/* ============================================================
   RESIA — Revista de Educación Superior y Investigación Académica
   Tema: Ámbar Académico — v3.0
   Paleta: Dorado cálido + Crema + Carbón. Sin azul.
   OJS Bootstrap 3

   INSTALACIÓN:
   Admin → Ajustes del sitio web → Apariencia → Avanzado
   → CSS personalizado → pegar → Guardar → Cmd+Shift+R
   ============================================================ */


/* ============================================================
   TIPOGRAFÍAS
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@300;400;500;600;700&display=swap');


/* ============================================================
   VARIABLES
   ============================================================ */
:root {
  /* ── Ámbar / Dorado (color elefante) ── */
  --amber:        #F59E0B;
  --amber-dark:   #D97706;
  --amber-deeper: #B45309;
  --amber-light:  #FCD34D;
  --amber-pale:   #FEF3C7;
  --amber-bg:     #FFFBEB;

  /* ── Carbón (reemplaza todo el azul) ── */
  --charcoal:     #1C1917;   /* casi negro cálido */
  --charcoal-mid: #292524;
  --charcoal-soft:#44403C;
  --charcoal-mute:#78716C;

  /* ── Fondos cálidos (fondo del elefante) ── */
  --bg:           #FAF7F2;   /* crema muy suave */
  --bg-warm:      #F5EFE6;   /* crema más marcada */
  --surface:      #FFFFFF;
  --surface-2:    #FDFAF5;
  --surface-3:    #F5F0E8;

  /* ── Texto ── */
  --text:         #1C1917;
  --text-muted:   #57534E;
  --text-light:   #A8A29E;

  /* ── Bordes ── */
  --border:       #E7DDD0;
  --border-mid:   #D6C9B8;

  /* ── Sombras cálidas ── */
  --shadow-xs: 0 1px 2px rgba(92,60,20,.06);
  --shadow-sm: 0 1px 4px rgba(92,60,20,.09), 0 1px 2px rgba(92,60,20,.05);
  --shadow-md: 0 4px 14px rgba(92,60,20,.11), 0 2px 5px rgba(92,60,20,.07);
  --shadow-lg: 0 8px 28px rgba(92,60,20,.13), 0 3px 8px rgba(92,60,20,.08);
  --shadow-amber: 0 4px 16px rgba(245,158,11,.30);

  /* ── Tipografías ── */
  --font-serif: 'Playfair Display', 'Georgia', serif;
  --font-sans:  'Inter', 'Segoe UI', system-ui, sans-serif;

  /* ── Layout ── */
  --max-w:  1100px;
  --radius: 5px;
  --radius-md: 8px;
  --radius-lg: 12px;
}


/* ============================================================
   BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--amber-deeper);
  text-decoration: none;
  transition: color .18s ease;
}
a:hover { color: var(--amber-dark); text-decoration: underline; text-underline-offset: 2px; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-serif);
  color: var(--charcoal);
  line-height: 1.25;
}

/* Selección de texto */
::selection { background: rgba(245,158,11,.22); color: var(--charcoal); }


/* ============================================================
   BARRA ADMIN (admin 29 ▾)
   ============================================================ */
.pkp_structure_head,
#pkp_content_head {
  background: var(--charcoal) !important;
  border-bottom: 1px solid rgba(255,255,255,.06) !important;
}

.pkp_navigation_user { list-style: none; display: flex; align-items: center; gap: 4px; }
.pkp_navigation_user a {
  color: rgba(255,255,255,.65) !important;
  font-size: 13px; font-weight: 500;
  padding: 6px 12px; border-radius: var(--radius);
  transition: all .18s ease;
}
.pkp_navigation_user a:hover {
  color: var(--amber-light) !important;
  background: rgba(255,255,255,.08);
  text-decoration: none;
}


/* ============================================================
   NAVBAR PRINCIPAL
   ============================================================ */
.navbar,
.navbar-default,
.pkp_navigation_primary,
nav.navbar {
  background-color: var(--charcoal) !important;
  background-image: none !important;
  border: none !important;
  border-radius: 0 !important;
  box-shadow: 0 3px 12px rgba(0,0,0,.25) !important;
  margin-bottom: 0 !important;
  min-height: 80px !important;
  position: relative !important;
}

