/* ========================================
   ESTILOS COMPARTIDOS PARA MAPAS CONCEPTUALES
   Versión optimizada combinando mejores prácticas
   ======================================== */

/* Variables CSS para consistencia */
:root {
    --color-primary: #2c3e50;
    --color-primary-light: #34495e;
    --color-success: #27ae60;
    --color-info: #17a2b8;
    --color-warning: #e67e22;
    --color-light: #f8f9fa;
    --color-dark: #495057;
    --color-border: #dee2e6;
    --color-scroll: #6c757d;
    
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    --gradient-bg: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    
    --border-radius: 15px;
    --border-radius-small: 10px;
    --shadow-main: 0 10px 30px rgba(0,0,0,0.1);
    --shadow-small: 0 2px 8px rgba(0,0,0,0.05);
    
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --transition: all 0.3s ease;
}

/* Reset y base */
* {
    box-sizing: border-box;
}

body {
    background: var(--gradient-bg);
    min-height: 100vh;
    font-family: var(--font-family);
    margin: 0;
    padding: 0;
}

/* Contenedor principal */
.main-container {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-main);
    overflow: hidden;
    min-height: 85vh;
}

/* Header estandarizado */
.header {
    background: var(--gradient-primary);
    color: white;
    padding: 2rem 1rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: shimmer 4s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { transform: translateX(-100%); }
    50% { transform: translateX(100%); }
}

.header h1 {
    margin: 0;
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    position: relative;
    z-index: 1;
    line-height: 1.2;
}

.header p {
    margin: 0.5rem 0 0 0;
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

/* Contenido principal */
.content-section {
    padding: 2rem 1rem;
}

/* Contenedor del diagrama - OPTIMIZADO */
.mermaid-container {
    background: #fafafa;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-small);
    padding: 1.5rem 1rem;
    margin-bottom: 2rem;
    overflow-x: auto;
    overflow-y: hidden;
    white-space: nowrap;
    
    /* Scroll optimizado */
    scrollbar-width: thin;
    scrollbar-color: var(--color-scroll) var(--color-light);
    
    /* Navegación táctil */
    touch-action: pan-x;
    -webkit-overflow-scrolling: touch;
    
    /* Indicadores visuales */
    position: relative;
}

/* Scrollbar personalizada WebKit */
.mermaid-container::-webkit-scrollbar {
    height: 12px;
}

.mermaid-container::-webkit-scrollbar-track {
    background: var(--color-light);
    border-radius: 6px;
    margin: 0 10px;
}

.mermaid-container::-webkit-scrollbar-thumb {
    background: linear-gradient(90deg, var(--color-info), var(--color-primary));
    border-radius: 6px;
    border: 2px solid var(--color-light);
    transition: var(--transition);
}

.mermaid-container::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(90deg, #138496, #1a252f);
    transform: scale(1.05);
}

/* Diagrama Mermaid - ESTANDARIZADO */
.mermaid {
    font-family: var(--font-family) !important;
    min-width: 1000px; /* Ancho estándar optimizado */
    max-width: 1200px; /* Límite máximo */
    width: max-content;
    text-align: center;
    margin: 0 auto;
}

/* Nodos estandarizados - Cajas cuadradas con radio y border */
.mermaid .node text {
    font-family: var(--font-family) !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
    line-height: 1.3 !important;
}

.mermaid .node rect,
.mermaid .node polygon {
    stroke-width: 1px !important;
    rx: 8px !important;
    ry: 8px !important;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
    transition: var(--transition);
    border-radius: 8px !important;
}

.mermaid .node:hover rect,
.mermaid .node:hover polygon {
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
    transform: scale(1.02);
    stroke-width: 2px !important;
}

/* Forzar forma cuadrada para todos los nodos */
.mermaid .node rect {
    shape-rendering: geometricPrecision;
    stroke-linejoin: round;
    stroke-linecap: round;
}

/* Leyenda estandarizada */
.legend-container {
    background: var(--color-light);
    border-radius: var(--border-radius-small);
    padding: 1.5rem;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-small);
}

.legend-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.legend-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--color-dark);
}

.legend-circle {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    flex-shrink: 0;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

/* Tip container */
.tip-container {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border: 1px solid #64b5f6;
    border-radius: var(--border-radius-small);
    padding: 1.5rem;
    height: 100%;
    display: flex;
    align-items: center;
}

.tip-content {
    color: #1565c0;
    font-size: 0.9rem;
    line-height: 1.4;
    margin: 0;
}

