body { 
            background-color: var(--gray-50); 
            font-family: 'Inter', sans-serif; /* Fuente más moderna */
        }
        .main-container { max-width: 1600px; margin: 0 auto; padding: 2rem; }

        /* --- Estilos para Scrollbar (Especial para Chrome/Safari) --- */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--gray-100);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--gray-300);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--gray-400);
        }
        .report-table th.filterable-header {
            position: relative; /* Clave para posicionar el popover */
            justify-content: space-between;
            align-items: center;
        }
        .header-content-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%; /* Ocupa todo el espacio de la celda */
        }
        .report-table th.filterable-header span {
            display: inline-block;
            padding-right: 25px; /* Deja espacio para el ícono que se posicionará encima. */
        }

        /* Ícono del filtro */
        .filter-icon {
            position: absolute; /* Se saca del flujo normal del texto. */
            right: 0;
            top: 50%;
            transform: translateY(-50%); /* Centrado vertical perfecto. */
            font-size: 0.8em;
            color: var(--gray-400);
            padding: 0.5rem;
            cursor: pointer;
            border-radius: var(--border-radius-sm);
            transition: all 0.2s ease;
        }
        .filter-icon:hover {
            background-color: var(--gray-200);
            color: var(--primary-600);
        }

        /* Ícono cuando un filtro está activo en esa columna */
        .filter-icon.active {
            color: white;
            background-color: var(--primary-600);
        }

        /* El panel emergente (popover) */
        .filter-popover {
            position: absolute;
            top: calc(100% + 5px);
            left: 50%;
            transform: translateX(-50%);
            background-color: white;
            border: 1px solid var(--gray-200);
            border-radius: var(--border-radius-lg);
            box-shadow: var(--shadow-xl);
            z-index: 50;
            min-width: 200px;
            padding: 0.5rem 0;
            animation: fadeIn 0.15s ease-out;
        }
        .filter-popover::before {
            content: '';
            position: absolute;
            bottom: 100%;
            left: 50%;
            transform: translateX(-50%);
            border: 8px solid transparent;
            border-bottom-color: white;
            filter: drop-shadow(0 -1px 1px rgba(0,0,0,0.05));
        }

    .filter-option {
        padding: 0.75rem 1.25rem;
        font-size: 0.875rem;
        color: var(--gray-700);
        cursor: pointer;
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }
    .filter-option:hover {
        background-color: var(--primary-50);
    }
    .filter-option.selected {
        font-weight: 600;
        color: var(--primary-600);
    }
    @keyframes fadeIn {
        from { opacity: 0; transform: translateX(-50%) translateY(-10px); }
        to { opacity: 1; transform: translateX(-50%) translateY(0); }
    }

        /* --- Estilos para Tarjetas de KPI --- */
        .kpi-container {
            display: grid;
            gap: 1.5rem;
            margin-bottom: 2rem;
            /* Por defecto, una columna en móviles */
            grid-template-columns: 1fr; 
        }

        /* En pantallas más grandes, pasamos a un diseño de columnas */
        @media (min-width: 768px) {
            .kpi-container {
                grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            }
        }
        .kpi-card {
            background-color: white;
            padding: 1.5rem;
            border-radius: var(--border-radius-lg);
            border: 1px solid var(--gray-200);
            -webkit-box-shadow: var(--shadow-sm);
            box-shadow: var(--shadow-sm);
            -webkit-transition: all 0.3s ease;
            transition: all 0.3s ease;
            text-align: center;
            z-index: 910;
        }
        .kpi-card:hover {
            -webkit-transform: translateY(-4px);
            transform: translateY(-4px);
            -webkit-box-shadow: var(--shadow-md);
            box-shadow: var(--shadow-md);
        }
        .kpi-title { font-size: 0.875rem; color: var(--gray-500); margin-bottom: 0.5rem; }
        .kpi-value { font-size: 2.25rem; font-weight: 700; color: var(--primary-600); line-height: 1; }
        .kpi-value .unit { font-size: 1.5rem; color: var(--gray-400); margin-left: 0.25rem; }
        
        /* --- Estilos para Checkbox de Columnas --- */
        .column-selector { background: white; padding: 1.5rem; border-radius: var(--border-radius-lg); margin-bottom: 2rem; border: 1px solid var(--gray-200); }
        .column-selector h3 { margin-top: 0; margin-bottom: 1rem; font-size: 1rem; color: var(--gray-700); }
        .checkbox-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 1rem; }
        .custom-checkbox { position: relative; display: flex; align-items: center; cursor: pointer; font-size: 0.875rem; -webkit-user-select: none; user-select: none; color: var(--gray-800); }
        .custom-checkbox input { position: absolute; opacity: 0; cursor: pointer; }
        .checkmark { position: relative; height: 22px; width: 22px; background-color: var(--gray-200); border-radius: var(--border-radius-sm); -webkit-transition: background-color 0.2s ease; transition: background-color 0.2s ease; margin-right: 0.75rem; border: 1px solid var(--gray-300); }
        .custom-checkbox:hover .checkmark { background-color: var(--gray-300); }
        .custom-checkbox input:checked ~ .checkmark { background-color: var(--primary-600); border-color: var(--primary-600); }
        .checkmark:after { content: ""; position: absolute; display: none; left: 7px; top: 3px; width: 5px; height: 10px; border: solid white; border-width: 0 3px 3px 0; -webkit-transform: rotate(45deg); transform: rotate(45deg); }
        .custom-checkbox input:checked ~ .checkmark:after { display: block; }

