/* ===== AROROPIOLOGÍA - READER INTERFACE STYLES ===== */
/* Archivo: public_html/assets/css/reader.css */
/* Versión: 5.0 - Sistema multilingüe completo + Layout adaptativo */
/* Nota: Las fuentes y tipografía se manejan en typography.css */

/* ===== LAYOUT PRINCIPAL ===== */
.reader-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

/* ===== CÍRCULO INICIAL ===== */
.circle-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
    transition: opacity 0.5s ease;
}

.circle-container.destroyed {
    opacity: 0;
    pointer-events: none;
}

.circle {
    width: 80px;
    height: 80px;
    border: 2px solid var(--white);
    border-radius: 50%;
    transition: opacity 0.3s ease;
    position: relative;
    opacity: 0;
}

.circle.visible {
    opacity: 1;
}

.circle.destroyed {
    opacity: 0;
}

/* ===== HEADER SPACE - ZONA RESERVADA ===== */
.header-space {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: var(--black);
    z-index: 90;
    pointer-events: none;
}

/* ===== TÍTULO DEL SITIO ===== */
.site-title {
    position: fixed;
    top: 25px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    letter-spacing: 2px;
    z-index: 100;
    opacity: 0;
    animation: fadeInTitle 1s ease-out 0.5s forwards;
}

@keyframes fadeInTitle {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* ===== MENSAJE DEL AROROPIO ===== */
.aroropio-intro {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 700px;
    z-index: 50;
    text-align: center;
    opacity: 0;
    animation: fadeInMessage 1s ease-out forwards;
}

@keyframes fadeInMessage {
    from {
        opacity: 0;
        transform: translate(-50%, -60%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

.aroropio-message {
    color: var(--white);
}

.aroropio-paragraph {
    margin-bottom: 25px;
    opacity: 0;
}

.aroropio-paragraph:last-child {
    margin-bottom: 0;
}

.fade-in-line {
    animation: fadeInLine 1.5s ease-out forwards;
}

@keyframes fadeInLine {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.aroropio-intro.fade-out {
    animation: fadeOutMessage 1.5s ease-out forwards;
}

@keyframes fadeOutMessage {
    0% {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
    50% {
        opacity: 0.5;
        transform: translate(-50%, -55%);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -60%);
    }
}

/* ===== SISTEMA DE CONFIRMACIÓN DE IDIOMA ===== */
.language-confirmation {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--black);
    border: 2px solid var(--white);
    padding: 20px;
    z-index: 1500;
    min-width: 300px;
    max-width: 500px;
    text-align: center;
    opacity: 0;
    animation: fadeInConfirmation 0.3s ease-out forwards;
}

@keyframes fadeInConfirmation {
    from {
        opacity: 0;
        transform: translate(-50%, -60%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

.language-confirmation.fade-out {
    animation: fadeOutConfirmation 0.3s ease-out forwards;
}

@keyframes fadeOutConfirmation {
    from {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
    to {
        opacity: 0;
        transform: translate(-50%, -40%);
    }
}

.language-confirmation-title {
    color: var(--white);
    margin-bottom: 15px;
    font-family: var(--font-interface);
    font-size: var(--font-size-interface);
    font-weight: var(--font-weight-medium);
}

.language-confirmation-message {
    color: var(--gray-light);
    margin-bottom: 20px;
    font-family: var(--font-academic);
    font-size: var(--font-size-small);
    line-height: var(--line-height-reading);
}

.language-confirmation-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.language-confirmation-btn {
    background: none;
    border: 1px solid var(--white);
    color: var(--white);
    padding: 8px 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-terminal);
    font-size: var(--font-size-small);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.language-confirmation-btn:hover {
    background: var(--white);
    color: var(--black);
}

.language-confirmation-btn.primary {
    background: var(--white);
    color: var(--black);
}

.language-confirmation-btn.primary:hover {
    background: var(--gray-dark);
    color: var(--white);
    border-color: var(--gray-light);
}

/* Overlay para confirmación de idioma */
.language-confirmation-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1400;
    opacity: 0;
    animation: fadeInOverlay 0.3s ease-out forwards;
}

