/* ============================================
   JSEC - Journal of Software Engineering and Computing
   Custom Theme CSS - OJS Bootstrap 3 / Flatly
   Tema: Negro + Blanco + Azul Tecnológico
   ============================================ */

/* === VARIABLES GLOBALES === */
:root {
  --jsec-black: #0a0a0a;
  --jsec-dark: #1a1a2e;
  --jsec-blue: #0077cc;
  --jsec-blue-light: #00a8ff;
  --jsec-blue-glow: rgba(0, 119, 204, 0.4);
  --jsec-blue-glow-soft: rgba(0, 168, 255, 0.15);
  --jsec-white: #ffffff;
  --jsec-gray-light: #f4f6f9;
  --jsec-gray: #e2e8f0;
  --jsec-gray-medium: #94a3b8;
  --jsec-text: #1e293b;
  --jsec-text-light: #64748b;
  --jsec-radius: 12px;
  --jsec-radius-lg: 16px;
  --jsec-radius-sm: 8px;
  --jsec-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --jsec-shadow-blue: 0 4px 25px rgba(0, 119, 204, 0.15);
  --jsec-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* === RESET Y BASE === */
body {
  background-color: var(--jsec-white) !important;
  color: var(--jsec-text) !important;
  font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif !important;
  line-height: 1.7 !important;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* === NAVBAR / HEADER === */
.navbar,
.navbar-default,
header .navbar {
  background: linear-gradient(135deg, #050810 0%, #08122a 40%, #0c1a3a 100%) !important;
  border: none !important;
  border-bottom: 2px solid var(--jsec-blue-light) !important;
  box-shadow: 0 2px 20px rgba(0, 119, 204, 0.3), 0 1px 0 rgba(0, 168, 255, 0.4) !important;
  border-radius: 0 !important;
  padding: 8px 0 !important;
  min-height: 65px !important;
  transition: var(--jsec-transition);
}

/* Logo / Brand - más grande */
.navbar-default .navbar-brand,
.navbar-default .navbar-brand:hover,
.navbar-default .navbar-brand:focus {
  color: var(--jsec-white) !important;
  font-weight: 700 !important;
  letter-spacing: 0.5px;
  padding: 8px 15px !important;
  height: auto !important;
}

.navbar-brand img,
.navbar-default .navbar-brand img,
header .navbar-brand img,
.navbar-header img {
  max-height: 60px !important;
  height: 60px !important;
  width: auto !important;
  object-fit: contain !important;
}

.navbar-default .navbar-nav > li > a {
  color: rgba(255, 255, 255, 0.85) !important;
  font-weight: 500 !important;
  font-size: 16px !important;
  padding: 18px 20px !important;
  border-radius: var(--jsec-radius-sm) !important;
  transition: var(--jsec-transition) !important;
  position: relative;
}

.navbar-default .navbar-nav > li > a:hover,
.navbar-default .navbar-nav > li > a:focus {
  color: var(--jsec-white) !important;
  background-color: rgba(0, 119, 204, 0.2) !important;
  text-shadow: 0 0 8px rgba(0, 168, 255, 0.5);
}

.navbar-default .navbar-nav > .active > a,
.navbar-default .navbar-nav > .active > a:hover {
  background-color: var(--jsec-blue) !important;
  color: var(--jsec-white) !important;
  border-radius: var(--jsec-radius-sm) !important;
  box-shadow: 0 0 12px var(--jsec-blue-glow);
}

/* Efecto de línea azul debajo del enlace activo */
.navbar-default .navbar-nav > li > a::after {
  content: '';
  position: absolute;
  bottom: 5px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60%;
  height: 2px;
  background: var(--jsec-blue-light);
  border-radius: 2px;
  transition: transform 0.3s ease;
  box-shadow: 0 0 6px var(--jsec-blue-glow);
}

.navbar-default .navbar-nav > li > a:hover::after {
  transform: translateX(-50%) scaleX(1);
}

/* Dropdown menus */
.navbar-default .navbar-nav > .open > a,
.navbar-default .navbar-nav > .open > a:hover,
.navbar-default .navbar-nav > .open > a:focus {
  background-color: rgba(0, 119, 204, 0.3) !important;
  color: var(--jsec-white) !important;
}

