/* ==========================================================
   HITOS EDUCATIVOS — Plantilla institucional para OJS 3
   Paleta: índigo, azul profundo, violeta, dorado y gris claro
   ========================================================== */

:root {
  --he-indigo: #43277d;
  --he-violet: #5b3a98;
  --he-blue: #123f7a;
  --he-cyan: #4e9ed4;
  --he-gold: #c9a54d;
  --he-text: #1f2937;
  --he-muted: #5f6877;
  --he-bg: #f8f9fb;
  --he-surface: #ffffff;
  --he-footer: #eef0f4;
  --he-border: #dfe3ea;
}

/* Base */
html {
  scroll-behavior: smooth;
}

body {
  color: var(--he-text);
  background: var(--he-bg);
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

a {
  color: var(--he-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover,
a:focus {
  color: var(--he-violet);
  text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--he-indigo);
  font-weight: 750;
  line-height: 1.25;
}

/* Contenedor general */
.pkp_structure_page {
  max-width: 1600px;
  margin: 0 auto;
  background: var(--he-surface);
  box-shadow: 0 0 28px rgba(31, 41, 55, 0.08);
}

/* Cabecera */
.pkp_structure_head {
  background: #f8f9fb;
  border-top: 5px solid var(--he-indigo);
  border-bottom: 1px solid var(--he-border);
}

.pkp_site_name {
  padding-top: 18px;
  padding-bottom: 14px;
}

.pkp_site_name .is_img img {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 190px;
  margin: 0 auto;
}

.pkp_site_name_wrapper,
.pkp_navigation_primary_row,
.pkp_navigation_user_wrapper {
  background: transparent;
}

/* Navegación principal */
.pkp_navigation_primary_row {
  background: var(--he-indigo);
  border-top: 3px solid var(--he-gold);
}

.pkp_navigation_primary {
  padding-left: 18px;
}

.pkp_navigation_primary > li > a,
.pkp_navigation_primary > li > a:visited {
  padding-top: 13px;
  padding-bottom: 13px;
  color: #ffffff;
  font-weight: 650;
  border-bottom: 3px solid transparent;
}

.pkp_navigation_primary > li > a:hover,
.pkp_navigation_primary > li > a:focus {
  color: #ffffff;
  text-decoration: none;
  border-bottom-color: var(--he-gold);
}

.pkp_navigation_primary ul {
  background: #ffffff;
  border: 1px solid var(--he-border);
  border-top: 4px solid var(--he-gold);
  box-shadow: 0 8px 22px rgba(31, 41, 55, 0.14);
}

.pkp_navigation_primary ul a {
  color: var(--he-text);
}

.pkp_navigation_primary ul a:hover,
.pkp_navigation_primary ul a:focus {
  color: var(--he-indigo);
  background: #f3f1f8;
  text-decoration: none;
}

/* Navegación de usuario y búsqueda */
.pkp_navigation_user > li > a,
.pkp_navigation_user > li > a:visited {
  color: var(--he-indigo);
  font-weight: 600;
}

.pkp_navigation_user > li > a:hover,
.pkp_navigation_user > li > a:focus {
  color: var(--he-blue);
}

.pkp_search_desktop {
  color: #ffffff;
}

.pkp_search_desktop:hover,
.pkp_search_desktop:focus {
  color: var(--he-gold);
}

/* Ruta de navegación */
.cmp_breadcrumbs {
  margin-top: 18px;
  color: var(--he-muted);
  font-size: 14px;
}

/* Contenido principal */
.pkp_structure_content {
  padding-top: 24px;
  padding-bottom: 38px;
}

.pkp_structure_main {
  color: var(--he-text);
}

.page h1,
.page_about h1,
.page_issue h1,
.page_article h1 {
  padding-bottom: 12px;
  color: var(--he-indigo);
  border-bottom: 3px solid var(--he-gold);
}

.page p {
  text-align: left;
}

/* Imagen de inicio */
.homepage_image img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 5px;
  box-shadow: 0 8px 24px rgba(31, 41, 55, 0.10);
}

.homepage_about {
  margin-top: 26px;
  padding: 24px 26px;
  background: #f6f7fb;
  border-left: 6px solid var(--he-gold);
  border-radius: 0 5px 5px 0;
}

/* Número actual */
.current_issue {
  margin-top: 30px;
  padding-top: 6px;
}

.current_issue h2 {
  padding: 12px 18px;
  color: #ffffff;
  background: var(--he-indigo);
  border-left: 7px solid var(--he-gold);
  font-size: 22px;
}

.obj_issue_toc .heading {
  padding-bottom: 20px;
  border-bottom: 1px solid var(--he-border);
}