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

/* ===== INPUT AREA ===== */
.input-area {
    position: fixed;
    bottom: 10vh;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 800px;
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 20;
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
    transition: opacity 1s ease-out, transform 1s ease-out;
}

.input-area.visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.cursor-line {
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 5px;
    transition: opacity 0.3s ease;
}

.cursor {
    color: var(--white);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.input-area input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--white);
    text-align: center;
    width: 80%;
    max-width: 600px;
    padding: 10px;
    transition: border-bottom 0.3s ease;
}

.input-area input.typing {
    border-bottom: 1px solid var(--white);
}

/* ===== TERMINAL OUTPUT - ADAPTATIVO PARA PANEL ===== */
.terminal-output {
    position: absolute;
    top: 90px;
    left: 20px;
    right: 20px;
    bottom: 20vh;
    color: var(--white);
    overflow-y: auto;
    padding: 20px;
    z-index: 5;
    display: none;
    opacity: 0;
    transition: all 0.3s ease;
}

/* ← CONTRACCIÓN INTELIGENTE DEL TERMINAL PARA PANEL */
.terminal-output.panel-contracted {
    right: 52%; /* Deja espacio para panel de 50% + margin */
}

.terminal-output.panel-expanded {
    right: 27%; /* Deja espacio para panel de 75% + margin */
}

.terminal-output.panel-fullwidth {
    display: none; /* Se oculta completamente en modo pantalla completa */
}

.terminal-output.visible {
    opacity: 1;
}

.terminal-output::-webkit-scrollbar {
    width: 8px;
}

.terminal-output::-webkit-scrollbar-track {
    background: transparent;
}

.terminal-output::-webkit-scrollbar-thumb {
    background: var(--gray-medium);
    border-radius: 4px;
}

.terminal-output::-webkit-scrollbar-thumb:hover {
    background: var(--gray-light);
}

/* ===== OUTPUT LINES ===== */
.output-line {
    margin-bottom: 10px;
    white-space: pre-wrap;
    opacity: 0;
    animation: fadeInLineOutput 0.3s ease-out forwards;
}

.output-line.fade-in {
    animation: fadeInLineOutput 0.5s ease-out forwards;
}

@keyframes fadeInLineOutput {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== LOADING INDICATOR ===== */
.loading-indicator {
    opacity: 0.7;
}

.loading-dots::after {
    content: '';
    animation: loadingDots 1.5s infinite;
}

@keyframes loadingDots {
    0%, 20% { content: ''; }
    40% { content: '.'; }
    60% { content: '..'; }
    80%, 100% { content: '...'; }
}

/* ===== SEARCH RESULTS CON METADATOS MULTILINGÜES MEJORADOS ===== */
.search-result {
    margin: 15px 0;
    padding: 15px;
    border-left: 2px solid var(--white);
    padding-left: 15px;
    background: rgba(255, 255, 255, 0.02);
    opacity: 0;
    animation: fadeInResult 0.6s ease-out forwards;
    transition: all 0.2s ease;
    position: relative;
}

.search-result.clickable-result {
    cursor: pointer;
    border: 1px solid transparent;
}

.search-result.clickable-result:hover {
    background: rgba(255, 255, 255, 0.05);
    border-left-color: var(--gray-light);
    border: 1px solid var(--gray-dark);
    transform: translateX(5px);
}

.search-result.fade-in {
    animation: fadeInResult 0.8s ease-out forwards;
}

@keyframes fadeInResult {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.search-result-title {
    font-weight: bold;
    margin-bottom: 8px;
    color: var(--white);
}

.search-result-author {
    color: var(--gray-light);
    margin-bottom: 8px;
    font-style: italic;
    position: relative;
}

.search-result-summary {
    color: var(--gray-paper);
    margin-bottom: 6px;
}

.search-result-meta {
    color: var(--gray-medium);
    border-top: 1px solid var(--gray-dark);
    padding-top: 6px;
    margin-top: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.click-hint {
    color: var(--gray-light);
    font-style: italic;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.search-result.clickable-result:hover .click-hint {
    opacity: 1;
}

/* ← MEJORADO: Badges de traducción más integrados */
.translation-badge {
    display: inline-block;
    background: var(--gray-dark);
    border: 1px solid var(--gray-medium);
    color: var(--gray-light);
    padding: 2px 8px;
    margin-left: 8px;
    font-family: var(--font-terminal);
    font-size: var(--font-size-tiny);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 2px;
    position: relative;
    top: -1px;
}

