/* Estilos personalizados para el Asistente de Preguntas */
/* Versión optimizada para aprovechamiento del ancho del navegador */

/* Variables CSS */
:root {
    --primary-color: #2563eb;
    --secondary-color: #7c3aed;
    --success-color: #059669;
    --teal-color: #0d9488;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --container-padding: 2rem;
}

/* Contenedor principal con ancho adaptativo */
.container {
    width: 100%;
    margin: 0 auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

/* Tablets */
@media (min-width: 768px) {
    .container {
        max-width: 95%;
    }
}

/* Escritorio pequeño */
@media (min-width: 1024px) {
    .container {
        max-width: 1400px;
    }
}

/* Escritorio mediano */
@media (min-width: 1440px) {
    .container {
        max-width: 1600px;
    }
}

/* Escritorio grande */
@media (min-width: 1920px) {
    .container {
        max-width: 1800px;
    }
}

/* Pantallas ultra anchas */
@media (min-width: 2560px) {
    .container {
        max-width: 2200px;
    }
}

/* Estilos de sombra personalizados */
.card-shadow {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 
                0 2px 4px -1px rgba(0, 0, 0, 0.06),
                0 0 0 1px rgba(0, 0, 0, 0.05);
    transition: box-shadow 0.3s ease;
}

.card-shadow:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 
                0 4px 6px -2px rgba(0, 0, 0, 0.05),
                0 0 0 1px rgba(0, 0, 0, 0.05);
}

/* Gradientes */
.gradient-bg {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

/* Botón principal */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
    transition: all 0.3s ease;
    transform: translateY(0);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #1d4ed8 0%, #6d28d9 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(37, 99, 235, 0.4);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-primary:disabled {
    background: linear-gradient(135deg, var(--gray-400) 0%, var(--gray-300) 100%);
    opacity: 0.7;
}

/* Spinner de carga */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Animación de pulso para la barra de carga */
.loading-pulse {
    animation: loading-pulse 2s ease-in-out infinite;
}

@keyframes loading-pulse {
    0%, 100% {
        width: 30%;
    }
    50% {
        width: 70%;
    }
}

/* Estilos para el contenido de respuesta */
.prose {
    color: var(--gray-700);
    line-height: 1.7;
    max-width: 100%;
}

.prose h1,
.prose h2,
.prose h3,
.prose h4,
.prose h5,
.prose h6 {
    color: var(--gray-700);
    font-weight: 600;
    margin-top: 1.5em;
    margin-bottom: 0.5em;
}

.prose h1 {
    font-size: 1.5em;
}

.prose h2 {
    font-size: 1.3em;
}

.prose h3 {
    font-size: 1.1em;
}

.prose p {
    margin-bottom: 1em;
}

.prose ul,
.prose ol {
    margin-bottom: 1em;
    padding-left: 1.5em;
}

.prose li {
    margin-bottom: 0.5em;
}

.prose strong {
    font-weight: 600;
    color: var(--gray-700);
}

.prose em {
    font-style: italic;
    color: var(--gray-600);
}

.prose blockquote {
    border-left: 4px solid var(--primary-color);
    margin: 1.5em 0;
    padding-left: 1em;
    color: var(--gray-600);
    font-style: italic;
}

.prose code {
    background-color: var(--gray-100);
    padding: 0.2em 0.4em;
    border-radius: 3px;
    font-size: 0.9em;
    color: var(--gray-700);
}

.prose pre {
    background-color: var(--gray-100);
    padding: 1em;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1em 0;
}

.prose pre code {
    background-color: transparent;
    padding: 0;
}

.prose span {
    color: #0284c7;
    background: #e0f2fe;
    font-weight: 500;
    border-radius: 0.2em;
    padding: 0 0.2em;
}

/* Grid adaptativo para contenido en columnas */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    width: 100%;
}

/* Grid de 2 columnas para pantallas grandes */
.two-column-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .two-column-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Grid de 3 columnas para pantallas muy grandes */
.three-column-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .three-column-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1280px) {
    .three-column-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Estilos para referencias */
.reference-item {
    display: block;
    padding: 12px 16px;
    background-color: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    text-decoration: none;
    color: var(--gray-700);
    transition: all 0.2s ease;
}

.reference-item:hover {
    background-color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.reference-item .reference-title {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 4px;
    display: block;
}

.reference-item .reference-url {
    font-size: 0.875rem;
    color: var(--gray-600);
    word-break: break-all;
}

/* Lista de referencias en grid */
.references-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 768px) {
    .references-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1280px) {
    .references-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Animaciones de entrada */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.fade-in {
    animation: fadeIn 0.4s ease-out;
}

/* Estilos responsive mejorados */
@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }
    
    .card-shadow {
        margin-bottom: 1rem;
    }
    
    .prose {
        font-size: 0.95rem;
    }
    
    .reference-item {
        padding: 10px 12px;
    }
    
    .reference-item .reference-title {
        font-size: 0.9rem;
    }
    
    .reference-item .reference-url {
        font-size: 0.8rem;
    }
}

/* Estilos para focus mejorado */
textarea:focus,
select:focus,
button:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.focus-visible {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

/* Estilos para scrollbar personalizada */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* Estilos para estados de error */
.error-shake {
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Clase para elementos de pantalla completa */
.full-width {
    width: 100vw;
    margin-left: calc(-50vw + 50%);
}

/* Transiciones suaves para elementos interactivos */
.smooth-transition {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Estilos para tooltip */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 200px;
    background-color: var(--gray-700);
    color: white;
    text-align: center;
    border-radius: 6px;
    padding: 8px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.875rem;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

/* Banner de cookies */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 1rem;
    z-index: 1000;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.cookie-banner.show {
    transform: translateY(0);
}

/* Indicador de carga accesible */
.loading-spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
    display: inline-block;
    margin-right: 8px;
}

/* Accesibilidad */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Mejoras de accesibilidad para movimiento reducido */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .spinner,
    .loading-spinner {
        animation: none;
        border-top-color: var(--primary-color);
    }
}

/* Modo alto contraste */
@media (prefers-contrast: high) {
    body {
        background-color: #000;
        color: #fff;
    }
    
    .card-shadow {
        border: 2px solid var(--gray-300);
    }
    
    .btn-primary {
        border: 2px solid var(--primary-color);
    }
    
    .reference-item {
        border: 2px solid var(--gray-300);
    }
    
    .bg-white {
        background-color: #000 !important;
        color: #fff !important;
        border: 2px solid #fff;
    }
}

.high-contrast {
    background-color: #000;
    color: #fff;
}

/* Utilidades adicionales para layouts flexibles */
.flex-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.flex-item {
    flex: 1 1 300px;
}

/* Layout de panel dividido */
.split-panel {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .split-panel {
        grid-template-columns: 2fr 1fr;
    }
}

@media (min-width: 1440px) {
    .split-panel {
        grid-template-columns: 3fr 2fr;
    }
}