/* Variables globales y Paleta de Colores de Lujo */
:root {
    --color-fondo: #0a0b10;
    --color-superficie: rgba(20, 21, 33, 0.6);
    --color-borde: rgba(255, 255, 255, 0.08);
    --color-texto: #e2e8f0;
    --color-texto-mutado: #94a3b8;
    
    /* Gradientes y Acentos */
    --gradiente-primario: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --gradiente-brillo: linear-gradient(90deg, #3b82f6, #8b5cf6, #ec4899);
    --color-exito: #10b981;
    --color-advertencia: #f59e0b;
    --color-error: #ef4444;
    
    --fuente-titulo: 'Outfit', sans-serif;
    --fuente-cuerpo: 'Plus Jakarta Sans', sans-serif;
    --sombra-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

/* Reset y Estilos Básicos */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-fondo);
    color: var(--color-texto);
    font-family: var(--fuente-cuerpo);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Optimización INP (Interaction to Next Paint) y respuesta táctil instantánea */
button, 
a, 
input, 
select, 
textarea, 
.btn-longitud, 
.chip-sugerencia, 
.btn-toggle-img, 
.btn-nav-api,
.btn-accion-pdf,
.btn-primario,
.btn-secundario {
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

/* Fondo Dinámico Ambient */
.lienzo-fondo {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(168, 85, 247, 0.15) 0%, transparent 40%);
    filter: blur(80px);
    pointer-events: none;
}

/* Barra de Navegación */
.barra-navegacion {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    border-bottom: 1px solid var(--color-borde);
    background: rgba(10, 11, 16, 0.5);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--fuente-titulo);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.icono-logo {
    color: #a855f7;
    width: 28px;
    height: 28px;
}

.logo span span {
    background: var(--gradiente-primario);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.acciones-nav {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.btn-nav-api {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-texto);
    border: 1px solid var(--color-borde);
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    cursor: pointer;
    transition: all 0.25s ease;
    font-family: var(--fuente-cuerpo);
}

.btn-nav-api:hover {
    background: rgba(168, 85, 247, 0.15);
    border-color: rgba(168, 85, 247, 0.5);
    color: #ffffff;
    box-shadow: 0 0 12px rgba(168, 85, 247, 0.25);
    transform: translateY(-1px);
}

.btn-nav-api svg,
.btn-nav-api i {
    width: 15px;
    height: 15px;
    color: #64ffda;
}

.badge {
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-borde);
}

.punto-pulso {
    width: 8px;
    height: 8px;
    background-color: var(--color-exito);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    animation: pulso 2s infinite;
}

@keyframes pulso {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

/* Contenedor Principal */
.contenedor-principal {
    flex: 1;
    width: 90%;
    max-width: 1200px;
    margin: 2.5rem auto;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

/* Efecto Glassmorphism */
.card-glass {
    background: var(--color-superficie);
    border: 1px solid var(--color-borde);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 24px;
    box-shadow: var(--sombra-glass);
    padding: 2.5rem;
}

/* Sección de Entrada */
.seccion-entrada h1 {
    font-family: var(--fuente-titulo);
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, #ffffff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitulo {
    color: var(--color-texto-mutado);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.formulario-investigacion {
    display: flex;
    gap: 1rem;
}

.input-contenedor {
    flex: 1;
    position: relative;
}

.icono-busqueda {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-texto-mutado);
    pointer-events: none;
}

.formulario-investigacion input {
    width: 100%;
    padding: 1.25rem 1.25rem 1.25rem 3.25rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-borde);
    border-radius: 16px;
    color: var(--color-texto);
    font-family: var(--fuente-cuerpo);
    font-size: 1.05rem;
    transition: all 0.3s ease;
}

.formulario-investigacion input:focus {
    outline: none;
    border-color: #a855f7;
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 15px rgba(168, 85, 247, 0.2);
}

/* Botones Segmentados de Longitud */
.selector-longitud-botones {
    display: flex;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-borde);
    border-radius: 16px;
    padding: 0.35rem;
    align-items: center;
    gap: 0.25rem;
}

.btn-longitud {
    background: transparent;
    border: none;
    color: var(--color-texto-mutado);
    padding: 0.85rem 1.25rem;
    border-radius: 12px;
    font-family: var(--fuente-cuerpo);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-longitud:hover {
    color: var(--color-texto);
    background: rgba(255, 255, 255, 0.05);
}