.translation-badge::before {
    content: "🔄 ";
    font-size: 10px;
    margin-right: 2px;
}

.translation-badge.from-en::before {
    content: "EN→ ";
    font-family: var(--font-terminal);
    font-size: var(--font-size-tiny);
    margin-right: 2px;
}

.translation-badge.from-es::before {
    content: "ES→ ";
    font-family: var(--font-terminal);
    font-size: var(--font-size-tiny);
    margin-right: 2px;
}

.translation-badge.from-fr::before {
    content: "FR→ ";
    font-family: var(--font-terminal);
    font-size: var(--font-size-tiny);
    margin-right: 2px;
}

/* Efecto hover para badge de traducción */
.search-result.clickable-result:hover .translation-badge {
    background: var(--white);
    color: var(--black);
    border-color: var(--white);
}

/* ← NUEVO: Indicadores de idioma mejorados en resultados */
.language-indicator {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--black);
    border: 1px solid var(--gray-medium);
    color: var(--gray-light);
    padding: 2px 6px;
    font-family: var(--font-terminal);
    font-size: var(--font-size-tiny);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 2px;
}

.language-indicator.original {
    background: var(--gray-medium);
    color: var(--white);
    border-color: var(--white);
}

.language-indicator.original::before {
    content: "📄 ";
    font-size: 9px;
}

.language-indicator.translated {
    background: rgba(255, 255, 255, 0.1);
    color: var(--gray-light);
    border-style: dashed;
}

.language-indicator.translated::before {
    content: "🔄 ";
    font-size: 9px;
}

/* ← NUEVO: Estados de info multilingüe en terminal */
.multilingual-info {
    background: rgba(255, 255, 255, 0.03);
    border-left: 3px solid var(--gray-medium);
    padding: 10px 15px;
    margin: 10px 0;
    color: var(--gray-light);
    font-family: var(--font-interface);
    font-size: var(--font-size-small);
}

.multilingual-info-title {
    color: var(--white);
    font-weight: var(--font-weight-medium);
    margin-bottom: 5px;
}

.multilingual-info-list {
    color: var(--gray-light);
    line-height: 1.4;
}

/* ===== SISTEMA DE PANEL LATERAL CON BOTÓN PROGRESIVO Y IDIOMA ===== */
.article-panel-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.article-panel-overlay.visible {
    opacity: 1;
    pointer-events: auto;
}

/* ← PANEL CON MÚLTIPLES MODOS DE ANCHO */
.article-panel {
    position: fixed;
    top: 0;
    right: -50%;
    width: 50%;
    height: 100vh;
    background: var(--black);
    border-left: 2px solid var(--white);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

.article-panel.visible {
    right: 0;
}

.article-panel.expanded {
    width: 75%;
    right: -75%;
}

.article-panel.expanded.visible {
    right: 0;
}

.article-panel.fullwidth {
    width: 100%;
    right: -100%;
}

.article-panel.fullwidth.visible {
    right: 0;
}

.article-panel-header {
    padding: 20px;
    border-bottom: 1px solid var(--gray-dark);
    background: var(--gray-dark);
    flex-shrink: 0;
    position: relative;
    min-height: 100px; /* ← Aumentado para dar espacio a todos los elementos */
}

/* ← BOTÓN DE EXPANSIÓN PROGRESIVA ÚNICO */
.panel-expand-btn {
    position: absolute;
    top: 10px;
    right: 85px; /* ← Movido para dar espacio al botón de idioma */
    background: none;
    border: 1px solid var(--white);
    color: var(--white);
    width: 35px;
    height: 30px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.panel-expand-btn:hover {
    background: var(--white);
    color: var(--black);
}

.panel-expand-btn.state-contracted::before {
    content: '<>';
}

.panel-expand-btn.state-expanded::before {
    content: '<->';
}

.panel-expand-btn.state-fullwidth::before {
    content: 'O';
}

/* ← MEJORADO: Botón toggle de idioma más visible */
.language-toggle-btn {
    position: absolute;
    top: 10px;
    right: 45px;
    background: none;
    border: 1px solid var(--gray-medium);
    color: var(--gray-light);
    width: 35px;
    height: 30px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-terminal);
    font-size: var(--font-size-tiny);
    font-weight: bold;
    overflow: hidden;
}

