scaleY(1);
        transform-origin: bottom;
    }
}

/* Responsive adjustments for stacked bars */
@media (max-width: 768px) {
    .chart-stacked-bar-container .chart-bars {
        gap: 4px;
    }

    .chart-stacked-bar-container .chart-x-axis {
        font-size: 10px;
    }

    .chart-stacked-bar-container .chart-legend {
        gap: 12px;
        padding: 10px 8px;
    }

    .chart-stacked-bar-container .legend-item {
        font-size: 11px;
        gap: 4px;
    }

    .chart-stacked-bar-container .legend-color {
        width: 10px;
        height: 10px;
    }

    .chart-stacked-bar-container .chart-tooltip {
        font-size: 10px;
        padding: 6px 8px;
    }
}

@media (max-width: 480px) {
    .chart-stacked-bar-container .chart-area {
        padding: 12px;
    }

    .chart-stacked-bar-container .chart-bars {
        gap: 2px;
    }

    .chart-stacked-bar-container .chart-x-axis {
        font-size: 9px;
        margin-top: 8px;
    }

    .chart-stacked-bar-container .chart-legend {
        gap: 8px;
        padding: 8px;
    }

    .chart-stacked-bar-container .legend-item {
        font-size: 10px;
    }
}

/* Empty state for stacked bar charts */
.chart-stacked-bar-container .chart-empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 250px;
    color: var(--color-text-light, #a0aec0);
}

.chart-stacked-bar-container .chart-empty-state > div {
    text-align: center;
}

.chart-stacked-bar-container .chart-empty-state .empty-icon {
    font-size: 48px;
    margin-bottom: 10px;
    opacity: 0.5;
}

.chart-stacked-bar-container .chart-empty-state .empty-message {
    font-size: 14px;
}

/* ==================== Line Chart Component ==================== */

/* AIDEV-NOTE: Styles for LineChart component
 * SVG-based multi-series line rendering with interactive features
 * Supports tooltips, grid lines, data points, and area fills
 */

.chart-line-container {
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    min-height: 250px;
}

.line-chart-svg {
    flex: 1;
    width: 100%;
    min-height: 200px;
}

/* Line series styling */
.line-series {
    fill: none;
    stroke-linejoin: round;
    stroke-linecap: round;
    transition: stroke-width 0.2s ease;
}

.line-series:hover {
    stroke-width: 3;
}

/* Area fill between series */
.area-fill {
    pointer-events: none;
    opacity: 1;
    transition: opacity 0.2s ease;
}

/* Data points */
.data-point {
    cursor: pointer;
    transition: r 0.2s ease, filter 0.2s ease;
}

.data-point:hover {
    filter: brightness(1.2);
}

/* Hover areas for better targeting */
.hover-area {
    cursor: pointer;
    fill: transparent;
}

/* Grid lines */
.grid-line {
    stroke: var(--color-border, #e2e8f0);
    stroke-width: 1;
}

.grid-line.major {
    stroke-width: 1.5;
    stroke: var(--color-border, #cbd5e0);
}

.grid-line.minor {
    stroke-dasharray: 2,2;
    stroke: var(--color-border, #e2e8f0);
}

/* Axis labels */
.axis-label {
    font-size: 11px;
    fill: var(--color-text-light, #718096);
    user-select: none;
}

/* Chart tooltip */
.chart-line-container .chart-tooltip {
    pointer-events: none;
    font-family: system-ui, -apple-system, sans-serif;
}

.chart-line-container .chart-tooltip rect {
    rx: 4;
    fill: rgba(0, 0, 0, 0.9);
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 1;
}

.chart-line-container .chart-tooltip text {
    fill: white;
    font-size: 11px;
    pointer-events: none;
}

.chart-line-container .chart-tooltip tspan {
    font-weight: normal;
}

.chart-line-container .chart-tooltip tspan:first-child {
    font-weight: bold;
}

/* Legend styling for line charts */
.chart-line-container .chart-legend {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    padding: 12px 10px;
    border-top: 1px solid var(--color-border, #e2e8f0);
    background: var(--color-bg-subtle, #fafafa);
}

.chart-line-container .legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--color-text, #4a5568);
}

.chart-line-container .legend-line {
    width: 20px;
    height: 3px;
    border-radius: 2px;
}

/* Animation classes */
.chart-line-container .chart-animate {
    animation: lineGrow 0.3s ease-out;
}

@keyframes lineGrow {
    from {
        stroke-dasharray: 1000;
        stroke-dashoffset: 1000;
    }
    to {
        stroke-dasharray: 1000;
        stroke-dashoffset: 0;
    }
}

/* Responsive adjustments for line charts */
@media (max-width: 768px) {
    .chart-line-container {
        min-height: 200px;
    }

    .line-chart-svg {
        min-height: 180px;
    }

    .data-point {
        r: 2.5;
    }

    .axis-label {
        font-size: 10px;
    }

    .chart-line-container .chart-legend {
        gap: 12px;
        padding: 10px 8px;
    }

    .chart-line-container .legend-item {
        font-size: 11px;
        gap: 4px;
    }

    .chart-line-container .legend-line {
        width: 16px;
        height: 2.5px;
    }
}

@media (max-width: 480px) {
    .chart-line-container {
        min-height: 180px;
    }

    .line-chart-svg {
        min-height: 150px;
    }

    .data-point {
        r: 2;
    }

    .axis-label {
        font-size: 9px;
    }

    .chart-line-container .chart-legend {
        gap: 8px;
        padding: 8px;
        flex-direction: column;
        align-items: flex-start;
    }

    .chart-line-container .legend-item {
        font-size: 10px;
    }

    .chart-line-container .legend-line {
        width: 14px;
        height: 2px;
    }

    /* Hide every other X-axis label on very small screens */
    .x-axis text:nth-child(even) {
        display: none;
    }
}

/* Empty state for line charts */
.chart-line-container .chart-empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 250px;
    color: var(--color-text-light, #a0aec0);
}

.chart-line-container .chart-empty-state > div {
    text-align: center;
}

.chart-line-container .chart-empty-state .empty-icon {
    font-size: 48px;
    margin-bottom: 10px;
    opacity: 0.5;
}

.chart-line-container .chart-empty-state .empty-message {
    font-size: 14px;
}

/* ============================================================================
   DONUT/PIE CHART STYLES
   ============================================================================
   AIDEV-NOTE: Styles for DonutChart component - SVG-based circular visualization
   Supports both donut (with center hole) and pie (full circle) modes
   ========================================================================= */

/* Wrapper */
.chart-donut-wrapper {
    height: 100%;
    width: 100%;
}

/* Container */
.chart-donut-container {
    height: 100%;
    display: flex;
    flex-direction: column;
    background: var(--color-white, #ffffff);
    border: 1px solid var(--color-border, #e2e8f0);
    border-radius: var(--border-radius, 8px);
    box-shadow: var(--card-shadow, 0 1px 3px rgba(0,0,0,0.1));
}

