/* =========================================================
   OJS MASTER THEME - RADICAL PREMIUM & MINIMALIST V3.1
   Arquitectura Avanzada: Animaciones completas, tipografía 
   controlada, modo oscuro, y efectos en imágenes.
   ========================================================= */

/* ---------------------------------------------------------
   1. SISTEMA DE VARIABLES AVANZADO (DESIGN TOKENS)
   --------------------------------------------------------- */
:root {
    /* Paleta Ejecutiva (Phonema Base) */
    --ojs-primario: #7b4d3a;       
    --ojs-primario-hover: #5c392b; 
    --ojs-secundario: #c5a88e;     
    --ojs-acento: #e6dac3;
    
    /* Escala de Grises y Fondos */
    --ojs-bg-base: #ffffff;        
    --ojs-bg-offset: #fafafa;      
    --ojs-bg-surface: #f4f4f4;
    --ojs-texto-main: #1a1a1a;     
    --ojs-texto-muted: #555555;    
    --ojs-borde: #eaeaea;          
    --ojs-borde-fuerte: #cccccc;

    /* Tipografía Controlada y Elegante (Sin excesos) */
    --font-xs: 0.85rem;
    --font-sm: 0.95rem;
    --font-base: 1rem;       /* 16px estándar */
    --font-lg: 1.15rem;
    --font-xl: 1.4rem;
    --font-xxl: 1.8rem;      /* Títulos principales controlados */
    
    /* Sombras y Elevación */
    --ojs-shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
    --ojs-shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.03);
    --ojs-shadow-md: 0 10px 30px rgba(0, 0, 0, 0.05);
    --ojs-shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.08);
    --ojs-shadow-color: 0 8px 25px rgba(123, 77, 58, 0.2);
    
    /* Curvas Bézier para Animaciones Naturales */
    --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.25s var(--ease-out-expo);
    --transition-normal: all 0.4s var(--ease-out-expo);
    --transition-slow: all 0.7s var(--ease-out-expo);
    
    /* Geometría */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 24px;
    --radius-pill: 9999px;
    
    /* Capas Z-Index */
    --z-header: 1000;
    --z-dropdown: 1050;
}

/* Modo Oscuro Automático */
@media (prefers-color-scheme: dark) {
    :root {
        --ojs-bg-base: #121212;
        --ojs-bg-offset: #1e1e1e;
        --ojs-bg-surface: #2c2c2c;
        --ojs-texto-main: #f5f5f5;
        --ojs-texto-muted: #aaaaaa;
        --ojs-borde: #333333;
        --ojs-borde-fuerte: #444444;
        --ojs-shadow-md: 0 10px 30px rgba(0, 0, 0, 0.5);
    }
}

/* ---------------------------------------------------------
   2. MOTORES DE ANIMACIÓN (KEYFRAMES)
   --------------------------------------------------------- */
@keyframes fadeInUp {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInLeft {
    0% { opacity: 0; transform: translateX(-20px); }
    100% { opacity: 1; transform: translateX(0); }
}
@keyframes scaleIn {
    0% { opacity: 0; transform: scale(0.95); }
    100% { opacity: 1; transform: scale(1); }
}
@keyframes imageReveal {
    0% { opacity: 0; filter: blur(8px); transform: scale(1.05); }
    100% { opacity: 1; filter: blur(0); transform: scale(1); }
}
@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

/* ---------------------------------------------------------
   3. RESETEO Y SCROLLBAR
   --------------------------------------------------------- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--ojs-bg-base); border-left: 1px solid var(--ojs-borde); }
::-webkit-scrollbar-thumb { background: var(--ojs-secundario); border-radius: var(--radius-pill); border: 2px solid var(--ojs-bg-base); }
::-webkit-scrollbar-thumb:hover { background: var(--ojs-primario); }

::selection { background: var(--ojs-primario); color: #ffffff; }

html { scroll-behavior: smooth; }

body, .pkp_structure_page, .page {
    background: var(--ojs-bg-base) !important;
    color: var(--ojs-texto-main) !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif !important;
    font-size: var(--font-base);
    line-height: 1.6;
}

.pkp_structure_main { animation: fadeInUp 0.8s var(--ease-out-expo) forwards; }

/* ---------------------------------------------------------
   4. IMÁGENES (ANIMACIONES RESTAURADAS Y EFECTOS PREMIUM)
   --------------------------------------------------------- */
img, .cover_image img, .obj_article_summary .cover img, .issue_cover img {
    border-radius: var(--radius-md) !important;
    transition: transform 0.6s var(--ease-out-expo), box-shadow 0.6s var(--ease-out-expo) !important;
    animation: imageReveal 1s var(--ease-out-expo) forwards;
    will-change: transform, opacity;
    display: block;
    max-width: 100%;
    height: auto;
}