.btn-longitud.activo {
    background: rgba(168, 85, 247, 0.25);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(168, 85, 247, 0.2);
    border: 1px solid rgba(168, 85, 247, 0.4);
}

/* Botón Toggle de Imágenes */
.btn-toggle-img {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-borde);
    color: var(--color-texto-mutado);
    padding: 0.85rem 1.25rem;
    border-radius: 16px;
    font-family: var(--fuente-cuerpo);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-toggle-img:hover {
    color: var(--color-texto);
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-toggle-img.activo {
    background: rgba(100, 255, 218, 0.12);
    border-color: rgba(100, 255, 218, 0.4);
    color: #64ffda;
    box-shadow: 0 4px 12px rgba(100, 255, 218, 0.15);
}

.btn-toggle-img svg {
    width: 18px;
    height: 18px;
    transition: transform 0.2s ease;
}

.btn-toggle-img.activo svg {
    transform: scale(1.1);
}

/* Sugerencias Rápidas (Chips) */
.sugerencias-rapidas {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem; /* Espaciado entre elementos */
    margin-top: 1.25rem; /* Margen superior respecto al campo de entrada */
    padding-left: 0.25rem;
}

.chip-sugerencia {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: var(--color-texto);
    padding: 0.55rem 1.2rem;
    border-radius: 9999px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.chip-sugerencia:hover {
    background: rgba(168, 85, 247, 0.15);
    border-color: rgba(168, 85, 247, 0.6);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(168, 85, 247, 0.15);
}

.chip-sugerencia .icono-neon {
    color: #38bdf8; /* Cyan neon brillante */
    margin-right: 0.5rem;
    width: 18px;
    height: 18px;
    filter: drop-shadow(0 0 6px rgba(56, 189, 248, 0.7));
    transition: all 0.3s ease;
}

.chip-sugerencia:hover .icono-neon {
    color: #a855f7; /* Cambia a púrpura neon al hacer hover */
    filter: drop-shadow(0 0 8px rgba(168, 85, 247, 0.9));
    transform: scale(1.15);
}

/* Botones Premium */
.btn-primario, .btn-secundario {
    font-family: var(--fuente-cuerpo);
    font-weight: 600;
    padding: 1.1rem 2rem;
    border-radius: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1rem;
}

.btn-primario {
    background: var(--gradiente-primario);
    border: none;
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primario:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
    filter: brightness(1.1);
}

.btn-secundario {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-borde);
    color: var(--color-texto);
}

.btn-secundario:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-texto-mutado);
}

/* Tablero de Orquestación y Grafo Visual */
.tablero-orquestacion {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.titulo-seccion {
    font-family: var(--fuente-titulo);
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.grafo-visual {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2.5rem;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.nodo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-borde);
    transition: all 0.5s ease;
    flex: 1;
    min-width: 140px;
}

.icono-nodo {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-borde);
    transition: all 0.5s ease;
}

.nombre-nodo {
    font-weight: 600;
    font-size: 0.95rem;
}

.flecha-conector {
    color: var(--color-borde);
    display: flex;
    align-items: center;
}

/* Estados de los Nodos del Grafo */
.nodo.activo {
    border-color: #a855f7;
    background: rgba(168, 85, 247, 0.08);
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.2);
    transform: scale(1.05);
}

.nodo.activo .icono-nodo {
    background: var(--gradiente-primario);
    color: #ffffff;
    border-color: transparent;
    animation: nodopulso 1.5s infinite alternate;
}

.nodo.completado {
    border-color: var(--color-exito);
    background: rgba(16, 185, 129, 0.08);
}

.nodo.completado .icono-nodo {
    background: var(--color-exito);
    color: #ffffff;
    border-color: transparent;
}

@keyframes nodopulso {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}

/* Terminal de Logs */
.terminal-logs {
    padding: 0;
    overflow: hidden;
    border-radius: 16px;
}

.terminal-cabecera {
    background: rgba(10, 11, 16, 0.8);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--color-borde);
}

.botones-terminal {
    display: flex;
    gap: 6px;
}

.botones-terminal span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.botones-terminal span:nth-child(1) { background-color: var(--color-error); }
.botones-terminal span:nth-child(2) { background-color: var(--color-advertencia); }
.botones-terminal span:nth-child(3) { background-color: var(--color-exito); }

.terminal-titulo {
    font-family: var(--fuente-titulo);
    font-size: 0.9rem;
    color: var(--color-texto-mutado);
}