.chart-donut-container:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* Header */
.chart-donut-header {
    padding: 20px;
    border-bottom: 1px solid var(--color-border, #e2e8f0);
}

.chart-donut-header h4 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text, #2d3748);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Body */
.chart-donut-body {
    flex: 1;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden; /* AIDEV-NOTE: Ensure content stays within flex container bounds */
}

/* SVG */
.donut-svg {
    width: 100%;
    height: 100%;
    max-width: 300px;
    max-height: 300px; /* AIDEV-NOTE: Responsive to both width and height of container */
}

/* Segments */
.donut-segment {
    cursor: pointer;
    transition: transform 0.2s ease, opacity 0.2s ease;
    transform-origin: center;
}

.donut-segment:hover {
    opacity: 0.9;
}

/* Center label (donut mode only) */
.donut-center-label {
    pointer-events: none;
}

.donut-center-text {
    font-size: 12px;
    fill: var(--color-text-light, #718096);
    font-weight: 600;
}

.donut-center-value {
    font-size: 24px;
    fill: var(--color-text, #2d3748);
    font-weight: bold;
}

/* Tooltips */
.donut-tooltip {
    position: fixed;
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 11px;
    white-space: nowrap;
    pointer-events: none;
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.donut-tooltip.visible {
    opacity: 1;
}

/* Legend */
.chart-legend {
    display: flex;
    justify-content: center;
    gap: 15px;
    padding: 15px 20px;
    border-top: 1px solid var(--color-border, #e2e8f0);
    flex-wrap: wrap;
    font-size: 11px;
}

.chart-legend.position-top {
    border-top: none;
    border-bottom: 1px solid var(--color-border, #e2e8f0);
    order: -1;
}

.chart-legend.position-bottom {
    flex-direction: row;
    justify-content: center;
}

.chart-legend.position-right {
    flex-direction: column;
    border-top: none;
    border-left: 1px solid var(--color-border, #e2e8f0);
    justify-content: flex-start;
    align-items: flex-start;
}

.chart-legend.position-left {
    flex-direction: column;
    border-top: none;
    border-right: 1px solid var(--color-border, #e2e8f0);
    justify-content: flex-start;
    align-items: flex-start;
    order: -1;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--color-text, #2d3748);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
    flex-shrink: 0;
}

.legend-percentage {
    color: var(--color-text-light, #718096);
    margin-left: 4px;
}

/* Empty state */
.chart-donut-container .empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 200px;
    color: var(--color-text-light, #a0aec0);
}

.chart-donut-container .empty-state > div {
    text-align: center;
}

.chart-donut-container .empty-state .empty-icon {
    font-size: 48px;
    margin-bottom: 10px;
    opacity: 0.5;
}

.chart-donut-container .empty-state .empty-message {
    font-size: 14px;
}

/* ============================================================================
   RESPONSIVE DESIGN - DONUT/PIE CHARTS
   ============================================================================ */

/* Tablet */
@media (max-width: 768px) {
    .donut-svg {
        max-width: 250px;
    }

    .donut-center-value {
        font-size: 20px;
    }

    .donut-center-text {
        font-size: 11px;
    }

    .chart-legend {
        font-size: 10px;
        gap: 12px;
        padding: 12px 15px;
    }

    .legend-item {
        font-size: 10px;
    }

    .legend-color {
        width: 10px;
        height: 10px;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .donut-svg {
        max-width: 200px;
    }

    .donut-center-value {
        font-size: 16px;
    }

    .donut-center-text {
        font-size: 10px;
    }

    .chart-donut-header {
        padding: 15px;
    }

    .chart-donut-header h4 {
        font-size: 13px;
    }

    .chart-donut-body {
        padding: 15px;
    }

    .chart-legend {
        font-size: 9px;
        gap: 10px;
        padding: 10px;
    }

    .legend-item {
        font-size: 9px;
        gap: 4px;
    }

    .legend-color {
        width: 8px;
        height: 8px;
    }
}

/* ==================== Horizontal Bar Chart ==================== */

/* AIDEV-NOTE: Horizontal bar chart styles with stacked segments support
 * Layout: Flexbox column for bars, absolute positioning for segments
 * Responsive: Breakpoints at 768px and 480px
 */

/* Container */
.horizontal-bar-chart-container {
    min-height: 530px;
    height: 100%;
    display: flex;
    flex-direction: column;
    background: var(--color-white, #ffffff);
    border: 1px solid var(--color-border, #e2e8f0);
    border-radius: var(--border-radius, 8px);
    box-shadow: var(--card-shadow, 0 1px 3px rgba(0,0,0,0.1));
}

/* Header */
.horizontal-bar-chart-container .chart-header {
    padding: 20px;
    border-bottom: 1px solid var(--color-border, #e2e8f0);
}

.horizontal-bar-chart-container .chart-header h4 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text, #2d3748);
}

/* Body */
.horizontal-bar-chart-container .chart-body {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

/* Bars list */
.horizontal-bar-chart-container .bars-list {
    display: flex;
    flex-direction: column;
}

/* Bar item */
.horizontal-bar-chart-container .bar-item {
    margin-bottom: 80px;
}

.horizontal-bar-chart-container .bar-item:last-child {
    margin-bottom: 0;
}

/* Bar info row (label + value) */
.horizontal-bar-chart-container .bar-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

/* AIDEV-NOTE: Label truncation with ellipsis and tooltip via title attribute */
.horizontal-bar-chart-container .bar-label {
    font-size: 16px;
    color: var(--color-text, #2d3748);
    font-weight: 600;
    max-width: 250px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    cursor: default;
}

.horizontal-bar-chart-container .bar-value {
    font-size: 16px;
    color: var(--color-text-light, #718096);
    font-weight: 700;
}

/* Bar track (background) */
.horizontal-bar-chart-container .bar-track {
    position: relative;
    height: 32px;
    background: var(--color-bg, #f7fafc);
    border-radius: 4px;
    overflow: hidden;
}

/* Bar fill (foreground) */
.horizontal-bar-chart-container .bar-fill {
    position: relative;
    height: 100%;
    border-radius: 4px;
    overflow: hidden;
}

/* AIDEV-NOTE: Stacked segments using absolute positioning with left% and width%
 * Cumulative width calculation ensures no gaps between segments
 */
.horizontal-bar-chart-container .bar-segment {
    position: absolute;
    height: 100%;
    transition: opacity 0.2s ease;
}

.horizontal-bar-chart-container .bar-segment:hover {
    opacity: 0.8;
}

/* Percentage label overlay */
.horizontal-bar-chart-container .bar-percentage {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 10px;
    font-weight: 600;
    color: var(--color-text-light, #718096);
    pointer-events: none;
}

/* AIDEV-NOTE: White text for percentage when bar is wide enough */
.horizontal-bar-chart-container .bar-fill[data-width-large="true"] .bar-percentage {
    color: var(--color-white, #ffffff);
}