.dropdown-menu {
  background: linear-gradient(135deg, #050810, #0c1a3a) !important;
  border: 1px solid rgba(0, 119, 204, 0.3) !important;
  border-radius: var(--jsec-radius) !important;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 15px var(--jsec-blue-glow) !important;
  padding: 8px !important;
  margin-top: 5px !important;
  overflow: visible !important;
}

.dropdown-menu > li > a {
  color: rgba(255, 255, 255, 0.85) !important;
  padding: 10px 20px !important;
  border-radius: var(--jsec-radius-sm) !important;
  transition: var(--jsec-transition) !important;
}

.dropdown-menu > li > a:hover {
  background-color: var(--jsec-blue) !important;
  color: var(--jsec-white) !important;
}

/* Botón búsqueda */
.navbar-default .navbar-form .form-control {
  background-color: rgba(255, 255, 255, 0.1) !important;
  border: 1px solid rgba(0, 119, 204, 0.3) !important;
  border-radius: var(--jsec-radius-sm) !important;
  color: var(--jsec-white) !important;
  transition: var(--jsec-transition);
}

.navbar-default .navbar-form .form-control:focus {
  border-color: var(--jsec-blue) !important;
  box-shadow: 0 0 10px var(--jsec-blue-glow) !important;
  background-color: rgba(255, 255, 255, 0.15) !important;
}

.navbar-default .navbar-form .btn {
  background-color: var(--jsec-blue) !important;
  border: none !important;
  border-radius: var(--jsec-radius-sm) !important;
  color: var(--jsec-white) !important;
  transition: var(--jsec-transition);
}

.navbar-default .navbar-form .btn:hover {
  background-color: var(--jsec-blue-light) !important;
  box-shadow: 0 0 15px var(--jsec-blue-glow);
}

/* === HEADER BANNER / IMAGEN === */
.homepage-image,
header .container img,
.pkp_structure_head .pkp_head_wrapper {
  border-radius: var(--jsec-radius-lg) !important;
  overflow: hidden;
}

/* === CONTENIDO PRINCIPAL === */
.pkp_structure_main,
main,
.container {
  background-color: var(--jsec-white) !important;
}

/* === PANELES Y TARJETAS === */
.panel,
.well,
.pkp_block {
  background-color: var(--jsec-white) !important;
  border: 1px solid var(--jsec-gray) !important;
  border-radius: var(--jsec-radius-lg) !important;
  box-shadow: var(--jsec-shadow) !important;
  transition: var(--jsec-transition);
  overflow: visible !important;
}

.panel:hover,
.well:hover,
.pkp_block:hover {
  border-color: rgba(0, 119, 204, 0.3) !important;
  box-shadow: var(--jsec-shadow-blue) !important;
  transform: translateY(-2px);
}

.panel-heading,
.panel-default > .panel-heading {
  background: linear-gradient(135deg, #050810 0%, #08122a 40%, #0c1a3a 100%) !important;
  color: var(--jsec-white) !important;
  border-bottom: 2px solid var(--jsec-blue-light) !important;
  border-radius: var(--jsec-radius-lg) var(--jsec-radius-lg) 0 0 !important;
  padding: 14px 20px !important;
  font-weight: 600 !important;
}

/* Asegurar que TODO el texto dentro de panel-heading sea blanco */
.panel-heading h1,
.panel-heading h2,
.panel-heading h3,
.panel-heading h4,
.panel-heading h5,
.panel-heading h6,
.panel-heading a,
.panel-heading span,
.panel-heading p,
.panel-heading .panel-title,
.panel-default > .panel-heading h1,
.panel-default > .panel-heading h2,
.panel-default > .panel-heading h3,
.panel-default > .panel-heading h4,
.panel-default > .panel-heading a,
.panel-default > .panel-heading span {
  color: var(--jsec-white) !important;
}