.terminal-cuerpo {
    background: #07080c;
    padding: 1.5rem;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.95rem;
    height: 250px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.log-linea {
    line-height: 1.5;
    animation: fadeIn 0.3s ease forwards;
}

.log-linea.sistema { color: var(--color-texto-mutado); }
.log-linea.agente { color: #a855f7; font-weight: bold; }
.log-linea.salida { color: #3b82f6; padding-left: 1.5rem; }
.log-linea.exito { color: var(--color-exito); }
.log-linea.error { color: var(--color-error); }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Reporte Renderizado */
.seccion-reporte {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.reporte-cabecera {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.reporte-acciones {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-accion-pdf {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.2) 0%, rgba(220, 38, 38, 0.35) 100%);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #fca5a5;
    padding: 0.85rem 1.5rem;
    border-radius: 14px;
    font-family: var(--fuente-cuerpo);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-accion-pdf:hover {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.35) 0%, rgba(220, 38, 38, 0.5) 100%);
    border-color: rgba(239, 68, 68, 0.7);
    color: #ffffff;
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.3);
    transform: translateY(-2px);
}

.reporte-contenedor {
    padding: 3rem;
}

/* Estilos de Markdown inyectados */
.markdown-body h1, .markdown-body h2, .markdown-body h3 {
    font-family: var(--fuente-titulo);
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    color: #ffffff;
}

.markdown-body h1 {
    font-size: 2.25rem;
    border-bottom: 2px solid var(--color-borde);
    padding-bottom: 0.5rem;
}

.markdown-body h2 {
    font-size: 1.75rem;
    border-bottom: 1px solid var(--color-borde);
    padding-bottom: 0.25rem;
}

.markdown-body p {
    margin-bottom: 1.25rem;
    line-height: 1.7;
    color: #cbd5e1;
}

.markdown-body ul, .markdown-body ol {
    margin-bottom: 1.25rem;
    padding-left: 2rem;
    color: #cbd5e1;
}

.markdown-body li {
    margin-bottom: 0.5rem;
}

/* Imágenes dentro del reporte */
.markdown-body img {
    max-width: 100%;
    width: auto;
    max-height: 460px;
    height: auto;
    border-radius: 14px;
    margin: 1.5rem auto 0.5rem auto;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    display: block;
    object-fit: contain;
    background: rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.markdown-body img:hover {
    transform: scale(1.01);
}

.markdown-body p > em:only-child,
.markdown-body em {
    display: block;
    font-size: 0.88rem;
    color: var(--color-texto-mutado);
    margin-top: -0.25rem;
    margin-bottom: 1.25rem;
    text-align: center;
}

.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
}

.markdown-body th, .markdown-body td {
    border: 1px solid var(--color-borde);
    padding: 0.75rem 1rem;
    text-align: left;
}

.markdown-body th {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Modales */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal.abierto {
    opacity: 1;
    pointer-events: auto;
}

.modal-contenido {
    width: 90%;
    max-width: 500px;
    position: relative;
    padding: 2rem;
}

.modal-cabecera {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.btn-cerrar {
    background: none;
    border: none;
    color: var(--color-texto-mutado);
    font-size: 1.75rem;
    cursor: pointer;
}

.campo-grupo {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.campo-grupo label {
    font-weight: 600;
    font-size: 0.9rem;
}

.campo-grupo input {
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-borde);
    border-radius: 8px;
    color: var(--color-texto);
}

/* Pie de página */
.pie-pagina {
    text-align: center;
    padding: 2rem;
    color: var(--color-texto-mutado);
    font-size: 0.9rem;
    border-top: 1px solid var(--color-borde);
    background: rgba(10, 11, 16, 0.4);
    backdrop-filter: blur(10px);
}

/* Animación de Carga (Typing / Bouncing dots) */
.log-cargando {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #38bdf8;
    font-size: 0.95rem;
    margin-top: 0.5rem;
    font-family: var(--fuente-cuerpo);
}

.log-cargando .dots {
    display: flex;
    gap: 4px;
}

.log-cargando .dots span {
    width: 6px;
    height: 6px;
    background-color: #38bdf8;
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out both;
}

.log-cargando .dots span:nth-child(1) { animation-delay: -0.32s; }
.log-cargando .dots span:nth-child(2) { animation-delay: -0.16s; }
.log-cargando .dots span:nth-child(3) { animation-delay: 0s; }