.language-toggle-btn:hover {
    background: var(--gray-medium);
    color: var(--white);
    border-color: var(--white);
}

.language-toggle-btn.has-translation {
    border-color: var(--white);
    color: var(--white);
}

.language-toggle-btn.has-translation:hover {
    background: var(--white);
    color: var(--black);
}

.language-toggle-btn.active {
    background: var(--white);
    color: var(--black);
    border-color: var(--white);
}

.language-toggle-btn.disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.language-toggle-btn.disabled:hover {
    background: none;
    color: var(--gray-light);
    border-color: var(--gray-medium);
}

/* ← NUEVO: Tooltip para botón de idioma */
.language-toggle-btn::after {
    content: attr(title);
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--black);
    border: 1px solid var(--white);
    color: var(--white);
    padding: 4px 8px;
    font-size: var(--font-size-tiny);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 10;
}

.language-toggle-btn:hover::after {
    opacity: 1;
}

.close-panel-btn {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: 1px solid var(--white);
    color: var(--white);
    width: 30px;
    height: 30px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.close-panel-btn:hover {
    background: var(--white);
    color: var(--black);
}

.article-panel-title {
    color: var(--white);
    font-weight: bold;
    margin-bottom: 10px;
    margin-right: 130px; /* ← Aumentado para dar espacio a todos los botones */
    line-height: 1.3;
}

.article-panel-meta {
    color: var(--gray-light);
    font-style: italic;
    margin-right: 130px; /* ← Aumentado para dar espacio a todos los botones */
    margin-bottom: 5px;
}

/* ← MEJORADO: Indicadores de idioma y estado de traducción más claros */
.panel-language-info {
    position: absolute;
    top: 50px;
    right: 15px;
    font-family: var(--font-terminal);
    font-size: var(--font-size-tiny);
    color: var(--gray-light);
    text-align: right;
    line-height: 1.2;
}

.panel-language-status {
    display: block;
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.panel-language-status.original {
    color: var(--white);
}

.panel-language-status.original::before {
    content: "📄 Original ";
}

.panel-language-status.translated {
    color: var(--gray-light);
}

.panel-language-status.translated::before {
    content: "🔄 Translated ";
}

.panel-source-language {
    display: block;
    font-size: var(--font-size-tiny);
    color: var(--gray-medium);
    text-transform: uppercase;
}

.panel-mode-indicator {
    position: absolute;
    bottom: 5px;
    right: 15px;
    color: var(--gray-light);
    font-style: italic;
    font-family: var(--font-terminal);
    font-size: var(--font-size-tiny);
}

.article-panel-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    color: var(--white);
    transition: all 0.4s ease, column-count 0.4s ease, font-size 0.3s ease;
}

.article-panel-content::-webkit-scrollbar {
    width: 8px;
}

.article-panel-content::-webkit-scrollbar-track {
    background: var(--gray-dark);
}

.article-panel-content::-webkit-scrollbar-thumb {
    background: var(--gray-medium);
    border-radius: 4px;
}

.article-panel-content::-webkit-scrollbar-thumb:hover {
    background: var(--gray-light);
}

/* ← MEJORADO: Estados de carga para contenido traducido más elegantes */
.article-panel-content.loading {
    opacity: 0.7;
    pointer-events: none;
    position: relative;
}

.article-panel-content.loading::before {
    content: "Translating content...";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--gray-light);
    font-family: var(--font-terminal);
    font-size: var(--font-size-small);
    letter-spacing: 1px;
    text-align: center;
    animation: loadingPulse 1.5s infinite;
    background: var(--black);
    padding: 10px 20px;
    border: 1px solid var(--gray-medium);
    border-radius: 2px;
}

.article-panel-content.loading::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: -1;
}

@keyframes loadingPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* ===== SISTEMA DE LAYOUT ADAPTATIVO POR PANEL ===== */