/* Legend */
.horizontal-bar-chart-container .chart-legend {
    display: flex;
    justify-content: center;
    gap: 15px;
    padding: 10px;
    border-top: 1px solid var(--color-border, #e2e8f0);
    font-size: 11px;
    flex-wrap: wrap;
}

.horizontal-bar-chart-container .legend-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.horizontal-bar-chart-container .legend-color {
    width: 10px;
    height: 10px;
    border-radius: 2px;
}

.horizontal-bar-chart-container .legend-item span {
    color: var(--color-text-secondary, #4a5568);
}

/* Empty state */
.horizontal-bar-chart-container .bars-list:empty::after {
    content: '';
    display: block;
    min-height: 200px;
}

/* ==================== Responsive Design ==================== */

/* Tablet (768px and below) */
@media (max-width: 768px) {
    .horizontal-bar-chart-container .bar-label {
        max-width: 180px;
        font-size: 14px;
    }

    .horizontal-bar-chart-container .bar-value {
        font-size: 14px;
    }

    .horizontal-bar-chart-container .bar-track {
        height: 28px;
    }

    .horizontal-bar-chart-container .bar-item {
        margin-bottom: 60px;
    }

    .horizontal-bar-chart-container .chart-legend {
        font-size: 10px;
        gap: 10px;
    }
}

/* Mobile (480px and below) */
@media (max-width: 480px) {
    .horizontal-bar-chart-container {
        min-height: 400px;
    }

    .horizontal-bar-chart-container .chart-header {
        padding: 15px;
    }

    .horizontal-bar-chart-container .chart-header h4 {
        font-size: 14px;
    }

    .horizontal-bar-chart-container .chart-body {
        padding: 15px;
    }

    .horizontal-bar-chart-container .bar-label {
        max-width: 120px;
        font-size: 12px;
    }

    .horizontal-bar-chart-container .bar-value {
        font-size: 12px;
    }

    .horizontal-bar-chart-container .bar-track {
        height: 24px;
    }

    .horizontal-bar-chart-container .bar-item {
        margin-bottom: 50px;
    }

    .horizontal-bar-chart-container .bar-percentage {
        font-size: 9px;
    }

    .horizontal-bar-chart-container .chart-legend {
        font-size: 9px;
        gap: 8px;
        padding: 8px;
    }

    .horizontal-bar-chart-container .legend-color {
        width: 8px;
        height: 8px;
    }
}

/* Animation for bar appearance */
@keyframes barSlideIn {
    from {
        width: 0;
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.horizontal-bar-chart-container .bar-fill {
    animation: barSlideIn 0.3s ease-out;
}

/* ============================================================================
   ANIMATION KEYFRAMES - DONUT/PIE
   ============================================================================ */

@keyframes donutSegmentFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ============================================================================
   WATERFALL CHART STYLES
   ============================================================================ */

:root {
    /* Waterfall Chart Colors - Modern Professional Palette (2024) */
    --waterfall-color-start: #1e3a8a;        /* Deep navy - trust & stability */
    --waterfall-color-end: #1e3a8a;          /* Deep navy - trust & stability */
    --waterfall-color-increase: #059669;     /* Emerald green - growth & sustainability */
    --waterfall-color-decrease: #dc2626;     /* Modern red - clear negative indicator */
    --waterfall-color-subtotal: #6366f1;     /* Indigo - distinctive neutral */
    --waterfall-connector-color: #94a3b8;    /* Slate gray - subtle but visible */

    /* Waterfall Chart Dimensions - Optimized Spacing (matching exemple_waterfall_chart.png) */
    --waterfall-bar-width: 80px;             /* AIDEV-NOTE: Increased from 64px for more prominent bars (ref: exemple_waterfall_chart.png) */
    --waterfall-bar-gap: 45px;               /* AIDEV-NOTE: Increased by 25% from 36px for better horizontal spacing */
    --waterfall-bar-radius: 6px;             /* Modern rounded corners */

    /* Waterfall Axes - Enhanced Visibility */
    --waterfall-axis-color: #cbd5e0;         /* Darker gray for better visibility */
    --waterfall-axis-width: 2px;             /* Thicker lines */
    --waterfall-grid-color: #e2e8f0;         /* Subtle grid lines */
    --waterfall-grid-opacity: 0.4;           /* Light but present */

    /* Annotation */
    --waterfall-annotation-bg: #fef3c7;
    --waterfall-annotation-border: #d69e2e;
}

/* Container */
.waterfall-chart-container {
    width: 100%;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    background: var(--color-background, #ffffff);
    border-radius: 10px;  /* AIDEV-NOTE: Modern rounded corners (was 8px) */
    padding: 20px;  /* AIDEV-NOTE: More generous padding for professional look */
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);  /* AIDEV-NOTE: Subtle depth */
    /* AIDEV-NOTE: Subtle fade-in animation for smooth appearance */
    animation: waterfallContainerFadeIn 0.4s ease-out;
}

/* AIDEV-NOTE: Container entrance animation */
@keyframes waterfallContainerFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Chart Header */
.waterfall-chart-container .chart-header {
    margin-bottom: 20px;  /* AIDEV-NOTE: Better spacing for visual hierarchy */
}

.waterfall-chart-container .chart-header h4 {
    margin: 0 0 6px 0;  /* AIDEV-NOTE: Balanced margin for readability */
    font-size: 18px;  /* AIDEV-NOTE: Larger for prominence and hierarchy */
    font-weight: 600;
    color: var(--color-text, #1a202c);
    letter-spacing: -0.01em;  /* AIDEV-NOTE: Tighter spacing for modern look */
}

.waterfall-chart-container .chart-subtitle {
    margin: 0;
    font-size: 13px;  /* AIDEV-NOTE: Improved legibility */
    font-weight: 400;
    color: var(--color-text-light, #718096);
    line-height: 1.5;
}

/* Chart Area Layout */
.waterfall-chart-container .chart-area {
    display: flex;
    flex: 1;
    position: relative;
    min-height: 300px;
    margin-bottom: 10px;
}

/* Y-Axis - Enhanced Visibility */
.waterfall-chart-container .chart-y-axis {
    width: 70px;  /* AIDEV-NOTE: Wider for better label spacing */
    position: relative;
    border-right: var(--waterfall-axis-width) solid var(--waterfall-axis-color);  /* AIDEV-NOTE: Thicker, darker line */
    flex-shrink: 0;
}

.waterfall-chart-container .y-tick {
    position: absolute;
    right: 12px;  /* AIDEV-NOTE: More spacing from axis line */
    font-size: 11px;  /* AIDEV-NOTE: Larger for better readability */
    font-weight: 500;  /* AIDEV-NOTE: Medium weight for clarity */
    color: var(--color-text-light, #718096);
    transform: translateY(50%);
    white-space: nowrap;
}

/* AIDEV-NOTE: Horizontal grid lines for better readability */
.waterfall-chart-container .grid-line-h {
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    border-top: 1px solid var(--waterfall-grid-color);  /* AIDEV-NOTE: Subtle but visible */
    opacity: var(--waterfall-grid-opacity);
    pointer-events: none;
}