@keyframes bounce {
    0%, 80%, 100% { transform: scale(0); opacity: 0.3; }
    40% { transform: scale(1); opacity: 1; box-shadow: 0 0 8px rgba(56,189,248,0.8); }
}

/* Estilos Específicos para Modal de Tutorial */
.modal-tutorial {
    max-width: 600px;
}

.modal-tutorial p {
    color: var(--color-texto-mutado);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.tutorial-pasos {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    margin-bottom: 1.5rem;
}

.paso {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.03);
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid var(--color-borde);
}

.icono-paso {
    background: rgba(168, 85, 247, 0.2);
    color: #a855f7;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.texto-paso h4 {
    font-size: 1rem;
    margin-bottom: 0.2rem;
    color: var(--color-texto);
}

.texto-paso p {
    margin-bottom: 0;
    font-size: 0.85rem;
}

.demo-visual {
    margin-bottom: 1.5rem;
    width: 100%;
}

.placeholder-imagen {
    width: 100%;
    height: 160px;
    background: rgba(0, 0, 0, 0.3);
    border: 2px dashed rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-texto-mutado);
    gap: 0.5rem;
}

.icono-placeholder {
    width: 32px;
    height: 32px;
    opacity: 0.5;
}

.btn-ancho-completo {
    width: 100%;
}

/* Pie de Página */
.pie-pagina {
    text-align: center;
    padding: 2.5rem 1rem;
    color: var(--color-texto-mutado);
    font-size: 0.9rem;
    border-top: 1px solid var(--color-borde);
    margin-top: 3rem;
}

.pie-pagina .link-autor {
    color: var(--color-primario);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    transition: all 0.2s ease;
    vertical-align: middle;
}

.pie-pagina .link-autor:hover {
    color: #c084fc;
    text-decoration: underline;
}

.pie-pagina .link-autor svg {
    width: 16px;
    height: 16px;
}

/* Estilos Dedicados para Exportación de PDF */
.documento-pdf-imprimible {
    width: 100% !important;
    max-width: 100% !important;
    background-color: #ffffff !important;
    color: #1e293b !important;
    font-family: 'Plus Jakarta Sans', Arial, Helvetica, sans-serif !important;
    padding: 0 !important;
    box-sizing: border-box !important;
    line-height: 1.55 !important;
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
}

.documento-pdf-imprimible .cabecera-pdf {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid #6366f1;
    padding-bottom: 12px;
    margin-bottom: 18px;
    page-break-after: avoid !important;
    break-after: avoid !important;
    page-break-inside: avoid !important;
    break-inside: avoid !important;
}

.documento-pdf-imprimible .logo-pdf {
    font-size: 16pt;
    font-weight: 800;
    color: #0f172a;
}

.documento-pdf-imprimible .logo-pdf span {
    color: #6366f1;
}

.documento-pdf-imprimible .meta-pdf {
    font-size: 8.5pt;
    color: #64748b;
    text-align: right;
    line-height: 1.4;
}

.documento-pdf-imprimible h1 {
    font-size: 16.5pt !important;
    color: #0f172a !important;
    margin: 10px 0 12px 0 !important;
    line-height: 1.25 !important;
    font-weight: 800 !important;
    page-break-after: avoid !important;
    break-after: avoid !important;
    page-break-inside: avoid !important;
    break-inside: avoid !important;
    border: none !important;
    padding: 0 !important;
}

.documento-pdf-imprimible h2 {
    font-size: 12pt !important;
    color: #1e293b !important;
    margin: 16px 0 8px 0 !important;
    font-weight: 700 !important;
    border-bottom: 1.5px solid #e2e8f0 !important;
    padding-bottom: 4px !important;
    page-break-after: avoid !important;
    break-after: avoid !important;
    page-break-inside: avoid !important;
    break-inside: avoid !important;
}

.documento-pdf-imprimible h3 {
    font-size: 10.5pt !important;
    color: #334155 !important;
    margin: 14px 0 6px 0 !important;
    font-weight: 600 !important;
    page-break-after: avoid !important;
    break-after: avoid !important;
    page-break-inside: avoid !important;
    break-inside: avoid !important;
}

.documento-pdf-imprimible p {
    font-size: 9.5pt !important;
    color: #334155 !important;
    line-height: 1.55 !important;
    margin-bottom: 10px !important;
    text-align: left !important;
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
}

.documento-pdf-imprimible ul, 
.documento-pdf-imprimible ol {
    padding-left: 20px !important;
    margin-bottom: 10px !important;
}