        /* --- Estilos para Filtros Avanzados --- */
        .filter-bar { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1.5rem; background-color: white; padding: 1.5rem; border-radius: var(--border-radius-lg); margin-bottom: 2rem; border: 1px solid var(--gray-200); }
        .filter-bar .input-field, .filter-bar .filter-select { -webkit-appearance: none; appearance: none; width: 100%; padding: 0.75rem 1rem; border: 1px solid var(--gray-300); border-radius: var(--border-radius-md); font-size: 0.875rem; background-color: var(--gray-50); }
        .filter-bar .input-field:focus, .filter-bar .filter-select:focus { outline: none; border-color: var(--primary-500); background-color: white; }
        
        /* --- Estilos para Tabla de Reporte y Skeleton --- */
        .report-table-container { background-color: white; border-radius: var(--border-radius-lg); box-shadow: var(--shadow-sm); overflow-x: auto; border: 1px solid var(--gray-200); }
        .report-table { width: 100%; border-collapse: collapse; }
        .report-table th, .report-table td { padding: 1rem 1.25rem; text-align: left; border-bottom: 1px solid var(--gray-200); white-space: nowrap; }
        .report-table tbody tr { cursor: pointer; -webkit-transition: background-color 0.2s ease; transition: background-color 0.2s ease; }
        .report-table tbody tr:hover { background-color: var(--primary-50); }
        .report-table th.sortable-header { cursor: pointer; position: relative; -webkit-user-select: none; user-select: none; }
        .report-table th.sortable-header:hover { background-color: var(--gray-100); }
        .report-table th.sortable-header::after { content: '▲'; position: absolute; right: 1rem; top: 50%; transform: translateY(-50%) scale(0.6); -webkit-transform: translateY(-50%) scale(0.6); color: var(--gray-300); opacity: 1; -webkit-transition: color 0.2s ease; transition: color 0.2s ease; }
        .report-table th.sorted-asc::after, .report-table th.sorted-desc::after { color: var(--primary-600); }
        .report-table th.sorted-desc::after { content: '▼'; }
        .center-name { font-weight: 600; color: var(--gray-800); }
        .status-icon { font-size: 1.25rem; text-align: center; }
        .status-icon.success { color: var(--green-500); }
        .status-icon.danger { color: var(--red-500); }
        .skeleton-bar { height: 1.25rem; width: 80%; background-color: var(--gray-200); border-radius: var(--border-radius-sm); }
        .skeleton-circle { height: 20px; width: 20px; background-color: var(--gray-200); border-radius: 50%; margin: 0 auto; }
        .report-table .loading-skeleton .skeleton-bar, .report-table .loading-skeleton .skeleton-circle { -webkit-animation: loading 1.5s infinite; animation: loading 1.5s infinite; }
        
        /* Lógica para ocultar columnas */
        .hide-col-score th.col-score, .hide-col-score td.col-score,
        .hide-col-eval-inicial th.col-eval-inicial, .hide-col-eval-inicial td.col-eval-inicial,
        .hide-col-fotos th.col-fotos, .hide-col-fotos td.col-fotos,
        .hide-col-specific-evals th.col-specific-evals, .hide-col-specific-evals td.col-specific-evals { 
            display: none; 
        }
        .hide-col-closed th.col-closed, .hide-col-closed td.col-closed {
            display: none;
        }
        .report-card-title .area-name {
            display: block;
            font-size: 0.175em;
            color: #888;
            font-weight: 500;
            margin-top: 4px;
        }
        .area-name-report {
            font-size: 0.8em;
            color: #888;
            margin-top: 2px;
            font-weight: 400;
        }
        .header-count {
            font-weight: 400;
            font-size: 0.9em;
            color: var(--gray-500);
            margin-left: 0.5rem;
        }
            .col-expand { width: 5px; text-align: center; }
            .expand-arrow { cursor: pointer; display: inline-block; transition: transform 0.2s ease-in-out; font-size: 0.8em; color: var(--gray-400); }
            .expand-arrow:hover { color: var(--primary-600); }
            .expand-arrow.expanded { transform: rotate(90deg); }
            .details-row { display: none; }
            .details-row td { background-color: var(--gray-50); padding: 0 !important; }
            .details-content { padding: 1rem 1.5rem 1.5rem 4rem; }
            .details-content h4 { margin-top: 0; margin-bottom: 1rem; color: var(--gray-700); font-size: 0.9rem; }
            .evaluation-list { list-style: none; padding: 0; margin: 0; }
            .evaluation-item { display: flex; align-items: center; gap: 1rem; padding: 0.75rem; border-bottom: 1px solid var(--gray-200); }
            .evaluation-item:last-child { border-bottom: none; }
            .eval-type-badge { font-weight: 600; padding: 0.25rem 0.6rem; border-radius: 12px; font-size: 0.875rem; color: white; }
            .eval-score { font-weight: 500; color: var(--gray-800); }
            .eval-date { font-size: 0.875rem; color: var(--gray-500); margin-left: auto; }
            @media (max-width: 768px) {
                .report-table thead {
                    display: none;
                }
                .report-table, .report-table tbody, .report-table tr, .report-table td {
                    display: block;
                    width: 100%;
                }
                .report-table tr {
                    margin-bottom: 1.5rem;
                    border: 1px solid var(--gray-200);
                    border-radius: var(--border-radius-lg);
                    padding: 1rem;
                    box-shadow: var(--shadow-sm);
                    background-color: white;
                }
                .report-table td {
                    text-align: right;
                    padding-left: 50%;
                    position: relative;
                }
                .report-table td::before {
                    content: attr(data-label);
                    position: absolute;
                    left: 1rem;
                    width: calc(50% - 1.5rem);
                    white-space: nowrap;
                    text-align: left;
                    font-weight: 600;
                    color: var(--gray-700);
                }
                .col-expand, .col-name {
                    text-align: left !important;
                    padding-left: 1rem !important;
                }
                .col-expand::before {
                    content: '' !important;
                    display: none;
                }
            }
                .chart-card {
                background-color: var(--white);
                border-radius: 12px;
                box-shadow: 0 4px 12px rgba(0,0,0,0.05);
                padding: 1.5rem;
                margin-bottom: 2rem;
            }
            .chart-title {
                font-size: 1.25rem;
                font-weight: 600;
                color: var(--gray-800);
                margin-bottom: 0.5rem;
            }
            .chart-subtitle {
                font-size: 0.9rem;
                color: var(--gray-500);
                margin-bottom: 1.5rem;
            }
            .chart-container {
                position: relative;
                height: 400px;
                width: 100%;
            }
            .kpi-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-bottom: 2rem;
        }