/* Bars Container - Flexbox Layout */
.waterfall-chart-container .chart-bars {
    flex: 1;
    display: flex;
    align-items: flex-end;
    gap: var(--waterfall-bar-gap);
    padding: 20px;  /* AIDEV-NOTE: More generous padding for balance */
    position: relative;
}

/* Individual Bar Container */
.waterfall-chart-container .bar-container {
    flex: 1;
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    min-width: 40px;
}

/* Bar Styles - Modern Professional Look */
.waterfall-chart-container .bar {
    position: absolute;
    width: 100%;
    max-width: var(--waterfall-bar-width);
    margin: 0 auto;
    left: 0;
    right: 0;
    border-radius: var(--waterfall-bar-radius) var(--waterfall-bar-radius) 0 0;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);  /* AIDEV-NOTE: Smooth transitions */
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);  /* AIDEV-NOTE: Better depth */
}

.waterfall-chart-container .bar:hover {
    transform: scale(1.02) translateY(-2px);  /* AIDEV-NOTE: Subtle lift effect */
    filter: brightness(1.08);  /* AIDEV-NOTE: Gentle glow on hover */
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.18);  /* AIDEV-NOTE: Enhanced depth on hover */
    z-index: 5;
}

/* AIDEV-NOTE: Accessibility - focus state for keyboard navigation */
.waterfall-chart-container .bar:focus {
    outline: 2px solid var(--waterfall-color-start, #2b6cb0);
    outline-offset: 2px;
    opacity: 0.9;
}

/* Bar Type Colors - using CSS variables for easy customization */
.waterfall-chart-container .bar-start,
.waterfall-chart-container .bar-end {
    background: var(--waterfall-color-start);
}

.waterfall-chart-container .bar-increase {
    background: var(--waterfall-color-increase);
}

.waterfall-chart-container .bar-decrease {
    background: var(--waterfall-color-decrease);
}

.waterfall-chart-container .bar-subtotal {
    background: var(--waterfall-color-subtotal);
    opacity: 0.75;
}

/* Value Labels - Enhanced Readability */
.waterfall-chart-container .bar-value-label {
    position: absolute;
    width: 100%;
    text-align: center;
    font-size: 12px;  /* AIDEV-NOTE: Larger for faster data scanning */
    font-weight: 700;  /* AIDEV-NOTE: Bold for better legibility */
    color: var(--color-text, #1a202c);
    white-space: nowrap;
    z-index: 2;
    letter-spacing: -0.01em;  /* AIDEV-NOTE: Tighter for modern look */
}

.waterfall-chart-container .bar-value-label.inside {
    top: 50%;
    transform: translateY(-50%);
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.waterfall-chart-container .bar-value-label.outside-top {
    bottom: 100%;
    margin-bottom: 5px;
    color: var(--color-text, #1a202c);
}

.waterfall-chart-container .bar-value-label.outside-bottom {
    top: 100%;
    margin-top: 5px;
    color: var(--color-text, #1a202c);
}

/* Connector Lines */
.waterfall-chart-container .connector-line {
    position: absolute;
    top: 0;
    left: 100%;
    width: var(--waterfall-bar-gap);
    height: 1px;
    border-top: var(--waterfall-connector-width, 1px) dotted var(--waterfall-connector-color);
    opacity: 0.6;
    pointer-events: none;
}

/* Annotation Callouts */
.waterfall-chart-container .annotation-callout {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    background: var(--waterfall-annotation-bg);
    border: 1px solid var(--waterfall-annotation-border);
    border-radius: 4px;
    padding: 6px 10px;
    font-size: 11px;
    white-space: pre-line;
    z-index: 10;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    max-width: 200px;
    /* AIDEV-NOTE: Add subtle backdrop blur for modern appearance */
    backdrop-filter: blur(4px);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

/* AIDEV-NOTE: Subtle hover effect for annotations */
.waterfall-chart-container .annotation-callout:hover {
    transform: translateX(-50%) translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

.waterfall-chart-container .callout-content {
    text-align: center;
    line-height: 1.4;
    color: var(--color-text, #1a202c);
}

.waterfall-chart-container .callout-arrow {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid var(--waterfall-annotation-border);
}

/* X-Axis Labels - CRITICAL: Prevent Overlap */
.waterfall-chart-container .chart-x-axis {
    display: flex;
    gap: var(--waterfall-bar-gap);
    padding: 12px 20px 0 86px;  /* AIDEV-NOTE: Adjusted for wider Y-axis */
    border-top: 2px solid var(--waterfall-axis-color);  /* AIDEV-NOTE: Clear axis line */
    margin-top: 8px;
}

.waterfall-chart-container .x-label {
    flex: 1;
    text-align: center;
    font-size: 10px;  /* AIDEV-NOTE: Optimized size for 12 labels */
    font-weight: 600;  /* AIDEV-NOTE: Bold for better readability */
    color: var(--color-text, #1a202c);
    max-width: var(--waterfall-bar-width);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding-top: 6px;
    letter-spacing: -0.02em;  /* AIDEV-NOTE: Tighter spacing to save horizontal space */
}

/* Legend - Enhanced Visual Design */
.waterfall-chart-container .chart-legend {
    display: flex;
    justify-content: center;
    gap: 20px;  /* AIDEV-NOTE: Better spacing between items */
    padding: 16px;  /* AIDEV-NOTE: More generous padding */
    flex-wrap: wrap;
    margin-top: 8px;
}

.waterfall-chart-container .legend-item {
    display: flex;
    align-items: center;
    gap: 7px;  /* AIDEV-NOTE: Balanced spacing */
    font-size: 12px;  /* AIDEV-NOTE: Larger for better readability */
    font-weight: 500;  /* AIDEV-NOTE: Medium weight */
    color: var(--color-text, #1a202c);
    /* AIDEV-NOTE: Subtle hover effect for legend items */
    transition: transform 0.2s ease, opacity 0.2s ease;
    cursor: default;
}

.waterfall-chart-container .legend-item:hover {
    transform: translateY(-1px);
    opacity: 0.85;
}

.waterfall-chart-container .legend-color {
    width: 14px;  /* AIDEV-NOTE: Larger for better visibility */
    height: 14px;
    border-radius: 3px;  /* AIDEV-NOTE: Slightly more rounded */
    flex-shrink: 0;
    /* AIDEV-NOTE: Better shadow for depth */
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

/* Tooltip */
.waterfall-chart-container .chart-tooltip {
    position: absolute;
    background: rgba(0, 0, 0, 0.95);
    color: white;
    padding: 12px 14px;
    border-radius: 8px;
    font-size: 12px;
    line-height: 1.6;
    pointer-events: none;
    z-index: 1000;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
    max-width: 250px;
    /* AIDEV-NOTE: Smooth tooltip appearance */
    animation: tooltipFadeIn 0.2s ease-out;
    backdrop-filter: blur(8px);
}