.documento-pdf-imprimible li {
    font-size: 9.5pt !important;
    color: #334155 !important;
    line-height: 1.55 !important;
    margin-bottom: 5px !important;
}

.documento-pdf-imprimible strong {
    color: #0f172a !important;
    font-weight: 700 !important;
}

.documento-pdf-imprimible blockquote {
    background: #f8fafc !important;
    border-left: 3.5px solid #6366f1 !important;
    padding: 8px 14px !important;
    margin: 10px 0 !important;
    font-size: 9pt !important;
    color: #475569 !important;
    border-radius: 0 6px 6px 0 !important;
    page-break-inside: avoid !important;
    break-inside: avoid !important;
}

.documento-pdf-imprimible img {
    max-height: 210px !important;
    width: 100% !important;
    object-fit: cover !important;
    border-radius: 8px !important;
    margin: 10px 0 4px 0 !important;
    display: block !important;
    box-shadow: none !important;
    border: 1px solid #e2e8f0 !important;
    page-break-inside: avoid !important;
    break-inside: avoid !important;
}

.documento-pdf-imprimible em {
    font-size: 8pt !important;
    color: #64748b !important;
    margin-bottom: 12px !important;
    display: block !important;
    text-align: center !important;
    font-style: italic !important;
    page-break-before: avoid !important;
    break-before: avoid !important;
}

.documento-pdf-imprimible a {
    color: #4f46e5 !important;
    text-decoration: underline !important;
    word-break: break-all !important;
}

.documento-pdf-imprimible .pie-pdf {
    margin-top: 20px;
    padding-top: 10px;
    border-top: 1px solid #e2e8f0;
    font-size: 8pt;
    color: #94a3b8;
    text-align: center;
    break-inside: avoid;
}

/* Tour Guiado Estilos */
.tour-overlay {
    position: fixed;
    background: transparent;
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.8);
    z-index: 2000;
    transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
    border-radius: 12px;
    /* pointer-events en auto permite que al hacer clic se cierre el tour */
}

.tour-highlight {
    /* Ya no dependemos de z-index para que resalte sobre el fondo oscuro,
       pues el fondo oscuro es literalmente un hueco alrededor de este elemento.
       Añadiremos un borde/brillo opcional. */
    position: relative;
    box-shadow: 0 0 0 4px rgba(168, 85, 247, 0.5), 0 0 20px rgba(168, 85, 247, 0.8) !important;
    transition: box-shadow 0.3s ease;
    pointer-events: none; /* Evitar clics accidentales durante el tour */
}

/* Excepción para inputs o botones que puedan necesitar fondo sólido en highlight */
input.tour-highlight {
    background-color: rgba(20, 21, 33, 0.9) !important;
}

.tour-tooltip {
    position: fixed;
    z-index: 2002;
    width: 320px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: top 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), left 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.3s ease, transform 0.3s ease;
    opacity: 0;
    transform: translateY(10px) scale(0.95);
    pointer-events: none; /* Mientras está invisible */
}

.tour-tooltip.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.tour-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tour-paso-badge {
    background: var(--gradiente-primario);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
}

.btn-cerrar-tour {
    background: none;
    border: none;
    color: var(--color-texto-mutado);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease;
}

.btn-cerrar-tour:hover {
    color: white;
}

.btn-cerrar-tour svg {
    width: 18px;
    height: 18px;
}

.tour-tooltip h4 {
    font-size: 1.1rem;
    margin: 0;
    color: var(--color-texto);
    font-family: var(--fuente-titulo);
}

.tour-tooltip p {
    font-size: 0.9rem;
    color: var(--color-texto-mutado);
    margin: 0;
    line-height: 1.5;
}

.tour-acciones {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.tour-btn-peq {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    border-radius: 8px;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.spin {
    animation: spin 1s linear infinite;
    display: inline-block;
}

/* =========================================================
   DISEÑO RESPONSIVO Y COMPATIBILIDAD CON DISPOSITIVOS MÓVILES
   ========================================================= */

@media (max-width: 1024px) {
    .contenedor-principal {
        width: 94%;
        margin: 1.75rem auto;
        gap: 2rem;
    }
    
    .card-glass {
        padding: 2rem 1.5rem;
    }
    
    .grafo-visual {
        gap: 0.5rem;
        padding: 1.5rem 1rem;
    }
}

@media (max-width: 768px) {
    /* Barra de Navegación */
    .barra-navegacion {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem 4%;
        align-items: stretch;
    }