.panel-heading a:hover {
  color: var(--jsec-blue-light) !important;
}

.panel-body {
  padding: 20px !important;
}

.panel-default {
  border-color: var(--jsec-gray) !important;
}

/* === SIDEBAR === */
.pkp_block .title,
.pkp_block h2,
.pkp_block h3 {
  color: var(--jsec-black) !important;
  font-weight: 700 !important;
  font-size: 16px !important;
  padding-bottom: 10px !important;
  border-bottom: 2px solid var(--jsec-blue) !important;
  margin-bottom: 15px !important;
}

.pkp_block ul {
  list-style: none !important;
  padding: 0 !important;
}

.pkp_block ul li {
  padding: 8px 0 !important;
  border-bottom: 1px solid var(--jsec-gray) !important;
}

.pkp_block ul li:last-child {
  border-bottom: none !important;
}

.pkp_block ul li a {
  color: var(--jsec-text) !important;
  text-decoration: none !important;
  transition: var(--jsec-transition);
}

.pkp_block ul li a:hover {
  color: var(--jsec-blue) !important;
  padding-left: 5px !important;
}

/* === SIDEBAR - Portada de la revista === */
.pkp_block .obj_issue_summary .cover img,
.pkp_block > img,
.pkp_block .content img,
.current_issue_block img {
  border-radius: var(--jsec-radius) !important;
  box-shadow: var(--jsec-shadow) !important;
  transition: var(--jsec-transition);
  border: 2px solid var(--jsec-gray) !important;
}

.pkp_block .obj_issue_summary .cover img:hover,
.pkp_block > img:hover,
.pkp_block .content img:hover {
  box-shadow: var(--jsec-shadow-blue) !important;
  border-color: var(--jsec-blue) !important;
  transform: scale(1.02);
}

/* === BOTONES === */
.btn,
.btn-default,
.btn-primary,
a.btn {
  border-radius: var(--jsec-radius-sm) !important;
  font-weight: 600 !important;
  letter-spacing: 0.3px !important;
  transition: var(--jsec-transition) !important;
  border: none !important;
  padding: 10px 24px !important;
  text-transform: none !important;
}

.btn-primary,
.pkp_button,
a.btn-primary {
  background-color: var(--jsec-blue) !important;
  color: var(--jsec-white) !important;
  box-shadow: 0 2px 10px rgba(0, 119, 204, 0.3) !important;
}

.btn-primary:hover,
.pkp_button:hover,
a.btn-primary:hover {
  background-color: var(--jsec-blue-light) !important;
  box-shadow: 0 4px 20px var(--jsec-blue-glow) !important;
  transform: translateY(-2px) !important;
}

.btn-default {
  background-color: var(--jsec-gray-light) !important;
  color: var(--jsec-text) !important;
  border: 1px solid var(--jsec-gray) !important;
}

.btn-default:hover {
  background-color: var(--jsec-gray) !important;
  border-color: var(--jsec-blue) !important;
  color: var(--jsec-blue) !important;
}

/* Botón "Make a Submission" */
.pkp_block .pkp_button,
.pkp_block a.pkp_button {
  display: block !important;
  text-align: center !important;
  background: linear-gradient(135deg, var(--jsec-blue), var(--jsec-blue-light)) !important;
  color: var(--jsec-white) !important;
  border-radius: var(--jsec-radius) !important;
  padding: 12px 24px !important;
  font-weight: 700 !important;
  box-shadow: 0 4px 15px var(--jsec-blue-glow) !important;
  transition: var(--jsec-transition) !important;
  position: relative;
  overflow: hidden;
}

.pkp_block .pkp_button:hover,
.pkp_block a.pkp_button:hover {
  transform: translateY(-3px) !important;
  box-shadow: 0 6px 25px rgba(0, 119, 204, 0.5) !important;
}

/* Efecto brillo en el botón */
.pkp_block .pkp_button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.pkp_block .pkp_button:hover::before {
  left: 100%;
}

/* === ENLACES === */
a {
  color: var(--jsec-blue) !important;
  text-decoration: none !important;
  transition: var(--jsec-transition);
}

a:hover,
a:focus {
  color: var(--jsec-blue-light) !important;
  text-decoration: none !important;
}

