/* ================================================================
   06-GRAFICOS-CHARTS.css - VISUALIZACIONES GRIZALUM
   Todo lo relacionado con gráficos, charts y visualizaciones
   ================================================================ */

/* ===== SECCIÓN PRINCIPAL DE GRÁFICOS ===== */
.charts-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    width: 100%;
    margin-top: var(--spacing-lg);
}

/* ===== TARJETA BASE DE GRÁFICO ===== */
.chart-card {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.95) 0%, 
        rgba(255, 255, 255, 0.85) 100%);
    backdrop-filter: var(--backdrop-blur);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--glass-border);
    min-height: 280px;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: all var(--transition-normal);
    position: relative;
    will-change: transform;
    contain: layout style paint;
}

/* Efecto de brillo sutil */
.chart-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(212, 175, 55, 0.1), 
        transparent);
    transition: left 0.8s ease;
    pointer-events: none;
}

.chart-card:hover::after {
    left: 100%;
}

/* ===== EFECTOS HOVER PREMIUM ===== */
.chart-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2xl);
    border-color: rgba(212, 175, 55, 0.3);
}

/* ===== GRÁFICO PRINCIPAL (FLUJO DE CAJA) ===== */
.chart-card.main-chart {
    grid-column: 1 / -1;
    min-height: 320px;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.98) 0%, 
        rgba(255, 255, 255, 0.9) 100%);
    border: 2px solid var(--glass-border);
    position: relative;
}

.chart-card.main-chart::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--gradient-gold);
    border-radius: 16px 16px 0 0;
}

/* ===== HEADER DEL GRÁFICO ===== */
.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--gray-100);
    position: relative;
}

.chart-header::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--gradient-gold);
    border-radius: 1px;
}

.chart-title {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
}

.chart-title::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--gradient-gold);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
}

/* ===== FILTROS DEL GRÁFICO ===== */
.chart-filters {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

.filter-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--gray-200);
    background: white;
    border-radius: 8px;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    min-width: 50px;
    text-align: center;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-gold);
    transition: left 0.3s ease;
    z-index: -1;
}

.filter-btn:hover {
    color: white;
    border-color: var(--peru-gold);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.filter-btn:hover::before {
    left: 0;
}

.filter-btn.active {
    background: var(--gradient-gold);
    color: white;
    border-color: var(--peru-gold);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.filter-btn.active::before {
    left: 0;
}

/* ===== CONTENEDOR DEL GRÁFICO ===== */
.chart-container {
    flex: 1;
    position: relative;
    min-height: 180px;
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    overflow: hidden;
}

.chart-container canvas {
    max-height: 100% !important;
    width: 100% !important;
    border-radius: 8px;
}

/* ===== ESTILOS ESPECÍFICOS PARA CHART.JS ===== */

/* Contenedor principal del canvas */
.chart-canvas-container {
    position: relative;
    height: 100%;
    width: 100%;
}

/* Overlay para efectos especiales */
.chart-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    background: linear-gradient(45deg, 
        transparent 0%, 
        rgba(212, 175, 55, 0.02) 25%, 
        transparent 50%);
    border-radius: 8px;
}

/* ===== LEYENDA PERSONALIZADA ===== */
.chart-legend {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: 8px;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--text-sm);
    color: var(--gray-700);
    font-weight: 500;
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 4px;
    box-shadow: var(--shadow-sm);
}

.legend-color.revenue { background: var(--gradient-primary); }
.legend-color.expenses { background: var(--gradient-warning); }
.legend-color.profit { background: var(--gradient-success); }
.legend-color.growth { background: var(--gradient-purple); }

/* ===== TOOLTIP PERSONALIZADO ===== */
.chart-tooltip {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    color: white;
    padding: var(--spacing-md);
    border-radius: 8px;
    font-size: var(--text-sm);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(212, 175, 55, 0.3);
    position: absolute;
    z-index: 1000;
    pointer-events: none;
    transition: all 0.2s ease;
}

.chart-tooltip::before {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid rgba(15, 23, 42, 0.95);
}

/* ===== INDICADORES DE ESTADO ===== */
.chart-status {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--text-xs);
    color: var(--gray-500);
    background: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 6px;
    backdrop-filter: blur(10px);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10b981;
    animation: pulse 2s infinite;
}

.status-dot.updating {
    background: #f59e0b;
}

.status-dot.error {
    background: #ef4444;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.1); }
}

/* ===== GRÁFICOS ESPECÍFICOS ===== */

/* Gráfico de distribución de gastos (donut) */
.chart-card.expenses-chart .chart-container {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Gráfico de barras comparativo */
.chart-card.comparison-chart .chart-container {
    background: linear-gradient(135deg, 
        rgba(212, 175, 55, 0.05) 0%, 
        rgba(212, 175, 55, 0.02) 100%);
}

/* Gráfico de líneas de tendencia */
.chart-card.trend-chart .chart-container {
    background: linear-gradient(135deg, 
        rgba(16, 185, 129, 0.05) 0%, 
        rgba(16, 185, 129, 0.02) 100%);
}

/* ===== ANIMACIONES DE CARGA ===== */
.chart-card {
    animation: slideInChart 0.8s var(--transition-normal) both;
}