/* MODO CONTRACTED (50%) - DOS COLUMNAS ACADÉMICAS INICIALES */
.article-panel:not(.expanded):not(.fullwidth) .article-panel-content,
.article-panel.contracted .article-panel-content {
    /* Layout de dos columnas académicas para lectura inicial */
    max-width: 100%;
    padding: 20px 25px;
    font-size: var(--font-size-reading); /* 18px */
    line-height: var(--line-height-reading); /* 1.7 */
    
    /* Sistema de dos columnas para modo contracted */
    column-count: 2;
    column-gap: 2rem;
    column-rule: 1px solid var(--gray-dark);
    column-fill: balance;
    
    /* Optimizaciones tipográficas */
    orphans: 3;
    widows: 3;
    hyphens: auto;
}

.article-panel:not(.expanded):not(.fullwidth) .article-panel-content p,
.article-panel.contracted .article-panel-content p {
    max-width: 100%;
    text-align: justify;
    margin-bottom: 1em;
    hyphens: auto;
    text-justify: inter-word;
    break-inside: avoid-column;
}

.article-panel:not(.expanded):not(.fullwidth) .article-panel-content h1,
.article-panel:not(.expanded):not(.fullwidth) .article-panel-content h2,
.article-panel:not(.expanded):not(.fullwidth) .article-panel-content h3,
.article-panel.contracted .article-panel-content h1,
.article-panel.contracted .article-panel-content h2,
.article-panel.contracted .article-panel-content h3 {
    /* Títulos principales ocupan ambas columnas */
    column-span: all;
    margin: 1.5em 0 1em 0;
    text-align: center;
    border-bottom: 1px solid var(--gray-dark);
    padding-bottom: 0.5em;
    break-after: column;
}

.article-panel:not(.expanded):not(.fullwidth) .article-panel-content h4,
.article-panel:not(.expanded):not(.fullwidth) .article-panel-content h5,
.article-panel:not(.expanded):not(.fullwidth) .article-panel-content h6,
.article-panel.contracted .article-panel-content h4,
.article-panel.contracted .article-panel-content h5,
.article-panel.contracted .article-panel-content h6 {
    /* Subtítulos menores dentro de columnas */
    margin: 1.2em 0 0.6em 0;
    break-after: avoid;
    break-inside: avoid;
}

/* MODO EXPANDED (75%) - UNA COLUMNA OPTIMIZADA */
.article-panel.expanded .article-panel-content {
    /* Layout de una columna con mejor aprovechamiento horizontal */
    max-width: 100%;
    padding: 20px 30px;
    font-size: calc(var(--font-size-reading) * 1.05); /* 19px */
    line-height: calc(var(--line-height-reading) * 0.95); /* 1.6 */
    
    /* Una columna optimizada */
    column-count: 1;
    column-gap: 0;
    column-rule: none;
}

.article-panel.expanded .article-panel-content p {
    max-width: 85ch; /* Medida de línea extendida */
    text-align: justify;
    margin-bottom: 1.1em;
    hyphens: auto;
    text-justify: inter-word;
}

.article-panel.expanded .article-panel-content h1,
.article-panel.expanded .article-panel-content h2,
.article-panel.expanded .article-panel-content h3 {
    margin: 1.3em 0 0.7em 0;
    max-width: 85ch;
    text-align: left;
    border-bottom: none;
    border-left: 3px solid var(--white);
    padding-left: 15px;
    break-after: auto;
}

/* MODO FULLWIDTH (100%) - UNA COLUMNA MÁXIMA */
.article-panel.fullwidth .article-panel-content {
    /* Layout de una columna aprovechando todo el ancho */
    max-width: 100%;
    padding: 25px 40px;
    font-size: calc(var(--font-size-reading) * 1.1); /* 20px */
    line-height: var(--line-height-reading); /* 1.7 */
    
    /* Una columna con máximo aprovechamiento */
    column-count: 1;
    column-gap: 0;
    column-rule: none;
}

.article-panel.fullwidth .article-panel-content p {
    max-width: 95ch; /* Máxima medida de línea */
    text-align: justify;
    margin-bottom: 1.2em;
    text-justify: inter-word;
    hyphens: auto;
}