/* === TÍTULOS Y ENCABEZADOS === */
h1, h2, h3, h4, h5, h6 {
  color: var(--jsec-black) !important;
  font-weight: 700 !important;
}

h1 { font-size: 28px !important; }
h2 { font-size: 24px !important; }
h3 { font-size: 20px !important; }

.page-header {
  border-bottom: 2px solid var(--jsec-blue) !important;
  padding-bottom: 12px !important;
}

/* === ARTÍCULOS / LISTA DE ARTÍCULOS === */
.obj_article_summary,
.article-summary {
  background: var(--jsec-white) !important;
  border: 1px solid var(--jsec-gray) !important;
  border-radius: var(--jsec-radius) !important;
  padding: 20px 24px !important;
  margin-bottom: 16px !important;
  transition: var(--jsec-transition);
  position: relative;
}

.obj_article_summary:hover,
.article-summary:hover {
  border-color: var(--jsec-blue) !important;
  box-shadow: var(--jsec-shadow-blue) !important;
  transform: translateX(4px);
}

/* Borde izquierdo azul en hover */
.obj_article_summary::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: var(--jsec-blue);
  border-radius: var(--jsec-radius) 0 0 var(--jsec-radius);
  opacity: 0;
  transition: var(--jsec-transition);
}

.obj_article_summary:hover::before {
  opacity: 1;
  box-shadow: 0 0 10px var(--jsec-blue-glow);
}

.obj_article_summary .title,
.article-summary .title {
  font-size: 17px !important;
  font-weight: 600 !important;
  margin-bottom: 6px !important;
}

.obj_article_summary .title a {
  color: var(--jsec-dark) !important;
}

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

.obj_article_summary .meta,
.obj_article_summary .authors {
  color: var(--jsec-text-light) !important;
  font-size: 14px !important;
}

/* === GALLEY LINKS (PDF, HTML, etc.) === */
.obj_galley_link,
a.obj_galley_link {
  display: inline-block !important;
  background: linear-gradient(135deg, #050810, #0c1a3a) !important;
  color: var(--jsec-white) !important;
  padding: 6px 16px !important;
  border-radius: 20px !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  transition: var(--jsec-transition) !important;
  margin: 4px 4px 4px 0 !important;
  border: 1px solid transparent !important;
}

.obj_galley_link:hover,
a.obj_galley_link:hover {
  background-color: var(--jsec-blue) !important;
  color: var(--jsec-white) !important;
  box-shadow: 0 0 12px var(--jsec-blue-glow) !important;
  border-color: var(--jsec-blue-light) !important;
  transform: translateY(-1px) !important;
}

/* === ANNOUNCEMENTS === */
.obj_announcement_summary,
.announcement {
  background: var(--jsec-white) !important;
  border: 1px solid var(--jsec-gray) !important;
  border-radius: var(--jsec-radius) !important;
  padding: 20px 24px !important;
  margin-bottom: 16px !important;
  transition: var(--jsec-transition);
  border-left: 3px solid var(--jsec-blue) !important;
}

.obj_announcement_summary:hover,
.announcement:hover {
  box-shadow: var(--jsec-shadow-blue) !important;
  border-left-color: var(--jsec-blue-light) !important;
}

.obj_announcement_summary .title a {
  color: var(--jsec-dark) !important;
  font-weight: 600 !important;
}

.obj_announcement_summary .title a:hover {
  color: var(--jsec-blue) !important;
}

.obj_announcement_summary .date {
  color: var(--jsec-text-light) !important;
  font-size: 13px !important;
}

/* === FORMULARIOS === */
.form-control,
input[type="text"],
input[type="email"],
input[type="password"],
textarea,
select {
  border: 1px solid var(--jsec-gray) !important;
  border-radius: var(--jsec-radius-sm) !important;
  padding: 10px 14px !important;
  transition: var(--jsec-transition) !important;
  background-color: var(--jsec-white) !important;
  color: var(--jsec-text) !important;
}

.form-control:focus,
input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
textarea:focus,
select:focus {
  border-color: var(--jsec-blue) !important;
  box-shadow: 0 0 0 3px var(--jsec-blue-glow-soft), 0 0 10px var(--jsec-blue-glow) !important;
  outline: none !important;
}