    .logo {
        justify-content: center;
        font-size: 1.35rem;
    }

    .acciones-nav {
        justify-content: center;
        flex-wrap: wrap;
        width: 100%;
        gap: 0.5rem;
    }

    .btn-nav-api {
        min-height: 44px;
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }

    .badge {
        font-size: 0.78rem;
        padding: 0.45rem 0.85rem;
        text-align: center;
    }

    /* Contenedor Principal */
    .contenedor-principal {
        width: 95%;
        margin: 1.25rem auto;
        gap: 1.5rem;
    }

    .card-glass {
        padding: 1.5rem 1rem;
        border-radius: 18px;
    }

    /* Sección de Entrada */
    .seccion-entrada h1 {
        font-size: 1.75rem;
        line-height: 1.25;
        text-align: center;
    }

    .subtitulo {
        font-size: 0.95rem;
        text-align: center;
        margin-bottom: 1.5rem;
    }

    /* Formulario en Columna para Pantallas Móviles */
    .formulario-investigacion {
        flex-direction: column;
        gap: 0.85rem;
        width: 100%;
    }

    .input-contenedor {
        width: 100%;
    }

    .formulario-investigacion input {
        font-size: 1rem; /* Mínimo 16px para evitar auto-zoom en iOS Safari */
        padding: 0.95rem 1rem 0.95rem 2.85rem;
        min-height: 48px;
    }

    .selector-longitud-botones {
        width: 100%;
        justify-content: space-between;
        padding: 0.3rem;
    }

    .btn-longitud {
        flex: 1;
        text-align: center;
        padding: 0.75rem 0.35rem;
        font-size: 0.88rem;
        min-height: 44px; /* Touch target estándar */
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .btn-toggle-img {
        width: 100%;
        justify-content: center;
        min-height: 48px;
        font-size: 0.95rem;
    }

    .btn-primario {
        width: 100%;
        justify-content: center;
        min-height: 50px;
        font-size: 1rem;
    }

    /* Sugerencias Rápidas */
    .sugerencias-rapidas {
        justify-content: center;
        gap: 0.5rem;
        margin-top: 1rem;
    }

    .chip-sugerencia {
        font-size: 0.82rem;
        padding: 0.6rem 0.85rem;
        min-height: 40px;
        display: inline-flex;
        align-items: center;
    }

    /* Grafo Visual adaptado a vertical en móvil */
    .grafo-visual {
        flex-direction: column;
        align-items: center;
        gap: 0.6rem;
        padding: 1.25rem 0.75rem;
    }

    .nodo {
        width: 100%;
        max-width: 260px;
        justify-content: center;
        padding: 0.75rem 1rem;
    }

    .flecha-conector {
        transform: rotate(90deg);
        margin: 0.15rem 0;
    }

    /* Terminal de logs */
    .terminal-cuerpo {
        height: 200px;
        padding: 1rem;
        font-size: 0.85rem;
    }

    /* Reporte y Acciones */
    .reporte-cabecera {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
        text-align: center;
    }

    .reporte-cabecera h2 {
        font-size: 1.35rem;
        justify-content: center;
    }

    .reporte-acciones {
        flex-direction: column;
        width: 100%;
        gap: 0.65rem;
    }

    .reporte-acciones button {
        width: 100%;
        justify-content: center;
        min-height: 46px;
    }

    .markdown-body {
        font-size: 0.95rem;
        padding: 1.25rem 1rem;
    }

    /* Modales en Móvil */
    .modal {
        padding: 0.75rem;
    }

    .modal-contenido {
        width: 100%;
        max-width: 100%;
        padding: 1.5rem 1.15rem;
        border-radius: 18px;
        max-height: 90vh;
        overflow-y: auto;
    }

    .modal-cabecera h3 {
        font-size: 1.15rem;
    }

    .campo-grupo input {
        font-size: 1rem;
        min-height: 46px;
    }

    /* Tour Guiado */
    .tour-tooltip {
        width: 92vw;
        max-width: 320px;
        padding: 1.25rem 1rem;
    }

    .pie-pagina {
        padding: 1.5rem 1rem;
        font-size: 0.85rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .seccion-entrada h1 {
        font-size: 1.5rem;
    }
    
    .logo span {
        font-size: 1.2rem;
    }
    
    .btn-longitud {
        font-size: 0.82rem;
        padding: 0.65rem 0.2rem;
    }
}