.waterfall-chart-container .chart-tooltip div {
    margin: 2px 0;
}

/* AIDEV-NOTE: Tooltip entrance animation */
@keyframes tooltipFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Responsive Design - Optimized for Label Clarity */

/* Tablet and Small Desktop (768px - 1024px) */
@media (max-width: 1024px) {
    .waterfall-chart-container {
        --waterfall-bar-width: 65px;  /* AIDEV-NOTE: Updated proportionally (+25%) to match desktop spacing */
        --waterfall-bar-gap: 30px;    /* AIDEV-NOTE: Increased by 25% from 24px for better horizontal spacing */
    }

    .waterfall-chart-container .x-label {
        font-size: 9px;
        font-weight: 700;  /* AIDEV-NOTE: Extra bold to prevent perceived overlap */
    }
}

/* AIDEV-NOTE: TASK-066 - Fix clipping at 1920x1080 with 35% sidebar */
/* Standard Desktop with 35% sidebar (1025px - 2000px) */
@media (min-width: 1025px) and (max-width: 2000px) {
    :root {
        --waterfall-bar-width: 50px;  /* AIDEV-NOTE: Reduced from 80px to prevent horizontal clipping with 35% sidebar */
        --waterfall-bar-gap: 22px;    /* AIDEV-NOTE: Reduced from 45px to fit 14 bars in Cash Bridge chart (986px total) */
    }
    /* AIDEV-NOTE: Calculations for 1920x1080 with 35% sidebar:
     * - Main content: 1238px (65% of 1920px - 32px)
     * - Cash Bridge container: 1110px → available 1030px → 14 bars need 986px ✓
     * - Budget charts container: 535px → available 413px → 6 bars need 410px ✓
     * Applies to screens 1025-2000px to accommodate 1920x1080 and similar resolutions
     */
}

/* Tablet Portrait (768px and below) */
@media (max-width: 768px) {
    .waterfall-chart-container {
        --waterfall-bar-width: 50px;  /* AIDEV-NOTE: Updated proportionally (+25%) to match desktop spacing */
        --waterfall-bar-gap: 23px;    /* AIDEV-NOTE: Increased by 25% from 18px (rounded from 22.5px) */
        padding: 16px;
    }

    .waterfall-chart-container .chart-header h4 {
        font-size: 16px;
    }

    .waterfall-chart-container .chart-subtitle {
        font-size: 12px;
    }

    .waterfall-chart-container .chart-bars {
        padding: 12px;
    }

    .waterfall-chart-container .bar-value-label {
        font-size: 10px;
        font-weight: 700;
    }

    /* CRITICAL: Rotate labels to prevent overlap */
    .waterfall-chart-container .x-label {
        font-size: 9px;
        transform: rotate(-35deg);
        transform-origin: top center;
        text-align: right;
        padding-top: 10px;
        white-space: nowrap;
    }

    .waterfall-chart-container .annotation-callout {
        font-size: 10px;
        padding: 5px 8px;
        max-width: 150px;
    }

    .waterfall-chart-container .chart-x-axis {
        padding: 12px 12px 0 76px;
        padding-bottom: 20px;  /* AIDEV-NOTE: Extra space for rotated labels */
    }

    .waterfall-chart-container .chart-y-axis {
        width: 60px;
    }

    .waterfall-chart-container .y-tick {
        font-size: 10px;
    }
}

/* Mobile (480px and below) */
@media (max-width: 480px) {
    .waterfall-chart-container {
        --waterfall-bar-width: 35px;  /* AIDEV-NOTE: Updated proportionally (+25%) to match desktop spacing */
        --waterfall-bar-gap: 15px;    /* AIDEV-NOTE: Increased by 25% from 12px for better horizontal spacing */
        padding: 12px;
    }

    .waterfall-chart-container .chart-header h4 {
        font-size: 15px;
    }

    .waterfall-chart-container .chart-subtitle {
        font-size: 11px;
    }

    .waterfall-chart-container .bar-value-label {
        font-size: 9px;
        font-weight: 700;
    }

    /* CRITICAL: Even more rotation for mobile */
    .waterfall-chart-container .x-label {
        font-size: 8px;
        transform: rotate(-45deg);
        font-weight: 700;
    }

    .waterfall-chart-container .chart-x-axis {
        padding-bottom: 25px;  /* AIDEV-NOTE: More space for steeper rotation */
    }

    .waterfall-chart-container .legend-item {
        font-size: 11px;
        gap: 5px;
    }

    .waterfall-chart-container .legend-color {
        width: 12px;
        height: 12px;
    }

    .waterfall-chart-container .chart-y-axis {
        width: 50px;
    }

    .waterfall-chart-container .y-tick {
        font-size: 9px;
        right: 8px;
    }
}

/* AIDEV-NOTE: Enhanced animation for bar appearance with staggered entrance */
@keyframes waterfallBarGrow {
    from {
        height: 0;
        opacity: 0;
        transform: scaleY(0);
    }
    to {
        opacity: 1;
        transform: scaleY(1);
    }
}

.waterfall-chart-container .bar {
    animation: waterfallBarGrow 0.4s ease-out;
    transform-origin: bottom;
}

/* AIDEV-NOTE: Staggered animation delays for visual appeal */
.waterfall-chart-container .bar-container:nth-child(1) .bar { animation-delay: 0.05s; }
.waterfall-chart-container .bar-container:nth-child(2) .bar { animation-delay: 0.1s; }
.waterfall-chart-container .bar-container:nth-child(3) .bar { animation-delay: 0.15s; }
.waterfall-chart-container .bar-container:nth-child(4) .bar { animation-delay: 0.2s; }
.waterfall-chart-container .bar-container:nth-child(5) .bar { animation-delay: 0.25s; }
.waterfall-chart-container .bar-container:nth-child(6) .bar { animation-delay: 0.3s; }
.waterfall-chart-container .bar-container:nth-child(7) .bar { animation-delay: 0.35s; }
.waterfall-chart-container .bar-container:nth-child(8) .bar { animation-delay: 0.4s; }

/* ==================== Interactive Equalizer Chart ==================== */

/* AIDEV-NOTE: Interactive chart with drag-to-edit points, smooth curves, and scenario modeling */

.equalizer-chart-container {
    --eq-color-main: #3182ce;
    --eq-color-main-fill: rgba(49, 130, 206, 0.1);
    --eq-color-optimistic: #48bb78;
    --eq-color-pessimistic: #e53e3e;
    --eq-color-point: #2c5282;
    --eq-color-point-hover: #1a365d;
    --eq-color-grid: #e2e8f0;
    --eq-color-axis: #718096;
    --eq-point-radius: 6px;
    --eq-point-hover-radius: 8px;
    
    width: 100%;
    padding: 20px;
    background: var(--color-bg, white);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.equalizer-chart-container .chart-header {
    margin-bottom: 20px;
    text-align: center;
}