.obj_issue_toc .cover img,
.obj_issue_summary .cover img {
  border: 1px solid var(--he-border);
  border-radius: 3px;
  box-shadow: 0 8px 20px rgba(31, 41, 55, 0.12);
}

.obj_issue_toc .section > h2,
.obj_issue_toc .section > h3 {
  padding: 10px 14px;
  color: var(--he-indigo);
  background: #f3f1f8;
  border-left: 5px solid var(--he-violet);
}

/* Artículos */
.obj_article_summary {
  margin-bottom: 12px;
  padding: 19px 20px;
  background: #ffffff;
  border: 1px solid var(--he-border);
  border-left: 4px solid var(--he-violet);
  border-radius: 4px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.obj_article_summary:hover {
  transform: translateY(-1px);
  box-shadow: 0 7px 18px rgba(31, 41, 55, 0.08);
}

.obj_article_summary .title a {
  color: var(--he-indigo);
  font-weight: 750;
}

.obj_article_summary .authors {
  color: var(--he-muted);
}

.obj_article_summary .pages,
.obj_article_summary .published {
  color: var(--he-muted);
  font-size: 14px;
}

/* Botones */
.cmp_button,
.pkp_button,
button,
input[type="button"],
input[type="submit"] {
  color: #ffffff !important;
  background: var(--he-indigo) !important;
  border: 1px solid var(--he-indigo) !important;
  border-radius: 4px;
  font-weight: 700;
  box-shadow: none;
}

.cmp_button:hover,
.cmp_button:focus,
.pkp_button:hover,
.pkp_button:focus,
button:hover,
button:focus,
input[type="button"]:hover,
input[type="submit"]:hover {
  color: #ffffff !important;
  background: var(--he-blue) !important;
  border-color: var(--he-blue) !important;
  text-decoration: none;
}

/* Formularios */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
input[type="search"],
select,
textarea {
  color: var(--he-text);
  background: #ffffff;
  border: 1px solid #cfd5df;
  border-radius: 4px;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--he-violet);
  box-shadow: 0 0 0 3px rgba(91, 58, 152, 0.14);
  outline: 0;
}

/* Barra lateral */
.pkp_structure_sidebar {
  color: var(--he-text);
}

.pkp_block {
  margin-bottom: 22px;
  padding: 18px;
  background: #f7f8fa;
  border: 1px solid var(--he-border);
  border-top: 4px solid var(--he-violet);
  border-radius: 4px;
}

.pkp_block .title {
  color: var(--he-indigo);
  font-weight: 750;
}

/* Etiquetas y avisos */
.cmp_notification,
.pkp_notification {
  border-left: 5px solid var(--he-gold);
  border-radius: 4px;
}

.label,
.badge {
  color: #ffffff;
  background: var(--he-violet);
}

/* Pie de página */
.pkp_structure_footer_wrapper {
  color: var(--he-text);
  background: var(--he-footer);
  border-top: 5px solid var(--he-violet);
}

.pkp_structure_footer {
  padding-top: 25px;
  padding-bottom: 20px;
}

.pkp_structure_footer a {
  color: var(--he-blue);
}

.pkp_brand_footer {
  margin-top: 16px;
  opacity: 0.78;
}

/* Accesibilidad */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--he-gold);
  outline-offset: 2px;
}

/* Tabletas y móviles */
@media (max-width: 991px) {
  .pkp_site_name {
    padding: 12px 15px;
  }

  .pkp_site_name .is_img img {
    max-height: 130px;
  }

  .pkp_navigation_primary_row {
    border-top-width: 2px;
  }

  .homepage_about {
    padding: 20px;
  }
}

@media (max-width: 767px) {
  body {
    font-size: 15px;
  }

  .pkp_structure_page {
    box-shadow: none;
  }

  .pkp_site_name .is_img img {
    max-height: 95px;
  }

  .pkp_navigation_primary_row,
  .pkp_navigation_user_wrapper {
    background: var(--he-indigo);
  }

  .pkp_navigation_primary > li > a,
  .pkp_navigation_user > li > a {
    color: #ffffff;
  }

  .pkp_structure_content {
    padding-top: 15px;
  }

  .homepage_image img {
    border-radius: 2px;
  }

  .homepage_about,
  .obj_article_summary,
  .pkp_block {
    padding: 16px;
  }

  .current_issue h2 {
    font-size: 19px;
  }
}

/* Impresión */
@media print {
  .pkp_structure_head,
  .pkp_structure_sidebar,
  .pkp_structure_footer_wrapper {
    display: none;
  }

  body,
  .pkp_structure_page {
    color: #000000;
    background: #ffffff;
    box-shadow: none;
  }
}