.article-panel.fullwidth .article-panel-content h1,
.article-panel.fullwidth .article-panel-content h2,
.article-panel.fullwidth .article-panel-content h3 {
    margin: 1.5em 0 1em 0;
    max-width: 95ch;
    text-align: left;
    border-bottom: 2px solid var(--gray-medium);
    padding-bottom: 0.5em;
    break-after: auto;
}

/* ===== LISTAS Y ELEMENTOS ESPECIALES EN LAYOUT ADAPTATIVO ===== */

/* Listas en modo contracted (2 columnas) */
.article-panel:not(.expanded):not(.fullwidth) .article-panel-content ul,
.article-panel:not(.expanded):not(.fullwidth) .article-panel-content ol,
.article-panel.contracted .article-panel-content ul,
.article-panel.contracted .article-panel-content ol {
    break-inside: avoid-column;
    margin: 1em 0;
}

.article-panel:not(.expanded):not(.fullwidth) .article-panel-content li,
.article-panel.contracted .article-panel-content li {
    break-inside: avoid;
    margin-bottom: 0.5em;
}

/* Código y elementos especiales */
.article-panel:not(.expanded):not(.fullwidth) .article-panel-content pre,
.article-panel:not(.expanded):not(.fullwidth) .article-panel-content blockquote,
.article-panel.contracted .article-panel-content pre,
.article-panel.contracted .article-panel-content blockquote {
    column-span: all;
    margin: 1.5em 0;
    break-inside: avoid;
}

.article-panel.expanded .article-panel-content pre,
.article-panel.expanded .article-panel-content blockquote,
.article-panel.fullwidth .article-panel-content pre,
.article-panel.fullwidth .article-panel-content blockquote {
    width: 100%;
    break-inside: avoid;
    margin: 1.5em 0;
}

/* ===== INDICADORES VISUALES DE MODO MEJORADOS ===== */

.article-panel:not(.expanded):not(.fullwidth) .panel-mode-indicator::after,
.article-panel.contracted .panel-mode-indicator::after {
    content: " • Academic Columns";
    font-style: italic;
    color: var(--gray-light);
}

.article-panel.expanded .panel-mode-indicator::after {
    content: " • Optimized Reading";
    font-style: italic;
    color: var(--gray-light);
}

.article-panel.fullwidth .panel-mode-indicator::after {
    content: " • Full Width";
    font-style: italic;
    color: var(--gray-light);
}

/* ===== TRANSICIONES SUAVES ENTRE MODOS ===== */

.article-panel-content p,
.article-panel-content h1,
.article-panel-content h2,
.article-panel-content h3 {
    /* Transiciones suaves para elementos de contenido */
    transition: max-width 0.3s ease, margin 0.3s ease, font-size 0.3s ease;
}

/* Animación de cambio de layout */
@keyframes layoutShift {
    0% {
        opacity: 0.8;
        transform: scale(0.98);
    }
    50% {
        opacity: 0.9;
        transform: scale(0.99);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.article-panel-content.layout-changing {
    animation: layoutShift 0.4s ease-out;
}

/* ← ELEMENTOS DE CONTENIDO DE ARTÍCULOS - SIMPLIFICADOS */
.article-panel-content h1 {
    color: var(--white);
}

.article-panel-content h2 {
    color: var(--white);
}

.article-panel-content h3 {
    color: var(--gray-paper);
}

.article-panel-content strong {
    color: var(--white);
    font-weight: bold;
}

.article-panel-content em {
    color: var(--gray-light);
    font-style: italic;
}

.article-panel-content ul {
    margin: 10px 0 10px 20px;
}

.article-panel-content li {
    margin-bottom: 5px;
    list-style-type: none;
    position: relative;
}

.article-panel-content li:before {
    content: "•";
    color: var(--gray-light);
    position: absolute;
    left: -15px;
}

.article-panel-footer {
    padding: 15px 20px;
    border-top: 1px solid var(--gray-dark);
    background: var(--gray-dark);
    flex-shrink: 0;
}

.article-stats {
    color: var(--gray-light);
    text-align: center;
    font-family: var(--font-interface);
    font-size: var(--font-size-small);
}

/* ===== LOGIN BUTTON ===== */
.login-button {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 100;
    opacity: 0;
    animation: showLoginButton 1s ease-out 2s forwards;
}