/* === TABLAS === */
.table,
table {
  border-radius: var(--jsec-radius) !important;
  overflow: hidden !important;
  border: 1px solid var(--jsec-gray) !important;
}

.table thead th,
table thead th {
  background: linear-gradient(135deg, #050810, #0c1a3a) !important;
  color: var(--jsec-white) !important;
  font-weight: 600 !important;
  padding: 12px 16px !important;
  border: none !important;
}

.table tbody td,
table tbody td {
  padding: 12px 16px !important;
  border-color: var(--jsec-gray) !important;
}

.table-striped > tbody > tr:nth-of-type(odd) {
  background-color: var(--jsec-gray-light) !important;
}

.table tbody tr:hover {
  background-color: var(--jsec-blue-glow-soft) !important;
}

/* === PAGINACIÓN === */
.pagination > li > a,
.pagination > li > span {
  color: var(--jsec-text) !important;
  border: 1px solid var(--jsec-gray) !important;
  border-radius: var(--jsec-radius-sm) !important;
  margin: 0 3px !important;
  transition: var(--jsec-transition) !important;
}

.pagination > li > a:hover {
  background-color: var(--jsec-blue) !important;
  color: var(--jsec-white) !important;
  border-color: var(--jsec-blue) !important;
  box-shadow: 0 0 10px var(--jsec-blue-glow) !important;
}

.pagination > .active > a,
.pagination > .active > span {
  background-color: var(--jsec-blue) !important;
  border-color: var(--jsec-blue) !important;
  color: var(--jsec-white) !important;
  box-shadow: 0 0 10px var(--jsec-blue-glow) !important;
}

/* === BREADCRUMBS === */
.breadcrumb {
  background-color: var(--jsec-gray-light) !important;
  border-radius: var(--jsec-radius-sm) !important;
  padding: 10px 16px !important;
  border: 1px solid var(--jsec-gray) !important;
}

.breadcrumb > li + li::before {
  color: var(--jsec-gray-medium) !important;
}

/* === FOOTER === */
footer,
.pkp_structure_footer,
.pkp_footer {
  background: linear-gradient(135deg, #050810 0%, #08122a 40%, #0c1a3a 100%) !important;
  color: rgba(255, 255, 255, 0.7) !important;
  border-top: 2px solid var(--jsec-blue-light) !important;
  box-shadow: 0 -2px 20px rgba(0, 119, 204, 0.2) !important;
  padding: 30px 0 !important;
  border-radius: 0 !important;
}

/* Preservar layout interno del footer */
footer .container,
.pkp_structure_footer .container,
.pkp_footer .container {
  background-color: transparent !important;
}

footer .row,
.pkp_structure_footer .row,
.pkp_footer .row {
  display: flex !important;
  flex-wrap: wrap !important;
  align-items: flex-start !important;
}

footer .col-sm-4,
footer .col-md-4,
footer .col-lg-4,
footer [class*="col-"],
.pkp_structure_footer [class*="col-"],
.pkp_footer [class*="col-"] {
  float: left !important;
}

footer p,
.pkp_structure_footer p,
.pkp_footer p {
  color: rgba(255, 255, 255, 0.7) !important;
  margin-bottom: 8px !important;
}

footer a,
.pkp_structure_footer a,
.pkp_footer a {
  color: var(--jsec-blue-light) !important;
  transition: var(--jsec-transition);
}

footer a:hover,
.pkp_structure_footer a:hover,
.pkp_footer a:hover {
  color: var(--jsec-white) !important;
  text-shadow: 0 0 8px var(--jsec-blue-glow);
}

/* Logos/imágenes en el footer */
footer img,
.pkp_structure_footer img,
.pkp_footer img {
  border: none !important;
  box-shadow: none !important;
  border-radius: 4px !important;
  max-height: 40px !important;
  margin: 5px 8px !important;
  opacity: 0.85;
  transition: var(--jsec-transition);
}

footer img:hover,
.pkp_structure_footer img:hover,
.pkp_footer img:hover {
  opacity: 1;
  transform: none !important;
  box-shadow: none !important;
  border-color: transparent !important;
}