/* Efecto Zoom y elevación al pasar el cursor sobre contenedores de imágenes */
a:hover img, .obj_article_summary:hover .cover img, .issue_cover:hover img {
    transform: scale(1.03) translateY(-4px) !important;
    box-shadow: var(--ojs-shadow-md) !important;
}

/* ---------------------------------------------------------
   5. CABECERA Y NAVEGACIÓN GLASSMORPHISM
   --------------------------------------------------------- */
header.pkp_structure_head {
    background: rgba(var(--ojs-bg-base), 0.85) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,0,0,0.05) !important;
    box-shadow: var(--ojs-shadow-xs) !important;
    position: sticky;
    top: 0;
    z-index: var(--z-header);
}

@media (prefers-color-scheme: dark) {
    header.pkp_structure_head { background: rgba(18, 18, 18, 0.85) !important; border-bottom: 1px solid rgba(255,255,255,0.05) !important; }
}

.pkp_structure_head .pkp_head_wrapper, 
.pkp_structure_head .pkp_navigation_primary_wrapper, 
.pkp_structure_head .pkp_navigation_user_wrapper,
.pkp_site_name_wrapper { background: transparent !important; }

.pkp_navigation_primary > li > a, .pkp_navigation_user > li > a {
    color: var(--ojs-texto-main) !important;
    font-weight: 600 !important;
    text-transform: uppercase !important;
    font-size: var(--font-xs) !important;
    letter-spacing: 1px !important;
    padding: 16px 12px !important;
    position: relative;
    transition: var(--transition-fast);
}

.pkp_navigation_primary > li > a::after, .pkp_navigation_user > li > a::after {
    content: ''; position: absolute; bottom: 10px; left: 50%;
    width: 0; height: 2px; background-color: var(--ojs-primario);
    transition: var(--transition-normal); transform: translateX(-50%);
}

.pkp_navigation_primary > li > a:hover::after, .pkp_navigation_user > li > a:hover::after { width: 80%; }
.pkp_navigation_primary > li > a:hover { color: var(--ojs-primario) !important; }

/* Submenús Desplegables */
.pkp_navigation_primary ul, .pkp_navigation_user ul {
    background: var(--ojs-bg-base) !important;
    border: 1px solid var(--ojs-borde) !important;
    border-radius: var(--radius-md) !important;
    box-shadow: var(--ojs-shadow-lg) !important;
    padding: 8px 0 !important;
    transform-origin: top left;
    animation: scaleIn 0.3s var(--ease-spring) forwards;
    z-index: var(--z-dropdown);
    min-width: 220px;
}

.pkp_navigation_primary ul li a, .pkp_navigation_user ul li a {
    transition: var(--transition-fast);
    padding: 10px 20px !important;
    font-size: var(--font-sm) !important;
    position: relative;
}

.pkp_navigation_primary ul li a::before {
    content: ''; position: absolute; left: 0; top: 0; height: 100%; width: 4px;
    background: var(--ojs-primario); transform: scaleY(0); transition: transform 0.3s var(--ease-out-expo);
}

.pkp_navigation_primary ul li a:hover {
    background-color: var(--ojs-bg-offset) !important;
    color: var(--ojs-primario) !important;
    padding-left: 28px !important;
}
.pkp_navigation_primary ul li a:hover::before { transform: scaleY(1); }

/* ---------------------------------------------------------
   6. ARTÍCULOS Y REJILLAS (GRID)
   --------------------------------------------------------- */
.cmp_article_list.articles {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; padding: 20px 0;
}

.obj_article_summary {
    background: var(--ojs-bg-base) !important;
    border: 1px solid var(--ojs-borde) !important;
    border-radius: var(--radius-md) !important;
    padding: 24px !important;
    transition: var(--transition-normal) !important;
    position: relative;
}

.obj_article_summary:hover { 
    transform: translateY(-4px) !important; 
    border-color: var(--ojs-secundario) !important;
    box-shadow: var(--ojs-shadow-md) !important;
}

.obj_article_summary .title a {
    color: var(--ojs-primario) !important;
    font-family: 'Georgia', serif !important;
    font-size: var(--font-lg) !important;
    line-height: 1.3 !important;
    text-decoration: none !important;
    transition: var(--transition-fast);
}

.obj_article_summary .title a:hover { color: var(--ojs-primario-hover) !important; }