.chart-card:nth-child(1) { animation-delay: 0.5s; }
.chart-card:nth-child(2) { animation-delay: 0.6s; }
.chart-card:nth-child(3) { animation-delay: 0.7s; }
.chart-card:nth-child(4) { animation-delay: 0.8s; }
.chart-card:nth-child(5) { animation-delay: 0.9s; }

@keyframes slideInChart {
    from {
        opacity: 0;
        transform: translateX(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

/* ===== ESTADO DE CARGA ===== */
.chart-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    background: var(--glass-effect);
    border-radius: 12px;
    backdrop-filter: var(--backdrop-blur);
}

.chart-loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top: 4px solid var(--peru-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

.chart-loading-text {
    font-size: var(--text-sm);
    color: var(--gray-600);
    font-weight: 500;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== CONTROLES AVANZADOS ===== */
.chart-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--gray-50);
    border-radius: 8px;
    gap: var(--spacing-md);
}

.chart-zoom-controls {
    display: flex;
    gap: var(--spacing-xs);
}

.zoom-btn {
    width: 32px;
    height: 32px;
    border: 1px solid var(--gray-300);
    background: white;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: var(--text-sm);
    color: var(--gray-600);
    transition: all var(--transition-normal);
}

.zoom-btn:hover {
    background: var(--peru-gold);
    color: white;
    border-color: var(--peru-gold);
    transform: scale(1.1);
}

/* ===== RESPONSIVE TABLET ===== */
@media (max-width: 1200px) {
    .charts-section {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: var(--spacing-lg);
    }
    
    .chart-card.main-chart {
        min-height: 400px;
    }
    
    .chart-card {
        min-height: 320px;
        padding: var(--spacing-lg);
    }
}

@media (max-width: 991px) {
    .charts-section {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .chart-card.main-chart {
        grid-column: 1;
        min-height: 350px;
    }
    
    .chart-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .chart-filters {
        order: 2;
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .chart-title {
        order: 1;
    }
}

/* ===== RESPONSIVE MÓVIL ===== */
@media (max-width: 768px) {
    .charts-section {
        gap: var(--spacing-md);
    }
    
    .chart-card {
        min-height: 300px;
        padding: var(--spacing-md);
        border-radius: 12px;
    }
    
    .chart-card.main-chart {
        min-height: 320px;
    }
    
    .chart-title {
        font-size: var(--text-base);
    }
    
    .chart-container {
        min-height: 200px;
        padding: var(--spacing-xs);
    }
    
    .chart-legend {
        gap: var(--spacing-md);
        padding: var(--spacing-sm);
    }
    
    .legend-item {
        font-size: var(--text-xs);
    }
    
    .legend-color {
        width: 12px;
        height: 12px;
    }
    
    .filter-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--text-xs);
        min-width: 40px;
    }
}

/* ===== MÓVIL PEQUEÑO ===== */
@media (max-width: 575px) {
    .chart-card {
        min-height: 250px;
        padding: var(--spacing-sm);
    }
    
    .chart-card.main-chart {
        min-height: 280px;
    }
    
    .chart-header {
        margin-bottom: var(--spacing-md);
        padding-bottom: var(--spacing-sm);
    }
    
    .chart-title {
        font-size: var(--text-sm);
    }
    
    .chart-container {
        min-height: 180px;
    }
    
    .chart-controls {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .chart-zoom-controls {
        width: 100%;
        justify-content: center;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .chart-card {
        break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid var(--gray-300) !important;
        background: white !important;
        backdrop-filter: none !important;
    }
    
    .chart-filters,
    .chart-controls,
    .chart-zoom-controls {
        display: none !important;
    }
    
    .charts-section {
        gap: 20px !important;
    }
    
    .chart-card.main-chart {
        grid-column: auto !important;
    }
}

/* ===== ACCESIBILIDAD ===== */
.chart-card:focus {
    outline: 2px solid var(--peru-gold);
    outline-offset: 2px;
}

.filter-btn:focus,
.zoom-btn:focus {
    outline: 2px solid var(--peru-gold);
    outline-offset: 2px;
}

/* ===== HIGH CONTRAST MODE ===== */
@media (prefers-contrast: high) {
    .chart-card {
        background: white;
        border: 2px solid black;
    }
    
    .chart-title {
        color: black;
    }
    
    .filter-btn {
        background: white;
        border: 2px solid black;
        color: black;
    }
    
    .filter-btn.active {
        background: black;
        color: white;
    }
}

/* ===== REDUCIR MOVIMIENTO ===== */
@media (prefers-reduced-motion: reduce) {
    .chart-card,
    .chart-card *,
    .filter-btn,
    .zoom-btn {
        animation: none !important;
        transition: none !important;
        transform: none !important;
    }
    
    .chart-card:hover {
        transform: none !important;
    }
    
    .status-dot {
        animation: none !important;
    }
}

/* ===== UTILIDADES ESPECÍFICAS ===== */

/* Ocultar elementos específicos de Chart.js */
.chartjs-render-monitor {
    border-radius: 8px !important;
}

/* Forzar visibilidad de canvas */
.chart-container canvas {
    display: block !important;
    max-width: 100% !important;
    height: auto !important;
}

/* Grid forzado */
.charts-section {
    display: grid !important;
    width: 100% !important;
}

/* Prevenir overflow en títulos largos */
.chart-title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 70%;
}

/* Mejorar renderizado de texto */
.chart-card {
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}