/* === BADGES === */
.badge,
.label {
  border-radius: 20px !important;
  padding: 4px 12px !important;
  font-weight: 600 !important;
  font-size: 12px !important;
}

.badge-primary,
.label-primary {
  background-color: var(--jsec-blue) !important;
}

.badge-default,
.label-default {
  background-color: var(--jsec-gray-light) !important;
  color: var(--jsec-text) !important;
}

/* === ALERTAS === */
.alert {
  border-radius: var(--jsec-radius) !important;
  border: none !important;
  border-left: 4px solid !important;
  padding: 16px 20px !important;
}

.alert-info {
  background-color: var(--jsec-blue-glow-soft) !important;
  border-left-color: var(--jsec-blue) !important;
  color: var(--jsec-dark) !important;
}

.alert-success {
  border-left-color: #10b981 !important;
}

.alert-warning {
  border-left-color: #f59e0b !important;
}

.alert-danger {
  border-left-color: #ef4444 !important;
}

/* === REGISTER / LOGIN LINKS === */
.navbar-default .navbar-nav > li > a[href*="register"],
.navbar-default .navbar-nav > li > a[href*="login"] {
  border: 1px solid rgba(0, 119, 204, 0.5) !important;
  border-radius: 20px !important;
  margin: 8px 4px !important;
  padding: 8px 18px !important;
}

.navbar-default .navbar-nav > li > a[href*="register"]:hover,
.navbar-default .navbar-nav > li > a[href*="login"]:hover {
  background-color: var(--jsec-blue) !important;
  border-color: var(--jsec-blue) !important;
  box-shadow: 0 0 15px var(--jsec-blue-glow) !important;
}

/* === ISSUE COVER IMAGE === */
.obj_issue_summary .cover,
.issue-summary .cover {
  border-radius: var(--jsec-radius) !important;
  overflow: hidden !important;
  box-shadow: var(--jsec-shadow) !important;
  transition: var(--jsec-transition) !important;
}

.obj_issue_summary .cover:hover,
.issue-summary .cover:hover {
  box-shadow: var(--jsec-shadow-blue) !important;
}

/* === SCROLLBAR PERSONALIZADO === */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--jsec-gray-light);
}

::-webkit-scrollbar-thumb {
  background: var(--jsec-gray-medium);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--jsec-blue);
}

/* === ANIMACIONES SUTILES DE CARGA === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.obj_article_summary,
.obj_announcement_summary,
.pkp_block {
  animation: fadeInUp 0.4s ease-out both;
}

.obj_article_summary:nth-child(2) { animation-delay: 0.05s; }
.obj_article_summary:nth-child(3) { animation-delay: 0.1s; }
.obj_article_summary:nth-child(4) { animation-delay: 0.15s; }
.obj_article_summary:nth-child(5) { animation-delay: 0.2s; }

/* === SELECTION COLOR === */
::selection {
  background-color: var(--jsec-blue);
  color: var(--jsec-white);
}

::-moz-selection {
  background-color: var(--jsec-blue);
  color: var(--jsec-white);
}

/* === RESPONSIVE MEJORAS === */
@media (max-width: 768px) {
  .navbar-default .navbar-toggle {
    border-color: var(--jsec-blue) !important;
  }

  .navbar-default .navbar-toggle .icon-bar {
    background-color: var(--jsec-blue-light) !important;
  }

  .navbar-default .navbar-collapse {
    background: linear-gradient(135deg, #050810, #0c1a3a) !important;
    border-top: 1px solid rgba(0, 119, 204, 0.3) !important;
  }

  .obj_article_summary {
    padding: 16px !important;
  }

  .pkp_block {
    margin-bottom: 16px !important;
  }
}

/* === TOOLTIP PERSONALIZADO === */
.tooltip-inner {
  background-color: var(--jsec-dark) !important;
  border-radius: var(--jsec-radius-sm) !important;
  padding: 8px 14px !important;
  font-size: 13px !important;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3) !important;
}