/* Galeradas (PDF/HTML) */
.galley_link, .obj_galley_link {
    display: inline-flex !important; align-items: center !important;
    background: var(--ojs-bg-surface) !important;
    color: var(--ojs-primario) !important;
    border: 1px solid var(--ojs-borde) !important;
    border-radius: var(--radius-pill) !important;
    padding: 4px 12px !important;
    font-size: var(--font-xs) !important;
    font-weight: 700 !important;
    text-transform: uppercase !important;
    text-decoration: none !important;
    transition: var(--transition-fast) !important;
    margin-top: 16px;
}

.galley_link:hover {
    background: var(--ojs-primario) !important; color: var(--ojs-bg-base) !important;
    transform: translateY(-2px); box-shadow: var(--ojs-shadow-sm);
}

/* ---------------------------------------------------------
   7. SIDEBAR AVANZADO
   --------------------------------------------------------- */
.pkp_structure_sidebar {
    background: var(--ojs-bg-base) !important;
    border-left: 1px solid var(--ojs-borde) !important;
    padding-left: 24px !important;
    animation: fadeInLeft 1s var(--ease-out-expo) forwards;
}

.pkp_block {
    background: var(--ojs-bg-offset) !important;
    border: 1px solid var(--ojs-borde) !important;
    border-radius: var(--radius-md) !important;
    padding: 20px !important;
    margin-bottom: 24px !important;
    transition: var(--transition-normal) !important;
    position: relative; overflow: hidden;
}

.pkp_block::before {
    content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%;
    background: linear-gradient(to bottom, var(--ojs-secundario), var(--ojs-primario));
    opacity: 0.5; transition: var(--transition-normal);
}

.pkp_block:hover { transform: scale(1.01) !important; box-shadow: var(--ojs-shadow-sm) !important; background: var(--ojs-bg-base) !important; }
.pkp_block:hover::before { opacity: 1; width: 6px; }

.pkp_block .title {
    color: var(--ojs-texto-main) !important;
    font-family: 'Georgia', serif !important;
    font-size: var(--font-lg) !important;
    border-bottom: 2px solid var(--ojs-borde) !important;
    padding-bottom: 8px !important; margin-bottom: 16px !important;
}

/* ---------------------------------------------------------
   8. FORMULARIOS Y BOTONES
   --------------------------------------------------------- */
input[type="text"], input[type="email"], input[type="password"], textarea, select {
    width: 100%; background-color: var(--ojs-bg-surface) !important;
    border: 1px solid var(--ojs-borde) !important;
    border-radius: var(--radius-sm) !important;
    padding: 12px 16px !important;
    color: var(--ojs-texto-main) !important;
    font-size: var(--font-base) !important;
    transition: var(--transition-fast) !important;
}

input:focus, textarea:focus, select:focus {
    background-color: var(--ojs-bg-base) !important;
    border-color: var(--ojs-primario) !important;
    outline: none !important;
    box-shadow: 0 0 0 3px rgba(123, 77, 58, 0.1) !important;
}

.pkp_button, button.pkp_button, a.pkp_button {
    display: inline-flex !important; align-items: center !important; justify-content: center !important;
    background-color: var(--ojs-bg-base) !important;
    color: var(--ojs-primario) !important;
    border: 2px solid var(--ojs-primario) !important;
    border-radius: var(--radius-sm) !important;
    font-weight: 700 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
    padding: 10px 24px !important;
    font-size: var(--font-sm) !important;
    cursor: pointer !important;
    transition: var(--transition-fast) !important;
    position: relative; overflow: hidden; z-index: 1;
}

.pkp_button::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: var(--ojs-primario); z-index: -1;
    transform: scaleX(0); transform-origin: left; transition: transform 0.4s var(--ease-out-expo);
}

.pkp_button:hover {
    color: var(--ojs-bg-base) !important; border-color: var(--ojs-primario) !important;
    box-shadow: var(--ojs-shadow-color) !important; transform: translateY(-2px) !important;
}
.pkp_button:hover::before { transform: scaleX(1); }

.pkp_button_primary { background-color: var(--ojs-primario) !important; color: var(--ojs-bg-base) !important; }
.pkp_button_primary::before { background: var(--ojs-primario-hover); }

/* ---------------------------------------------------------
   9. PÁGINA DEL ARTÍCULO
   --------------------------------------------------------- */
.obj_article_details h1.page_title {
    font-family: 'Georgia', serif !important;
    font-size: var(--font-xxl) !important;
    line-height: 1.2 !important;
    color: var(--ojs-texto-main) !important;
    margin-bottom: 20px !important;
}

.obj_article_details .item.abstract {
    background: var(--ojs-bg-offset);
    border-left: 4px solid var(--ojs-primario);
    padding: 20px 30px;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 30px 0; font-size: var(--font-base); line-height: 1.7;
}