/* Línea ámbar inferior */
.navbar-default {
  border-bottom: 3px solid var(--amber) !important;
}

/* — LOGO — */
.navbar-default .navbar-brand,
.navbar-brand,
.navbar-header .navbar-brand {
  height: 80px !important;
  padding: 8px 24px 8px 20px !important;
  display: flex !important;
  align-items: center !important;
}

.navbar-brand img,
.navbar-header .navbar-brand img {
  height: 62px !important;
  width: auto !important;
  max-width: 280px !important;
  object-fit: contain !important;
  filter: drop-shadow(0 1px 4px rgba(0,0,0,.30)) !important;
  transition: opacity .2s ease, transform .2s ease !important;
}
.navbar-brand img:hover { opacity: .88 !important; transform: scale(1.02) !important; }

/* — LINKS DE NAVEGACIÓN — */
.navbar-default .navbar-nav > li > a,
.navbar-nav > li > a {
  color: rgba(255,255,255,.80) !important;
  font-family: var(--font-sans) !important;
  font-size: 13.5px !important;
  font-weight: 500 !important;
  letter-spacing: .02em !important;
  padding: 0 18px !important;
  height: 80px !important;
  display: flex !important;
  align-items: center !important;
  border-bottom: 3px solid transparent !important;
  margin-bottom: -3px !important;
  transition: color .18s ease, background .18s ease, border-color .18s ease !important;
  background: transparent !important;
}

.navbar-default .navbar-nav > li > a:hover,
.navbar-default .navbar-nav > li > a:focus {
  color: var(--amber-light) !important;
  border-bottom-color: var(--amber) !important;
  background: rgba(245,158,11,.08) !important;
  text-decoration: none !important;
}

.navbar-default .navbar-nav > .active > a,
.navbar-default .navbar-nav > .active > a:hover {
  color: var(--amber) !important;
  border-bottom-color: var(--amber) !important;
  background: rgba(245,158,11,.10) !important;
}

/* — DROPDOWN — */
.navbar-default .navbar-nav .open > a,
.navbar-default .navbar-nav .open > a:hover {
  background: rgba(245,158,11,.10) !important;
  color: var(--amber-light) !important;
}

.navbar-default .navbar-nav .dropdown-menu,
.navbar-nav .dropdown-menu {
  background: var(--charcoal-mid) !important;
  border: 1px solid rgba(255,255,255,.08) !important;
  border-top: 2px solid var(--amber) !important;
  border-radius: 0 0 var(--radius-md) var(--radius-md) !important;
  box-shadow: 0 10px 24px rgba(0,0,0,.35) !important;
  padding: 6px !important;
  min-width: 210px !important;
  margin-top: 0 !important;
}
.navbar-default .navbar-nav .dropdown-menu > li > a {
  color: rgba(255,255,255,.75) !important;
  font-size: 13px !important;
  padding: 9px 14px !important;
  border-radius: var(--radius) !important;
  transition: all .15s ease !important;
}
.navbar-default .navbar-nav .dropdown-menu > li > a:hover {
  background: rgba(245,158,11,.12) !important;
  color: var(--amber-light) !important;
  text-decoration: none !important;
}

/* — BUSCADOR — */
.navbar-form {
  padding: 0 !important; margin: 0 !important;
  display: flex !important; align-items: center !important;
  height: 80px !important;
}

.navbar-form .form-control,
.navbar-form input[type="search"],
.navbar-form input[type="text"] {
  background: rgba(255,255,255,.08) !important;
  border: 1px solid rgba(255,255,255,.18) !important;
  border-right: none !important;
  color: #fff !important;
  font-family: var(--font-sans) !important;
  font-size: 13px !important;
  height: 38px !important;
  width: 210px !important;
  padding: 0 14px !important;
  border-radius: var(--radius) 0 0 var(--radius) !important;
  outline: none !important;
  transition: all .2s ease !important;
}
.navbar-form .form-control::placeholder { color: rgba(255,255,255,.38) !important; }
.navbar-form .form-control:focus {
  background: rgba(255,255,255,.14) !important;
  border-color: var(--amber) !important;
  width: 250px !important;
  box-shadow: none !important;
}