.tooltip.top .tooltip-arrow {
  border-top-color: var(--jsec-dark) !important;
}

/* === MODAL === */
.modal-content {
  border-radius: var(--jsec-radius-lg) !important;
  border: 1px solid var(--jsec-gray) !important;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 0 30px var(--jsec-blue-glow) !important;
  overflow: hidden;
}

.modal-header {
  background: linear-gradient(135deg, #050810, #0c1a3a) !important;
  color: var(--jsec-white) !important;
  border-bottom: 2px solid var(--jsec-blue-light) !important;
  padding: 16px 24px !important;
}

.modal-header .close {
  color: var(--jsec-white) !important;
  opacity: 0.7 !important;
}

.modal-header .close:hover {
  opacity: 1 !important;
}

.modal-body {
  padding: 24px !important;
}

.modal-footer {
  border-top: 1px solid var(--jsec-gray) !important;
  padding: 16px 24px !important;
}

/* === Citas: sin estilos personalizados, se usa el default de OJS === */

/* === FIX: Texto de descripción del Issue (debe ser OSCURO sobre fondo blanco) === */
/* La descripción del volumen, párrafos del issue, fecha, etc. */
.obj_issue_toc .description,
.obj_issue_toc .description p,
.obj_issue_toc .description span,
.obj_issue_toc .description div,
.obj_issue_toc > .description,
.issue-toc .description,
.issue-toc .description p,
.page .description,
.page .description p {
  color: var(--jsec-text) !important;
  background-color: transparent !important;
}

/* Título del issue "Vol. 1 No. 1..." debe ser oscuro (está sobre fondo blanco) */
.obj_issue_toc > h1,
.obj_issue_toc > h2,
.obj_issue_toc > .title,
.page .page-header,
.page .page-header h1,
.page .page-header h2 {
  color: var(--jsec-black) !important;
}

/* Published date */
.obj_issue_toc .published,
.obj_issue_toc .published span,
.issue-toc .published {
  color: var(--jsec-text-light) !important;
}

/* "Articles" section header dentro del issue TOC */
.obj_issue_toc .sections .section_title,
.obj_issue_toc .sections > h2,
.obj_issue_toc .sections > h3 {
  background: linear-gradient(135deg, #050810 0%, #08122a 40%, #0c1a3a 100%) !important;
  color: var(--jsec-white) !important;
  padding: 14px 20px !important;
  border-radius: var(--jsec-radius-lg) !important;
  border-bottom: 2px solid var(--jsec-blue-light) !important;
  margin-bottom: 16px !important;
}

/* === FIX: Panel-heading children SOLO dentro del panel-heading === */
/* Asegurar que los hijos directos de panel-heading son blancos */
/* EXCLUIR citation_display para no romper el dropdown de citas */
.panel-heading *:not(.citation_display *),
.panel-default > .panel-heading * {
  color: var(--jsec-white) !important;
}

/* Pero el panel-body y todo lo que NO es heading debe ser oscuro */
/* EXCLUIR citation_display */
.panel-body:not(.citation_display .panel-body),
.panel-body:not(.citation_display .panel-body) *:not(a):not(.btn) {
  color: var(--jsec-text) !important;
}

/* Excluir citation_display de estilos de panel generales */
.citation_display .panel,
.citation_display .panel-heading,
.citation_display .panel-body,
.citation_display .panel-heading *,
.citation_display .panel-body *,
.item.citation .panel,
.item.citation .panel-heading,
.item.citation .panel-body,
.item.citation * {
  all: revert !important;
}

/* Artículo details - items con label */
.article-details .item .label {
  color: var(--jsec-white) !important;
  background-color: var(--jsec-black) !important;
  display: inline-block !important;
  padding: 4px 10px !important;
  border-radius: var(--jsec-radius-sm) !important;
  font-size: 13px !important;
}

/* Sub-items del artículo */
.article-details .item .sub_item .label {
  color: var(--jsec-text) !important;
  background-color: transparent !important;
  font-weight: 600 !important;
}

/* "Full Issue" link */
.obj_issue_toc .full_issue a,
.issue-toc .full_issue a {
  color: var(--jsec-blue) !important;
}