        .kpi-icon-wrapper {
            display: grid;
            place-items: center;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            margin-right: 1rem;
        }
        .kpi-icon { font-size: 1.5rem; }
        .kpi-title {
            color: var(--gray-500);
            font-size: 0.9rem;
            margin: 0 0 0.25rem 0;
        }
        .kpi-value {
            font-size: 2rem;
            font-weight: 700;
            margin: 0;
        }
        .dashboard-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); /* Responsive grid */
            gap: 1.5rem; /* Espacio entre las tarjetas */
            margin-bottom: 2rem;
        }

        /* Estilos actualizados para las tarjetas de gráficas */
        .chart-card {
            background-color: var(--white);
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08); /* Sombra más pronunciada para un look moderno */
            padding: 1.5rem;
            transition: transform 0.2s ease-in-out; /* Efecto hover sutil */
        }
        .chart-card:hover {
            transform: translateY(-5px); /* Pequeño levantamiento al pasar el ratón */
        }

        /* Encabezado de la tarjeta con botón de ampliar */
        .chart-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 0.5rem;
        }

        .chart-title {
            font-size: 1.35rem; /* Títulos un poco más grandes */
            font-weight: 700; /* Más negrita */
            color: var(--gray-800);
            margin: 0; /* Eliminar margen predeterminado */
        }
        .chart-subtitle {
            font-size: 0.95rem;
            color: var(--gray-600); /* Color un poco más oscuro para el subtítulo */
            margin-bottom: 1.5rem;
        }
        .chart-container {
            position: relative;
            height: 350px; /* Altura ajustada para las gráficas */
            width: 100%;
        }

        /* Estilos para el botón de ampliar */
        .expand-btn {
            background: none;
            border: none;
            color: var(--gray-400);
            cursor: pointer;
            font-size: 1.1rem;
            padding: 0.5rem;
            border-radius: 6px;
            transition: all 0.2s ease-in-out;
        }
        .expand-btn:hover {
            color: var(--primary-600); /* Cambia de color al pasar el ratón */
            background-color: var(--gray-100);
        }

        /* ...existing code... */

/* Estilos para el KPI clickeable */
#total-areas-kpi {
    cursor: pointer;
    position: relative;
    display: inline-flex;
    align-items: center;
}

#total-areas-kpi::after {
    content: '\f078'; /* Ícono de flecha hacia abajo de Font Awesome */
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    font-size: 0.5em;
    margin-left: 0.5rem;
    opacity: 0.5;
}

/* Panel expandible para detalles de áreas */
.areas-detail-panel {
    position: absolute;
    top: 100%;
    left: -150px;
    width: 300px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    z-index: 920;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
}

.areas-detail-panel.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.areas-detail-list {
    list-style: none;
    padding: 0.5rem 0;
    margin: 0;
    max-height: 300px;
    overflow-y: auto;
    text-align: center;
}

.area-detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--gray-100);
    z-index: 900;
}

.area-detail-item:last-child {
    border-bottom: none;
}

.area-name {
    font-weight: 500;
    color: var(--gray-700);
    font-size: 1rem;
}

.area-count {
    font-weight: 600;
    color: var(--primary-600);
    background: var(--primary-50);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.875rem;
}