/* Botón Buscar — ámbar sólido */
.navbar-form .btn,
.navbar-form button,
.navbar-form input[type="submit"] {
  background: var(--amber) !important;
  border: 1px solid var(--amber) !important;
  color: var(--charcoal) !important;
  font-family: var(--font-sans) !important;
  font-size: 12px !important;
  font-weight: 700 !important;
  letter-spacing: .07em !important;
  text-transform: uppercase !important;
  height: 38px !important;
  padding: 0 18px !important;
  border-radius: 0 var(--radius) var(--radius) 0 !important;
  cursor: pointer !important;
  transition: all .18s ease !important;
  white-space: nowrap !important;
}
.navbar-form .btn:hover {
  background: var(--amber-light) !important;
  border-color: var(--amber-light) !important;
  color: var(--charcoal) !important;
  transform: none !important;
}

.navbar-form .input-group { display: flex !important; }
.navbar-form .input-group-btn { display: flex !important; }

/* — HAMBURGER MÓVIL — */
.navbar-toggle {
  border: 1px solid rgba(255,255,255,.25) !important;
  border-radius: var(--radius) !important;
  margin: 22px 15px !important;
  padding: 8px 10px !important;
  transition: all .18s ease !important;
}
.navbar-toggle:hover { background: rgba(245,158,11,.15) !important; border-color: var(--amber) !important; }
.navbar-toggle .icon-bar { background: rgba(255,255,255,.80) !important; height: 2px !important; border-radius: 1px !important; }
.navbar-toggle:hover .icon-bar { background: var(--amber) !important; }

.navbar-collapse {
  border-top: 1px solid rgba(255,255,255,.06) !important;
  background: var(--charcoal) !important;
  box-shadow: none !important;
}


/* ============================================================
   ESTRUCTURA GENERAL
   ============================================================ */
.pkp_structure_content, #pkp_content_main { background: var(--bg); }
.pkp_structure_content > .pkp_structure_main,
.pkp_structure_content > .pkp_structure_sidebar { padding-top: 28px; }


/* ============================================================
   CONTENIDO PRINCIPAL — HOME
   ============================================================ */

/* Imagen de portada */
.pkp_page_index .pkp_structure_main > .pkp_block:first-child img,
.homepage_image img, .homepageImage img {
  width: 100%; height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: block;
}

/* Descripción de la revista */
.pkp_page_index .pkp_structure_main > p,
.pkp_page_index .pkp_structure_main > .description {
  font-family: var(--font-serif);
  font-size: 1.02rem;
  line-height: 1.82;
  color: var(--text-muted);
  font-style: italic;
  margin: 24px 0;
  padding: 20px 24px;
  border-left: 3px solid var(--amber);
  background: var(--amber-bg);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* Encabezados de sección */
.pkp_structure_main h2,
.pkp_structure_main > h2 {
  font-family: var(--font-serif);
  font-size: 1.30rem;
  font-weight: 700;
  color: var(--charcoal);
  margin: 36px 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border);
  position: relative;
}
.pkp_structure_main h2::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 44px; height: 2px;
  background: var(--amber);
}


/* ============================================================
   TARJETAS DE ARTÍCULOS
   ============================================================ */
.obj_article_summary {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s ease, border-color .2s ease, transform .2s ease;
  position: relative;
  overflow: hidden;
}
.obj_article_summary:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-mid);
  transform: translateY(-2px);
}

/* Acento ámbar izquierdo */
.obj_article_summary::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0; width: 3px;
  background: linear-gradient(180deg, var(--amber), var(--amber-dark));
  opacity: 0;
  transition: opacity .22s ease;
}
.obj_article_summary:hover::before { opacity: 1; }