.equalizer-chart-container .chart-header h4 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text, #1a202c);
}

.equalizer-chart-container .chart-subtitle {
    margin: 5px 0 0 0;
    font-size: 14px;
    color: var(--color-text-light, #718096);
}

/* SVG Chart Area */
.equalizer-chart-container .chart-svg {
    display: block;
    max-width: 100%;
    height: auto;
}

/* Grid Lines */
.equalizer-chart-container .grid-line {
    stroke: var(--eq-color-grid);
    stroke-width: 1;
    stroke-dasharray: 4, 4;
}

/* Scenario Curves */
.equalizer-chart-container .curve-optimistic,
.equalizer-chart-container .curve-pessimistic {
    fill: none;
    stroke-width: 2;
    opacity: 0.5;
    stroke-dasharray: 4, 4;
    transition: opacity 0.3s ease, stroke-width 0.3s ease;
}

.equalizer-chart-container .curve-optimistic {
    stroke: var(--eq-color-optimistic);
}

.equalizer-chart-container .curve-pessimistic {
    stroke: var(--eq-color-pessimistic);
}

.equalizer-chart-container .curve-optimistic:hover,
.equalizer-chart-container .curve-pessimistic:hover {
    opacity: 0.8;
    stroke-width: 3;
}

/* Main Curve */
.equalizer-chart-container .curve-line {
    fill: none;
    stroke: var(--eq-color-main);
    stroke-width: 3;
    transition: stroke-width 0.3s ease;
}

/* Data Points */
.equalizer-chart-container .point {
    fill: var(--eq-color-point);
    stroke: white;
    stroke-width: 2;
    cursor: ns-resize;
    transition: r 0.2s ease, fill 0.2s ease, filter 0.2s ease;
}

.equalizer-chart-container .point:hover {
    fill: var(--eq-color-point-hover);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
    r: var(--eq-point-hover-radius);
}

.equalizer-chart-container .point:active,
.equalizer-chart-container .point.dragging {
    fill: var(--eq-color-point-hover);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
    r: var(--eq-point-hover-radius);
}

/* Axis Labels */
.equalizer-chart-container .axis-label {
    font-size: 12px;
    fill: var(--eq-color-axis);
    user-select: none;
}

.equalizer-chart-container .axis-line {
    stroke: var(--eq-color-axis);
    stroke-width: 2;
}

/* Tooltip */
.equalizer-chart-container .chart-tooltip {
    position: absolute;
    background: rgba(26, 32, 44, 0.95);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    pointer-events: none;
    z-index: 1000;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(4px);
}

/* Summary Section */
.equalizer-chart-container .chart-summary {
    display: flex;
    flex-direction: column;
    margin-top: 20px;
    border: 1px solid var(--eq-color-grid);
    border-radius: 6px;
    overflow: hidden;
}

.equalizer-chart-container .summary-toggle {
    width: 100%;
    padding: 12px 16px;
    background: #f7fafc;
    border: none;
    text-align: left;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text, #1a202c);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background 0.2s ease;
}

.equalizer-chart-container .summary-toggle:hover {
    background: #edf2f7;
}

.equalizer-chart-container .toggle-icon {
    font-size: 10px;
    transition: transform 0.3s ease;
}

.equalizer-chart-container .summary-content {
    padding: 16px;
    background: white;
    border-top: 1px solid var(--eq-color-grid);
}

/* Statistics */
.equalizer-chart-container .statistics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.equalizer-chart-container .stat {
    padding: 12px;
    background: #f7fafc;
    border-radius: 6px;
    border-left: 3px solid var(--eq-color-main);
}

.equalizer-chart-container .stat-label {
    display: block;
    font-size: 12px;
    color: var(--color-text-light, #718096);
    margin-bottom: 4px;
}

.equalizer-chart-container .stat-value {
    display: block;
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text, #1a202c);
}

/* Input Table */
.equalizer-chart-container .input-table {
    margin-bottom: 20px;
}

.equalizer-chart-container .input-table h4 {
    margin: 0 0 12px 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text, #1a202c);
}

.equalizer-chart-container .input-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.equalizer-chart-container .input-row {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.equalizer-chart-container .input-row label {
    font-size: 12px;
    color: var(--color-text-light, #718096);
}

.equalizer-chart-container .value-input {
    padding: 6px 8px;
    font-size: 14px;
    border: 1px solid var(--eq-color-grid);
    border-radius: 4px;
    background: white;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.equalizer-chart-container .value-input:focus {
    outline: none;
    border-color: var(--eq-color-main);
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
}

.equalizer-chart-container .value-input:hover {
    border-color: #cbd5e0;
}

/* Uncertainty Control */
.equalizer-chart-container .uncertainty-control {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.equalizer-chart-container .uncertainty-control label {
    font-size: 14px;
    color: var(--color-text, #1a202c);
}

.equalizer-chart-container .uncertainty-value {
    font-weight: 600;
    color: var(--eq-color-main);
}

.equalizer-chart-container .uncertainty-slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--eq-color-grid);
    outline: none;
    -webkit-appearance: none;
}

.equalizer-chart-container .uncertainty-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--eq-color-main);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.equalizer-chart-container .uncertainty-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 0 4px rgba(49, 130, 206, 0.2);
}

.equalizer-chart-container .uncertainty-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--eq-color-main);
    cursor: pointer;
    border: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.equalizer-chart-container .uncertainty-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 0 4px rgba(49, 130, 206, 0.2);
}

/* Responsive Breakpoints */

/* AIDEV-NOTE: TASK-060 - Desktop sidebar optimization for 1920x1080 displays */
/* On 1920x1080, sidebar is 25% = 480px wide. Summary content needs tight layout to fit all elements. */
/* CRITICAL: Force summary-content to respect parent container width to prevent horizontal overflow */
@media (min-width: 1024px) {
    .equalizer-chart-container .summary-content {
        padding: 8px; /* Reduced from 16px to save more horizontal space */
        max-width: 100%; /* CRITICAL: Prevent overflow beyond parent container */
        box-sizing: border-box; /* Include padding in width calculation */
        overflow-x: hidden; /* Hide any horizontal overflow */
    }

    .equalizer-chart-container .statistics {
        grid-template-columns: repeat(3, 1fr); /* Force 3 columns instead of auto-fit */
        gap: 8px; /* Reduced from 16px to fit within narrow sidebar */
        margin-bottom: 12px; /* Reduced from 20px */
        max-width: 100%; /* Prevent grid from expanding beyond container */
    }

    .equalizer-chart-container .input-grid {
        grid-template-columns: repeat(3, 1fr); /* Reduced from 4 to 3 columns */
        gap: 8px; /* Reduced from 12px to fit within narrow sidebar */
        max-width: 100%; /* Prevent grid from expanding beyond container */
    }

    .equalizer-chart-container .input-table {
        margin-bottom: 12px; /* Reduced from 20px for tighter vertical spacing */
    }