.tip-title {
    color: #1565c0;
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Indicador de scroll horizontal - NUEVO */
.scroll-indicator {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(44, 62, 80, 0.9);
    color: white;
    padding: 8px 12px;
    border-radius: 20px;
    font-size: 12px;
    z-index: 100;
    animation: fadeInOut 5s ease-in-out;
    pointer-events: none;
}

@keyframes fadeInOut {
    0% { opacity: 0; transform: translateY(-10px); }
    20%, 80% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(-10px); }
}

/* RESPONSIVIDAD OPTIMIZADA */
@media (max-width: 1024px) {
    .mermaid {
        min-width: 900px;
        font-size: 13px;
    }
    
    .mermaid .node text {
        font-size: 13px !important;
    }
}

@media (max-width: 768px) {
    .content-section {
        padding: 1.5rem 0.75rem;
    }
    
    .mermaid-container {
        padding: 1rem 0.5rem;
        margin-left: -0.75rem;
        margin-right: -0.75rem;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
    
    .mermaid {
        min-width: 800px;
        font-size: 12px;
    }
    
    .mermaid .node text {
        font-size: 12px !important;
    }
    
    .legend-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 0.5rem;
    }
    
    .legend-item {
        font-size: 0.8rem;
    }
}

@media (max-width: 576px) {
    .header {
        padding: 1.5rem 0.75rem;
    }
    
    .content-section {
        padding: 1rem 0.5rem;
    }
    
    .mermaid {
        min-width: 700px;
        font-size: 11px;
    }
    
    .mermaid .node text {
        font-size: 11px !important;
    }
    
    .legend-grid {
        grid-template-columns: 1fr;
    }
    
    .tip-container {
        margin-top: 1rem;
    }
}

@media (max-width: 400px) {
    .mermaid {
        min-width: 600px;
        font-size: 10px;
    }
    
    .mermaid .node text {
        font-size: 10px !important;
    }
}

/* Clases de colores estandarizadas para Mermaid */
.color-central { background: var(--color-primary) !important; }
.color-fundamental { background: var(--color-success) !important; }
.color-specific { background: var(--color-info) !important; }
.color-warning { background: var(--color-warning) !important; }
.color-operations { background: #fff3cd; border-color: #856404 !important; }
.color-details { background: var(--color-light); border-color: var(--color-scroll) !important; }

/* Utilidades */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mt-4 { margin-top: 1.5rem; }
.d-flex { display: flex; }
.align-items-center { align-items: center; }
.gap-2 { gap: 0.5rem; }

/* Estados de carga */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-top: 2px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    transform: translate(-50%, -50%);
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Referencias y créditos */
.references-section {
    background: var(--color-light);
    border-top: 2px solid var(--color-border);
    padding: 2rem 1rem;
    margin-top: 3rem;
}

.references-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.reference-item {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--color-dark);
    margin-bottom: 1rem;
    text-align: justify;
    padding-left: 1rem;
    text-indent: -1rem;
}

.credits {
    font-size: 0.85rem;
    color: #666;
    font-style: italic;
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

/* Estilos para MathJax */
.MathJax {
    font-size: inherit !important;
}

.MathJax_Display {
    margin: 0.5rem 0 !important;
}

/* Responsive para referencias */
@media (max-width: 768px) {
    .references-section {
        padding: 1.5rem 0.75rem;
    }
    
    .reference-item {
        font-size: 0.8rem;
        padding-left: 0.5rem;
        text-indent: -0.5rem;
    }
    
    .credits {
        font-size: 0.8rem;
    }
}

/* Clases adicionales para módulos específicos */
.color-methods { background: var(--color-warning) !important; }
.color-criteria { background: #fff3cd; border-color: #856404 !important; }
.color-applications { background: #6f42c1; border-color: white !important; }

/* Estilos para leyenda expandidos */
.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    margin-right: 0.7rem;
    border: 2px solid #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

/* Contenedores específicos que algunos módulos usan */
.legend-section {
    background: var(--color-light);
    border-radius: var(--border-radius-small);
    padding: 1.5rem;
    border: 1px solid var(--color-border);
}

.diagram-container {
    background: #fafafa;
    border-radius: var(--border-radius-small);
    padding: 20px;
    margin-bottom: 25px;
    border: 2px solid var(--color-border);
    overflow-x: auto;
    overflow-y: hidden;
}

.main-container-horizontal {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-main);
    overflow: hidden;
    min-height: 85vh;
}

.content-section-horizontal {
    padding: 25px 20px;
}