/* Etiqueta de sección */
.obj_article_summary .section {
  display: inline-block;
  font-size: 10.5px; font-weight: 700;
  letter-spacing: .09em; text-transform: uppercase;
  color: var(--amber-deeper);
  background: var(--amber-pale);
  border: 1px solid #F6D77F;
  padding: 2px 10px; border-radius: 2px;
  margin-bottom: 10px;
}

/* Título */
.obj_article_summary .title {
  font-family: var(--font-serif);
  font-size: 1.06rem; font-weight: 700;
  line-height: 1.40; margin-bottom: 8px;
}
.obj_article_summary .title a { color: var(--charcoal) !important; text-decoration: none; }
.obj_article_summary .title a:hover { color: var(--amber-dark) !important; text-decoration: underline; }

/* Autores */
.obj_article_summary .authors {
  font-size: 13px; color: var(--text-muted);
  font-weight: 500; margin-bottom: 8px;
}

/* Abstract */
.obj_article_summary .abstract {
  font-size: 13.5px; color: var(--text-muted);
  line-height: 1.65; margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* DOI / páginas */
.obj_article_summary .pages,
.obj_article_summary .doi {
  font-size: 12px; color: var(--text-light); margin-bottom: 4px;
}
.obj_article_summary .doi a { color: var(--amber-deeper); font-weight: 600; }

/* Galley links */
.obj_article_summary .galley_links,
.obj_article_summary .download {
  display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px;
}
.obj_article_summary .galley_link,
.obj_article_summary .galley_links a {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
  padding: 4px 12px; border-radius: var(--radius);
  text-decoration: none !important;
  transition: filter .18s ease, transform .15s ease;
}
.obj_article_summary .galley_link:hover { filter: brightness(1.1); transform: translateY(-1px); }
.obj_article_summary .galley_link.pdf { background: #DC2626; color: #fff !important; }
.obj_article_summary .galley_link.html { background: var(--charcoal-soft); color: #fff !important; }


/* ============================================================
   NÚMERO ACTUAL
   ============================================================ */
.obj_issue_summary {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px; margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 28px; align-items: start;
}
.obj_issue_summary .cover {
  border-radius: var(--radius-md); overflow: hidden;
  box-shadow: var(--shadow-md); border: 1px solid var(--border);
}
.obj_issue_summary .cover img { width: 100%; height: auto; display: block; }

.obj_issue_summary .title {
  font-family: var(--font-serif);
  font-size: 1.38rem; font-weight: 700;
  color: var(--charcoal); line-height: 1.28; margin-bottom: 8px;
}
.obj_issue_summary .title a { color: inherit !important; text-decoration: none; }
.obj_issue_summary .title a:hover { color: var(--amber-dark) !important; }

.obj_issue_summary .meta {
  font-size: 13px; color: var(--text-light);
  margin-bottom: 12px; display: flex; gap: 16px; flex-wrap: wrap;
}
.obj_issue_summary .description {
  font-size: 14px; color: var(--text-muted); line-height: 1.70;
}


/* ============================================================
   TABLA DE CONTENIDOS
   ============================================================ */
.obj_issue_toc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.obj_issue_toc .section_title,
.obj_issue_toc > h2 {
  background: var(--surface-3);
  border-bottom: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  color: var(--charcoal);
  font-family: var(--font-sans);
  font-size: 11px; font-weight: 700;
  letter-spacing: .10em; text-transform: uppercase;
  padding: 10px 20px; margin: 0;
}
.obj_issue_toc .obj_article_summary {
  border-radius: 0; border-left: none; border-right: none;
  border-top: none; box-shadow: none; margin-bottom: 0;
  border-bottom: 1px solid var(--border);
  padding: 18px 20px;
}
.obj_issue_toc .obj_article_summary:last-child { border-bottom: none; }
.obj_issue_toc .obj_article_summary:hover { background: var(--surface-2); }
.obj_issue_toc .obj_article_summary::before { border-radius: 0; }


/* ============================================================
   SIDEBAR
   ============================================================ */
.pkp_structure_sidebar { padding-top: 28px; }

.pkp_block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0; margin-bottom: 16px;
  box-shadow: var(--shadow-xs);
  overflow: hidden;
}