    .equalizer-chart-container .input-row label,
    .equalizer-chart-container .stat-label {
        font-size: 11px; /* Slightly smaller labels to save space */
    }
}

@media (max-width: 768px) {
    .equalizer-chart-container {
        padding: 15px;
    }

    .equalizer-chart-container .chart-svg {
        height: 300px;
    }

    .equalizer-chart-container .statistics {
        grid-template-columns: repeat(3, 1fr);
    }

    .equalizer-chart-container .input-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .equalizer-chart-container .axis-label {
        font-size: 10px;
    }

    .equalizer-chart-container .point {
        r: 8px;
    }
}

@media (max-width: 480px) {
    .equalizer-chart-container {
        padding: 10px;
    }

    .equalizer-chart-container .chart-header h4 {
        font-size: 16px;
    }

    .equalizer-chart-container .input-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Animation */
@keyframes equalizerFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.equalizer-chart-container {
    animation: equalizerFadeIn 0.4s ease-out;
}

/* ==================== Interactive Equalizer Chart - Enhanced Interactions ==================== */

/* AIDEV-NOTE: Enhanced CSS transitions and hover states for better UX and accessibility */

/* Enhanced Curve Transitions */
.equalizer-chart-container .curve-line {
    transition: stroke-width 0.3s ease, d 0.3s ease-in-out, filter 0.3s ease;
}

/* Enhanced Point Interactions */
.equalizer-chart-container .point {
    cursor: grab;
    transition: r 0.15s ease, fill 0.15s ease, stroke 0.15s ease, filter 0.15s ease;
}

.equalizer-chart-container .point:active,
.equalizer-chart-container .point.dragging {
    cursor: grabbing;
}

.equalizer-chart-container .point:hover {
    r: var(--eq-point-hover-radius);
    stroke-width: 2.5;
}

/* Drag Visual Feedback */
.equalizer-chart-container .point.dragging {
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.25));
    r: var(--eq-point-hover-radius);
}

/* Disable text selection during drag */
.equalizer-chart-container.dragging {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
}

/* Dim other points during drag */
.equalizer-chart-container.dragging .point:not(.dragging) {
    opacity: 0.4;
    transition: opacity 0.2s ease;
}

/* Highlight curve during drag */
.equalizer-chart-container.dragging .curve-line {
    stroke-width: 4;
    filter: drop-shadow(0 2px 4px rgba(49, 130, 206, 0.3));
}

/* Scenario Curves Enhanced Transitions */
.equalizer-chart-container .curve-optimistic,
.equalizer-chart-container .curve-pessimistic {
    transition: opacity 0.3s ease, stroke-width 0.3s ease, d 0.3s ease-in-out;
}

/* Summary Section Enhanced Animations */
.equalizer-chart-container .summary-content {
    transition: max-height 0.4s ease, opacity 0.3s ease, padding 0.3s ease;
    overflow: hidden;
}

.equalizer-chart-container .chart-summary[data-collapsed="true"] .summary-content {
    max-height: 0;
    opacity: 0;
    padding-top: 0;
    padding-bottom: 0;
}

/* Toggle Icon Rotation */
.equalizer-chart-container .toggle-icon {
    display: inline-block;
    transition: transform 0.3s ease;
}

.equalizer-chart-container .chart-summary[data-collapsed="true"] .toggle-icon {
    transform: rotate(-90deg);
}

/* Enhanced Input Field States */
.equalizer-chart-container .value-input {
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.equalizer-chart-container .value-input:hover {
    border-color: var(--eq-color-main);
    background-color: #f7fafc;
}

.equalizer-chart-container .value-input:focus {
    outline: none;
    border-color: var(--eq-color-main);
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.15);
    background-color: white;
}

/* Enhanced Uncertainty Slider */
.equalizer-chart-container .uncertainty-slider {
    transition: background 0.2s ease;
}

.equalizer-chart-container .uncertainty-slider::-webkit-slider-thumb {
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.equalizer-chart-container .uncertainty-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 0 0 4px rgba(49, 130, 206, 0.2);
}

.equalizer-chart-container .uncertainty-slider::-moz-range-thumb {
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.equalizer-chart-container .uncertainty-slider::-moz-range-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 0 0 4px rgba(49, 130, 206, 0.2);
}

/* Enhanced Summary Toggle Button */
.equalizer-chart-container .summary-toggle {
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.equalizer-chart-container .summary-toggle:hover {
    background-color: #edf2f7;
}

.equalizer-chart-container .summary-toggle:active {
    transform: translateY(1px);
}

/* ==================== Accessibility - Focus States (WCAG AA) ==================== */

/* AIDEV-NOTE: All interactive elements have visible focus states for keyboard navigation */

/* Points Focus State */
.equalizer-chart-container .point:focus-visible {
    outline: 3px solid #4299e1;
    outline-offset: 3px;
    r: var(--eq-point-hover-radius);
}

/* Summary Toggle Focus State */
.equalizer-chart-container .summary-toggle:focus-visible {
    outline: 3px solid #4299e1;
    outline-offset: 2px;
}

/* Input Fields Focus State */
.equalizer-chart-container .value-input:focus-visible {
    outline: 3px solid #4299e1;
    outline-offset: 1px;
    border-color: var(--eq-color-main);
}

/* Uncertainty Slider Focus State */
.equalizer-chart-container .uncertainty-slider:focus-visible {
    outline: 3px solid #4299e1;
    outline-offset: 2px;
}

/* ==================== Enhanced Responsive Design ==================== */

/* Tablet Adjustments (768px - 1024px) */
@media (max-width: 1024px) {
    .equalizer-chart-container .chart-svg {
        height: 350px;
    }

    .equalizer-chart-container .point {
        r: 7px;
    }

    .equalizer-chart-container .point:hover,
    .equalizer-chart-container .point.dragging {
        r: 9px;
    }

    .equalizer-chart-container .input-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile Adjustments (< 768px) - Enhanced for Touch */
@media (max-width: 768px) {
    .equalizer-chart-container {
        padding: 15px;
    }

    .equalizer-chart-container .chart-svg {
        height: 300px;
    }

    /* Larger touch targets */
    .equalizer-chart-container .point {
        r: 8px;
    }

    .equalizer-chart-container .point:hover,
    .equalizer-chart-container .point.dragging {
        r: 10px;
    }

    .equalizer-chart-container .input-grid {
        grid-template-columns: 1fr;
    }

    .equalizer-chart-container .statistics {
        flex-direction: column;
        gap: 8px;
    }

    .equalizer-chart-container .axis-label {
        font-size: 10px;
    }

    .equalizer-chart-container .chart-header h4 {
        font-size: 16px;
    }

    .equalizer-chart-container .summary-toggle {
        font-size: 14px;
        padding: 10px 12px;
    }
}

/* Extra Small Mobile (< 480px) */
@media (max-width: 480px) {
    .equalizer-chart-container {
        padding: 10px;
    }

    .equalizer-chart-container .chart-svg {
        height: 280px;
    }

    .equalizer-chart-container .value-input {
        font-size: 13px;
        padding: 5px 6px;
    }
}