.login-button a {
    color: var(--white);
    padding: 8px 16px;
    border: 1px solid var(--white);
    background: var(--black);
    letter-spacing: 1px;
    transition: all 0.2s ease;
    pointer-events: auto;
}

.login-button a:hover {
    background: var(--white);
    color: var(--black);
}

@keyframes showLoginButton {
    from { 
        opacity: 0; 
        transform: translateY(-10px);
    }
    to { 
        opacity: 1; 
        transform: translateY(0);
    }
}

/* ===== ADAPTACIONES RESPONSIVE PARA LAYOUT ADAPTATIVO ===== */

/* En tablet, simplificar a una columna */
@media (max-width: 768px) {
    .article-panel:not(.expanded):not(.fullwidth) .article-panel-content,
    .article-panel.contracted .article-panel-content,
    .article-panel.expanded .article-panel-content,
    .article-panel.fullwidth .article-panel-content {
        column-count: 1;
        column-gap: 0;
        column-rule: none;
        padding: 15px 20px;
        font-size: var(--font-size-interface);
    }
    
    .article-panel:not(.expanded):not(.fullwidth) .article-panel-content h1,
    .article-panel:not(.expanded):not(.fullwidth) .article-panel-content h2,
    .article-panel:not(.expanded):not(.fullwidth) .article-panel-content h3,
    .article-panel.contracted .article-panel-content h1,
    .article-panel.contracted .article-panel-content h2,
    .article-panel.contracted .article-panel-content h3,
    .article-panel.expanded .article-panel-content h1,
    .article-panel.expanded .article-panel-content h2,
    .article-panel.expanded .article-panel-content h3,
    .article-panel.fullwidth .article-panel-content h1,
    .article-panel.fullwidth .article-panel-content h2,
    .article-panel.fullwidth .article-panel-content h3 {
        column-span: none;
        text-align: left;
        border-bottom: 1px solid var(--gray-dark);
        border-left: none;
        padding-left: 0;
        break-after: auto;
    }
    
    /* Ajustar botones en tablet */
    .language-toggle-btn {
        width: 30px;
        height: 25px;
        right: 40px;
    }
    
    .panel-expand-btn {
        right: 75px;
        width: 30px;
        height: 25px;
    }
    
    .article-panel-title,
    .article-panel-meta {
        margin-right: 110px;
    }
    
    .panel-language-info {
        right: 10px;
        font-size: var(--font-size-tiny);
    }
}

/* En móvil, layout uniforme */
@media (max-width: 480px) {
    .article-panel:not(.expanded):not(.fullwidth) .article-panel-content,
    .article-panel.contracted .article-panel-content,
    .article-panel.expanded .article-panel-content,
    .article-panel.fullwidth .article-panel-content {
        column-count: 1;
        column-gap: 0;
        column-rule: none;
        padding: 12px 15px;
        font-size: var(--font-size-interface);
        line-height: 1.5;
    }
    
    .article-panel .article-panel-content p {
        text-align: left;
        hyphens: none;
        margin-bottom: 1em;
        max-width: 100%;
    }
    
    /* Simplificar botones en móvil */
    .language-toggle-btn {
        width: 25px;
        height: 22px;
        right: 35px;
        font-size: 9px;
    }
    
    .panel-expand-btn {
        right: 65px;
        width: 25px;
        height: 22px;
    }
    
    .article-panel-title,
    .article-panel-meta {
        margin-right: 95px;
    }
    
    .panel-language-info {
        right: 8px;
        font-size: 8px;
    }
    
    /* Confirmación de idioma adaptada a móvil */
    .language-confirmation {
        min-width: 200px;
        max-width: 300px;
        padding: 12px;
    }
    
    .language-confirmation-title {
        font-size: 14px;
        margin-bottom: 10px;
    }
    
    .language-confirmation-message {
        font-size: 12px;
        margin-bottom: 15px;
    }
    
    .language-confirmation-btn {
        padding: 5px 10px;
        font-size: 10px;
    }
    
    .language-confirmation-buttons {
        flex-direction: column;
        gap: 8px;
    }
    
    .translation-badge {
        padding: 1px 4px;
        font-size: 8px;
        margin-left: 4px;
    }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .header-space {
        height: 70px;
    }
    