/* Cabecera del bloque */
.pkp_block .pkp_block_title,
.pkp_block h2,
.pkp_block h3 {
  font-family: var(--font-sans) !important;
  font-size: 11px !important; font-weight: 700 !important;
  letter-spacing: .10em !important; text-transform: uppercase !important;
  color: var(--charcoal) !important;
  background: var(--amber-pale) !important;
  border-bottom: 2px solid var(--amber) !important;
  padding: 10px 16px !important;
  margin: 0 !important;
}

/* Lista de items */
.pkp_block ul { list-style: none; margin: 0; padding: 0; }
.pkp_block ul li { border-bottom: 1px solid var(--border); }
.pkp_block ul li:last-child { border-bottom: none; }
.pkp_block ul li a {
  display: block; padding: 9px 16px;
  font-size: 13px; color: var(--text-muted) !important;
  transition: all .15s ease; text-decoration: none !important;
}
.pkp_block ul li a:hover {
  background: var(--amber-bg);
  color: var(--charcoal) !important;
  padding-left: 20px;
  text-decoration: none !important;
}

.pkp_block p, .pkp_block > div:not(.pkp_block_title) {
  padding: 12px 16px; font-size: 13px;
  color: var(--text-muted); line-height: 1.6;
}

/* Input búsqueda sidebar */
.pkp_block .search_input,
.pkp_block input[type="text"],
.pkp_block input[type="search"] {
  width: 100%; border: none;
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
  font-size: 13px; font-family: var(--font-sans);
  color: var(--text); background: var(--surface);
  outline: none; transition: border-color .18s ease;
}
.pkp_block .search_input:focus { border-bottom-color: var(--amber); }

/* RSS badges */
.pkp_block img[src*="atom"],
.pkp_block img[src*="rss"] {
  height: 18px; border-radius: 2px;
  margin: 10px 16px; display: block;
  opacity: .65; transition: opacity .18s;
}
.pkp_block img[src*="atom"]:hover,
.pkp_block img[src*="rss"]:hover { opacity: .95; }


/* ============================================================
   PÁGINA DE ARTÍCULO
   ============================================================ */
.obj_article_details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 48px;
  box-shadow: var(--shadow-sm);
  max-width: 820px; margin: 0 auto;
}

.obj_article_details .section {
  display: inline-block;
  font-size: 10.5px; font-weight: 700;
  letter-spacing: .10em; text-transform: uppercase;
  color: var(--amber-deeper);
  background: var(--amber-pale);
  border: 1px solid #F6D77F;
  padding: 3px 12px; border-radius: 2px; margin-bottom: 16px;
}

.obj_article_details .page_title,
.obj_article_details h1 {
  font-family: var(--font-serif);
  font-size: 1.88rem; font-weight: 700;
  color: var(--charcoal); line-height: 1.24;
  letter-spacing: -.01em; margin-bottom: 20px;
}

.obj_article_details .authors {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-bottom: 20px; padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.obj_article_details .author {
  font-size: 14px; font-weight: 600; color: var(--charcoal-soft);
}
.obj_article_details .author .affiliation {
  font-weight: 400; font-size: 12.5px;
  color: var(--text-light); display: block;
}

.obj_article_details .published,
.obj_article_details .doi,
.obj_article_details .pages {
  font-size: 12.5px; color: var(--text-light); margin-bottom: 5px;
}
.obj_article_details .doi a { color: var(--amber-deeper); font-weight: 600; }

/* Galley downloads */
.obj_article_details .galley_links,
.obj_article_details .download {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin: 20px 0; padding: 16px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.obj_article_details .galley_link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
  padding: 8px 18px; border-radius: var(--radius);
  text-decoration: none !important;
  transition: filter .18s ease, transform .15s ease;
}
.obj_article_details .galley_link:hover { filter: brightness(1.1); transform: translateY(-1px); }
.obj_article_details .galley_link.pdf { background: #DC2626; color: #fff !important; }
.obj_article_details .galley_link.html { background: var(--charcoal-soft); color: #fff !important; }