/* ========================================
   Traditional Bar Chart Styles
   ======================================== */

/* AIDEV-NOTE: Traditional bar chart with value-based heights
   Bar heights scale linearly with values (not fixed proportions) */

.traditional-bar-chart-container {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 20px;
    box-sizing: border-box;
}

/* Chart Body Layout */
.traditional-bar-chart-container .chart-body {
    display: flex;
    flex: 1;
    gap: 16px;
    min-height: 300px;
    position: relative;
}

/* Y-Axis */
.traditional-bar-chart-container .chart-y-axis {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 60px;
    position: relative;
}

.traditional-bar-chart-container .y-axis-tick {
    display: flex;
    align-items: center;
    position: relative;
    height: 0;
}

.traditional-bar-chart-container .tick-label {
    font-size: 12px;
    color: var(--color-text-secondary, #718096);
    text-align: right;
    width: 50px;
    padding-right: 8px;
}

.traditional-bar-chart-container .tick-line {
    position: absolute;
    left: 50px;
    width: 8px;
    height: 1px;
    background: var(--color-border, #cbd5e0);
}

/* AIDEV-NOTE: TASK-073 - Fixed 10079px scrollWidth issue caused by hardcoded 9999px grid line width */
.traditional-bar-chart-container .grid-line {
    position: absolute;
    left: 60px;
    right: 0;  /* AIDEV-NOTE: Extend to container edge instead of fixed width to prevent horizontal scroll */
    height: 1px;
    background: var(--color-border-light, #e2e8f0);
    z-index: 0;
}

/* Chart Content Area */
.traditional-bar-chart-container .chart-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    position: relative;
}

/* Bars Container */
/* AIDEV-NOTE: Fixed clipping issue at 1920x1080 - changed justify-content from space-around to center */
.traditional-bar-chart-container .chart-bars-container {
    display: flex;
    flex: 1;
    align-items: flex-end;
    justify-content: center;  /* AIDEV-NOTE: Center bars instead of space-around to prevent overflow */
    gap: var(--bar-gap, 24px);
    position: relative;
    padding: 20px;  /* AIDEV-NOTE: Added horizontal padding (20px left/right) to prevent bar clipping at 1920x1080, especially December bar on the right edge */
    z-index: 1;
}

/* Bar Container */
/* AIDEV-NOTE: Fixed clipping issue - removed flex: 1 to prevent bars from growing beyond max-width */
.traditional-bar-chart-container .bar-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    position: relative;
    flex-shrink: 0;  /* AIDEV-NOTE: Prevent shrinking below min-width */
    height: 100%;
    max-width: var(--bar-width, 64px);
    min-width: var(--bar-width, 64px);
}

/* Individual Bar */
.traditional-bar-chart-container .chart-bar {
    position: relative;
    width: 100%;
    background-color: var(--bar-color, #4299e1);
    border-radius: 4px 4px 0 0;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.2s;
}

.traditional-bar-chart-container .chart-bar:hover {
    opacity: 0.85;
    transform: scale(1.02);
}

/* Bar Segment (Stacked) */
.traditional-bar-chart-container .bar-segment {
    position: absolute;
    width: 100%;
    left: 0;
    background-color: var(--segment-color);
    transition: all 0.3s ease;
}

.traditional-bar-chart-container .bar-segment:first-child {
    border-radius: 2px 2px 0 0;
}

.traditional-bar-chart-container .bar-segment:last-child {
    border-radius: 0 0 2px 2px;
}

/* Value Labels */
.traditional-bar-chart-container .bar-total-label {
    position: absolute;
    top: -24px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-primary, #2d3748);
    white-space: nowrap;
}

/* X-Axis */
/* AIDEV-NOTE: TASK-073 - Changed justify-content from space-around to center to match bars-container and prevent massive overflow */
.traditional-bar-chart-container .chart-x-axis {
    display: flex;
    justify-content: center;  /* AIDEV-NOTE: Match bars-container alignment to prevent X-axis from spreading wider than bars */
    gap: var(--bar-gap, 24px);
    height: 40px;
    border-top: 1px solid var(--color-border, #cbd5e0);
    padding-top: 8px;
    margin-top: 8px;
}

/* AIDEV-NOTE: TASK-073 - Removed flex: 1 to prevent labels from growing and causing overflow */
.traditional-bar-chart-container .x-axis-label {
    font-size: 12px;
    color: var(--color-text-secondary, #718096);
    text-align: center;
    flex: 0 0 auto;  /* AIDEV-NOTE: Prevent growing (was flex: 1) - fixes 10059px scrollWidth issue at 1920x1080 */
    max-width: var(--bar-width, 64px);
    min-width: var(--bar-width, 64px);
}

/* Legend */
.traditional-bar-chart-container .chart-legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    padding: 12px 0;
    margin-top: 48px;  /* AIDEV-NOTE: Extra spacing to prevent overlap with X-axis labels (8px padding + 22px line-height + 18px buffer) */
}

.traditional-bar-chart-container .legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--color-text-secondary, #718096);
}

.traditional-bar-chart-container .legend-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

/* Tooltip */
.traditional-bar-chart-container .chart-tooltip {
    position: absolute;
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 12px;
    pointer-events: none;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    max-width: 250px;
    line-height: 1.4;
}

/* Empty State */
.traditional-bar-chart-container .chart-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-height: 300px;
    color: var(--color-text-light, #a0aec0);
    font-size: 14px;
}

/* Animation */
@keyframes bar-grow {
    from {
        transform: scaleY(0);
    }
    to {
        transform: scaleY(1);
    }
}

.traditional-bar-chart-container .chart-bar {
    transform-origin: bottom;
    animation: bar-grow 0.3s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .traditional-bar-chart-container {
        padding: 12px;
    }

    .traditional-bar-chart-container .chart-body {
        gap: 12px;
    }

    .traditional-bar-chart-container .chart-y-axis {
        width: 50px;
    }

    .traditional-bar-chart-container .tick-label {
        font-size: 10px;
        width: 40px;
        padding-right: 6px;
    }

    .traditional-bar-chart-container .bar-total-label {
        font-size: 10px;
    }

    .traditional-bar-chart-container .x-axis-label {
        font-size: 10px;
    }
}

@media (max-width: 480px) {
    .traditional-bar-chart-container .chart-bars-container {
        gap: 12px;
    }

    .traditional-bar-chart-container .bar-container {
        max-width: 40px;
        min-width: 40px;
    }

    .traditional-bar-chart-container .x-axis-label {
        font-size: 9px;
    }
}

/* CSS Variables */
:root {
    --bar-width: 64px;
    --bar-gap: 24px;
    --color-bg-tooltip: #ffffff;
    --color-border: #cbd5e0;
    --color-border-light: #e2e8f0;
    --color-text-primary: #2d3748;
    --color-text-secondary: #718096;
    --color-text-light: #a0aec0;
}