/* ---------------------------------------------------------
   10. CHECKLISTS Y DIRECTRICES
   --------------------------------------------------------- */
.submission_checklist ul, .cmp_submission_checklist ul {
    list-style: none !important; padding: 0 !important; display: grid !important; gap: 12px !important;
}

.submission_checklist li, .cmp_submission_checklist li {
    background-color: var(--ojs-bg-base) !important;
    border: 1px solid var(--ojs-borde) !important;
    border-radius: var(--radius-md) !important;
    padding: 20px 24px 20px 65px !important;
    position: relative !important;
    color: var(--ojs-texto-main) !important;
    font-size: var(--font-base) !important;
    transition: var(--transition-normal) !important;
}

.submission_checklist li:hover, .cmp_submission_checklist li:hover {
    transform: translateX(8px) !important;
    border-left: 4px solid var(--ojs-primario) !important;
    box-shadow: var(--ojs-shadow-sm) !important;
    padding-left: 61px !important;
}

.submission_checklist li::before, .cmp_submission_checklist li::before {
    content: "✓" !important;
    background: linear-gradient(135deg, var(--ojs-primario), var(--ojs-secundario)) !important;
    color: #fff !important; font-size: 14px !important;
    width: 26px !important; height: 26px !important;
    display: flex !important; align-items: center !important; justify-content: center !important;
    border-radius: 50% !important;
    position: absolute !important; left: 20px !important; top: 50% !important; transform: translateY(-50%) !important;
    transition: var(--transition-fast) !important;
}

.submission_checklist li:hover::before { transform: translateY(-50%) scale(1.1) rotate(10deg) !important; }

/* Directrices con Tipografía Editorial controlada */
.author_guidelines h3 {
    color: var(--ojs-texto-main) !important;
    font-family: 'Georgia', serif !important;
    font-size: var(--font-xl) !important;
    margin-top: 50px !important; margin-bottom: 25px !important;
    display: flex; align-items: center;
}
.author_guidelines h3::before {
    content: ''; display: inline-block; width: 10px; height: 10px;
    background: linear-gradient(45deg, var(--ojs-primario), var(--ojs-acento));
    border-radius: 2px; margin-right: 12px; transform: rotate(45deg);
}

.author_guidelines blockquote {
    background: var(--ojs-bg-offset) !important; border: none !important;
    padding: 30px 40px !important; margin: 40px 0 !important;
    border-radius: var(--radius-lg) !important;
    position: relative !important;
    font-size: var(--font-lg) !important; font-family: 'Georgia', serif !important; font-style: italic !important;
    box-shadow: inset 0 2px 10px rgba(0,0,0,0.02);
}
.author_guidelines blockquote::before {
    content: '"' !important; font-family: 'Georgia', serif !important; font-size: 80px !important;
    color: var(--ojs-secundario) !important; opacity: 0.2 !important;
    position: absolute !important; left: 15px !important; top: -10px !important; line-height: 1 !important;
}

/* ---------------------------------------------------------
   11. FOOTER (PIE DE PÁGINA)
   --------------------------------------------------------- */
.pkp_structure_footer, footer, .pkp_footer_content {
    background: var(--ojs-bg-offset) !important;
    border-top: 1px solid var(--ojs-borde) !important;
    padding: 50px 0 !important;
    color: var(--ojs-texto-muted) !important;
    font-size: var(--font-sm) !important;
    position: relative;
    margin-top: 50px !important;
}

.pkp_structure_footer::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px;
    background: linear-gradient(to right, var(--ojs-primario), var(--ojs-secundario), var(--ojs-primario));
    background-size: 200% 100%; animation: shimmer 5s linear infinite;
}

.pkp_structure_footer a {
    color: var(--ojs-texto-main) !important;
    font-weight: 600; text-decoration: none !important; transition: var(--transition-fast);
}

.pkp_structure_footer a:hover { color: var(--ojs-primario) !important; text-decoration: underline !important; }

/* ---------------------------------------------------------
   12. FLEXBOX ORDENAMIENTO (PÁGINA DE ENVÍOS)
   --------------------------------------------------------- */
.page_submissions { display: flex !important; flex-direction: column !important; }
.page_submissions .cmp_breadcrumbs, .page_submissions .page_header, .page_submissions > p { order: 1 !important; }
.page_submissions .submission_checklist, .page_submissions .cmp_submission_checklist { order: 2 !important; }
.page_submissions .author_guidelines { order: 3 !important; }
.page_submissions .copyright_notice { order: 4 !important; margin-top: 50px !important;}
.page_submissions .privacy_statement { order: 5 !important; margin-bottom: 50px !important;}