/* Abstract */
.obj_article_details .abstract {
  margin: 24px 0; padding: 20px 24px;
  background: var(--amber-bg);
  border-left: 3px solid var(--amber);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.obj_article_details .abstract > h2,
.obj_article_details .abstract > h3 {
  font-family: var(--font-sans);
  font-size: 10.5px; font-weight: 700;
  letter-spacing: .10em; text-transform: uppercase;
  color: var(--amber-dark); margin-bottom: 10px;
}
.obj_article_details .abstract p,
.obj_article_details .abstract > div {
  font-family: 'Georgia', serif;
  font-size: 15px; line-height: 1.82; color: var(--text-muted);
}

/* Keywords */
.obj_article_details .keywords {
  margin: 16px 0; display: flex;
  flex-wrap: wrap; align-items: center; gap: 6px;
}
.obj_article_details .keywords .label {
  font-size: 11px; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
  color: var(--text-light); margin-right: 4px;
}
.obj_article_details .keyword,
.obj_article_details .keywords span {
  font-size: 12px; font-weight: 500;
  color: var(--amber-deeper);
  background: var(--amber-pale);
  border: 1px solid #F6D77F;
  padding: 3px 10px; border-radius: 2px;
}

/* Cómo citar */
.obj_article_details .citation,
.obj_article_details .how_to_cite {
  margin: 20px 0; padding: 14px 18px;
  background: var(--surface-3);
  border: 1px dashed var(--border-mid);
  border-radius: var(--radius-md);
  font-family: 'Courier New', monospace;
  font-size: 12.5px; color: var(--text-muted); line-height: 1.65;
}


/* ============================================================
   BOTONES
   ============================================================ */
.pkp_button,
.btn-primary,
input[type="submit"],
button[type="submit"] {
  display: inline-flex; align-items: center;
  justify-content: center; gap: 6px;
  background: var(--amber) !important;
  color: var(--charcoal) !important;
  font-family: var(--font-sans) !important;
  font-size: 13px !important; font-weight: 700 !important;
  letter-spacing: .04em !important;
  padding: 9px 22px !important;
  border: 1px solid var(--amber) !important;
  border-radius: var(--radius-md) !important;
  cursor: pointer !important; text-decoration: none !important;
  transition: all .18s ease !important;
  box-shadow: 0 1px 3px rgba(0,0,0,.10) !important;
}
.pkp_button:hover,
.btn-primary:hover,
input[type="submit"]:hover,
button[type="submit"]:hover {
  background: var(--amber-dark) !important;
  border-color: var(--amber-dark) !important;
  color: #fff !important;
  transform: translateY(-1px) !important;
  box-shadow: var(--shadow-amber) !important;
  text-decoration: none !important;
}

.btn-secondary {
  background: var(--surface) !important;
  color: var(--charcoal) !important;
  border: 1px solid var(--border-mid) !important;
}
.btn-secondary:hover {
  background: var(--surface-3) !important;
  border-color: var(--amber) !important;
}


/* ============================================================
   FORMULARIOS
   ============================================================ */
.form-control,
input[type="text"], input[type="email"],
input[type="password"], input[type="search"],
input[type="url"], select, textarea {
  font-family: var(--font-sans); font-size: 14px;
  color: var(--text); background: var(--surface);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  transition: border-color .18s ease, box-shadow .18s ease;
  outline: none;
}
.form-control:focus, input:focus, select:focus, textarea:focus {
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(245,158,11,.15);
}

label {
  font-size: 13px; font-weight: 600;
  color: var(--charcoal-soft); margin-bottom: 5px; display: block;
}


/* ============================================================
   PAGINACIÓN
   ============================================================ */
.pkp_nav_page, .cmp_pagination, .pagination {
  display: flex; justify-content: center;
  align-items: center; gap: 4px;
  margin: 32px 0; flex-wrap: wrap;
}
.pkp_nav_page a, .cmp_pagination a, .pagination a {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 36px; height: 36px; padding: 0 10px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted) !important; font-size: 13px; font-weight: 500;
  text-decoration: none !important; transition: all .18s ease;
}
.pkp_nav_page a:hover {
  background: var(--amber); border-color: var(--amber);
  color: var(--charcoal) !important;
}
.pkp_nav_page .current, .cmp_pagination .current {
  background: var(--amber); border-color: var(--amber);
  color: var(--charcoal) !important; font-weight: 700;
}