    .site-title {
        top: 20px;
        letter-spacing: 1px;
    }
    
    .login-button {
        top: 15px;
        right: 15px;
    }
    
    .login-button a {
        padding: 6px 12px;
    }
    
    .terminal-output {
        top: 80px;
        left: 15px;
        right: 15px;
        padding: 15px;
        bottom: 25vh;
    }
    
    .terminal-output.panel-contracted,
    .terminal-output.panel-expanded {
        display: none;
    }
    
    .aroropio-intro {
        width: 95%;
        max-width: 500px;
        padding: 0 10px;
    }
    
    .aroropio-paragraph {
        margin-bottom: 25px;
        text-align: left;
    }
    
    .circle-container {
        width: 150px;
        height: 150px;
    }
    
    .circle {
        width: 60px;
        height: 60px;
    }
    
    .input-area {
        bottom: 8vh;
        width: 95%;
    }
    
    .input-area input {
        width: 90%;
    }
    
    .search-result {
        padding: 12px;
        margin: 12px 0;
    }
    
    .article-panel {
        width: 90%;
        right: -90%;
    }
    
    .article-panel.expanded {
        width: 95%;
        right: -95%;
    }
    
    .article-panel.fullwidth {
        width: 100%;
        right: -100%;
    }
    
    .article-panel-content {
        padding: 15px;
    }
    
    .article-panel-header {
        padding: 15px;
        min-height: 80px;
    }
}

@media (max-width: 480px) {
    .header-space {
        height: 60px;
    }
    
    .site-title {
        top: 18px;
    }
    
    .login-button {
        top: 12px;
        right: 12px;
    }
    
    .login-button a {
        padding: 5px 10px;
    }
    
    .terminal-output {
        top: 70px;
        left: 10px;
        right: 10px;
        padding: 10px;
    }
    
    .aroropio-paragraph {
        margin-bottom: 20px;
    }
    
    .input-area {
        bottom: 6vh;
    }
    
    .circle {
        width: 50px;
        height: 50px;
    }
    
    .article-panel {
        width: 95%;
        right: -95%;
    }
    
    .article-panel.expanded,
    .article-panel.fullwidth {
        width: 100%;
        right: -100%;
    }
    
    .article-panel-content {
        padding: 12px;
    }
    
    .article-panel-header {
        padding: 12px;
        min-height: 75px;
    }
}

/* ===== HIGH CONTRAST MODE FOR E-INK DISPLAYS ===== */
@media (prefers-contrast: high) {
    /* En e-ink, usar una columna para mejor legibilidad */
    .article-panel:not(.expanded):not(.fullwidth) .article-panel-content,
    .article-panel.contracted .article-panel-content {
        column-count: 1;
        column-rule: none;
        padding: 30px;
    }
    
    .article-panel:not(.expanded):not(.fullwidth) .article-panel-content h1,
    .article-panel:not(.expanded):not(.fullwidth) .article-panel-content h2,
    .article-panel:not(.expanded):not(.fullwidth) .article-panel-content h3,
    .article-panel.contracted .article-panel-content h1,
    .article-panel.contracted .article-panel-content h2,
    .article-panel.contracted .article-panel-content h3 {
        column-span: none;
        text-align: left;
        border-bottom: 2px solid var(--gray-medium);
        border-left: 3px solid var(--white);
        padding-left: 15px;
    }
    
    /* Incrementar espaciado para mejor legibilidad en e-ink */
    .article-panel .article-panel-content p {
        margin-bottom: 1.3em;
        line-height: 1.8;
    }
    
    /* Hacer más visibles los elementos en e-ink */
    .language-toggle-btn,
    .panel-expand-btn {
        border-width: 2px;
        font-weight: bold;
    }
    
    .translation-badge,
    .language-indicator {
        border-width: 2px;
        font-weight: bold;
    }
    
    .circle {
        border-width: 3px;
    }
    
    .search-result {
        border-left-width: 3px;
        background: transparent;
    }
    
    .article-panel {
        border-left-width: 3px;
    }
    
    .language-confirmation {
        border-width: 3px;
    }
    
    .language-confirmation-btn {
        border-width: 2px;
        font-weight: bold;
    }
}