/* ============================================================
   ALERTAS
   ============================================================ */
.pkp_notification, .alert {
  padding: 12px 16px; border-radius: var(--radius-md);
  font-size: 13.5px; margin-bottom: 16px; border: 1px solid transparent;
}
.pkp_notification.success, .alert-success { background: #F0FDF4; border-color: #86EFAC; color: #166534; }
.pkp_notification.warning, .alert-warning { background: #FFFBEB; border-color: #FCD34D; color: #92400E; }
.pkp_notification.error, .alert-danger    { background: #FEF2F2; border-color: #FCA5A5; color: #991B1B; }
.pkp_notification.info, .alert-info       { background: #FFFBEB; border-color: #F59E0B; color: #78350F; }

/* ============================================================
   TABLAS
   ============================================================ */
table {
  width: 100%; border-collapse: collapse;
  font-size: 13.5px; background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md); overflow: hidden;
}
thead { background: var(--charcoal); }
thead th {
  color: #fff; font-size: 11px; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase;
  padding: 10px 14px; text-align: left;
}
tbody tr { border-bottom: 1px solid var(--border); transition: background .12s; }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--amber-bg); }
tbody td { padding: 10px 14px; color: var(--text-muted); }


/* ============================================================
   FOOTER
   ============================================================ */
.pkp_structure_footer,
footer,
#pkp_content_footer {
  background: var(--charcoal) !important;
  color: rgba(255,255,255,.70) !important;
  padding: 52px 0 28px !important;
  margin-top: 52px !important;
  border-top: 3px solid var(--amber) !important;
}

/* Contenedor */
.pkp_structure_footer .pkp_footer_wrapper {
  max-width: var(--max-w);
  margin: 0 auto; padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

/* Títulos de columna */
.pkp_structure_footer h2,
.pkp_structure_footer h3,
.pkp_structure_footer .pkp_block_title {
  font-family: var(--font-sans) !important;
  font-size: 10.5px !important; font-weight: 700 !important;
  letter-spacing: .12em !important; text-transform: uppercase !important;
  color: var(--amber) !important;
  margin-bottom: 14px !important; padding-bottom: 10px !important;
  border-bottom: 1px solid rgba(245,158,11,.20) !important;
}

/* Links */
.pkp_structure_footer a {
  color: rgba(255,255,255,.65) !important;
  font-size: 13px !important; text-decoration: none !important;
  display: inline-block !important; margin-bottom: 7px !important;
  transition: color .15s ease !important;
}
.pkp_structure_footer a:hover { color: var(--amber) !important; text-decoration: none !important; }

/* Texto */
.pkp_structure_footer p,
.pkp_structure_footer span:not(.separator),
.pkp_structure_footer li {
  color: rgba(255,255,255,.60) !important;
  font-size: 13px !important; line-height: 1.65 !important;
}

/* Barra de copyright */
.pkp_footer_link,
.pkp_structure_footer .footer_bottom {
  max-width: var(--max-w);
  margin: 32px auto 0 !important;
  padding: 18px 24px 0 !important;
  border-top: 1px solid rgba(255,255,255,.06) !important;
  font-size: 12px !important; color: rgba(255,255,255,.35) !important;
  display: flex !important; justify-content: space-between !important;
  align-items: center !important; flex-wrap: wrap !important; gap: 10px !important;
}

/* ── OCULTAR LOGO OJS/PKP ── */
.pkp_brand_footer, .pkp_footer_brand, .pkp_powered_by,
a[href*="pkp.sfu.ca"], a[href*="publicknowledgeproject"],
img[src*="pkp"], img[alt*="PKP"], img[alt*="OJS"],
[class*="pkp_brand"], .pkp_footer_link img,
.pkp_footer_link > a:has(img) {
  display: none !important;
}

/* Logos de indexación */
.pkp_structure_footer img:not([src*="pkp"]):not([alt*="PKP"]) {
  height: 26px; width: auto; opacity: .55;
  filter: grayscale(10%) brightness(1.15);
  transition: opacity .2s ease; border-radius: 2px;
}
.pkp_structure_footer img:not([src*="pkp"]):hover { opacity: .88; }


/* ============================================================
   RESPONSIVE — Tablet ≤ 1024px
   ============================================================ */
@media (max-width: 1024px) {
  .obj_issue_summary { grid-template-columns: 150px 1fr; gap: 20px; padding: 20px; }
  .obj_article_details { padding: 28px 32px; }
  .pkp_structure_footer .pkp_footer_wrapper { grid-template-columns: repeat(2,1fr); gap: 28px; }
}


/* ============================================================
   RESPONSIVE — Móvil ≤ 768px
   ============================================================ */
@media (max-width: 768px) {
  .navbar, .navbar-default { min-height: 64px !important; }
  .navbar-default .navbar-brand, .navbar-brand { height: 64px !important; padding: 6px 14px !important; }
  .navbar-brand img { height: 46px !important; }

  .navbar-default .navbar-nav > li > a {
    height: auto !important; padding: 12px 16px !important;
    border-bottom: 1px solid rgba(255,255,255,.06) !important;
    border-left: 3px solid transparent !important;
  }
  .navbar-default .navbar-nav > li > a:hover {
    border-left-color: var(--amber) !important;
    border-bottom: 1px solid rgba(255,255,255,.06) !important;
  }

  .navbar-form {
    flex-wrap: wrap; height: auto !important;
    padding: 10px 12px !important;
  }
  .navbar-form .form-control {
    width: 100% !important; border-right: 1px solid rgba(255,255,255,.18) !important;
    border-radius: var(--radius) !important; margin-bottom: 6px;
  }
  .navbar-form .btn { border-radius: var(--radius) !important; width: 100%; }

  .obj_issue_summary { grid-template-columns: 1fr; text-align: center; }
  .obj_issue_summary .cover { max-width: 160px; margin: 0 auto; }
  .obj_issue_summary .meta { justify-content: center; }

  .obj_article_details { padding: 20px 16px; max-width: 100%; }

  .pkp_structure_footer .pkp_footer_wrapper { grid-template-columns: 1fr; gap: 24px; }
  .pkp_footer_link { flex-direction: column; text-align: center; }

  .pkp_structure_sidebar { width: 100% !important; max-width: 100% !important; }
}

@media (max-width: 480px) {
  .obj_article_details { padding: 16px 14px; }
  .obj_article_details .page_title, .obj_article_details h1 { font-size: 1.48rem; }
}


/* ============================================================
   PRINT
   ============================================================ */
@media print {
  .navbar, .pkp_structure_head, .pkp_structure_sidebar,
  .pkp_structure_footer, .galley_links, .pkp_button { display: none !important; }
  body { font-size: 11pt; color: #000; background: #fff; }
  .obj_article_details { box-shadow: none; border: none; padding: 0; max-width: 100%; }
}


/* ============================================================
   ACCESIBILIDAD
   ============================================================ */
:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px; border-radius: var(--radius);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}

::-webkit-scrollbar { width: 7px; height: 7px; }
::-webkit-scrollbar-track { background: var(--surface-3); }
::-webkit-scrollbar-thumb { background: var(--border-mid); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--amber-dark); }


/* ============================================================
   FIN — RESIA Ámbar Académico v3.0

   PALETA (sin azul):
   Ámbar         #F59E0B   — color elefante, acciones, hovers
   Ámbar oscuro  #D97706   — hover ámbar
   Ámbar deep    #B45309   — links, texto acento
   Ámbar pálido  #FEF3C7   — fondos de badges, abstract
   Carbón        #1C1917   — navbar, footer, texto oscuro
   Crema BG      #FAF7F2   — fondo general (fondo del elefante)
   Blanco        #FFFFFF   — cards, superficies

   TIPOGRAFÍAS:
   Títulos   → Playfair Display (serif académica elegante)
   Cuerpo    → Inter (sans-serif moderna)
   ============================================================ */