/* ============================================
   SABER UCV - Custom Theme for DSpace 4.0 JSPUI
   ============================================
   
   Instrucciones:
   1. Copiar este archivo a: [dspace]/modules/jspui/src/main/webapp/styles/
   2. Referenciarlo en header-default.jsp
   3. Sobreescribe los estilos por defecto de DSpace
   ============================================ */

/* ---- CSS Variables (Design System) ---- */
:root {
  --ucv-primary: #1a7a8a;
  --ucv-primary-dark: #14606d;
  --ucv-primary-light: #2d9aad;
  --ucv-bg: #f5f8fa;
  --ucv-card: #ffffff;
  --ucv-foreground: #1a2e3b;
  --ucv-muted: #6b8599;
  --ucv-border: #dce5eb;
  --ucv-secondary-bg: #e8f2f5;
  --ucv-secondary-fg: #14606d;
  --ucv-link: #1a7a8a;
  --ucv-link-hover: #14606d;
  --ucv-search-accent: #d98a2b;
  --ucv-community-hover: #edf6f8;
  --ucv-banner-bg: #f0f6f8;
  --ucv-radius: 0.5rem;
  --ucv-shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --ucv-shadow-md: 0 4px 12px rgba(0,0,0,0.1);
}

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Source+Sans+3:wght@300;400;500;600;700&family=Merriweather:wght@400;700&display=swap');

/* ---- Reset & Base ---- */
body {
  font-family: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--ucv-bg);
  color: var(--ucv-foreground);
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Merriweather', Georgia, serif;
  color: var(--ucv-foreground);
}

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

a:hover {
  color: var(--ucv-link-hover);
}

/* ---- Hide default DSpace styling ---- */
/* Override the default navbar and header from DSpace */
.navbar-default,
#ds-header {
  display: none !important;
}

/* ---- Main Container ---- */
.container,
#content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==========================
   HEADER
   ========================== */
.ucv-header {
  background: linear-gradient(135deg, var(--ucv-primary-dark), var(--ucv-primary-light));
  color: #fff;
  position: relative;
}

.ucv-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ucv-header-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.ucv-header-logo-placeholder {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  border: 2px solid rgba(255,255,255,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: rgba(255,255,255,0.7);
}

.ucv-header-title {
  font-family: 'Merriweather', Georgia, serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin: 0;
  letter-spacing: -0.01em;
}

.ucv-header-subtitle {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.8);
  margin: 0;
}

/* Nav */
.ucv-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.ucv-nav a {
  color: rgba(255,255,255,0.9);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.ucv-nav a:hover {
  color: #fff;
}

/* ==========================
   BANNER PLACEHOLDER
   ========================== */
.ucv-banner-strip {
  background: var(--ucv-banner-bg);
  border-bottom: 1px solid var(--ucv-border);
  padding: 1.25rem 0;
}

.ucv-banner-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.ucv-banner-placeholder-item {
  width: 48px;
  height: 48px;
  border-radius: 0.5rem;
  background: #e2eaee;
  border: 1px solid var(--ucv-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ucv-muted);
  font-size: 1.1rem;
}

.ucv-banner-divider {
  width: 1px;
  height: 32px;
  background: var(--ucv-border);
  margin: 0 0.5rem;
}

.ucv-banner-text {
  font-size: 0.85rem;
  color: var(--ucv-muted);
  font-style: italic;
}

/* ==========================
   BREADCRUMB
   ========================== */
.ucv-breadcrumb {
  background: var(--ucv-card);
  border-bottom: 1px solid var(--ucv-border);
  padding: 0.5rem 0;
}

.ucv-breadcrumb-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  font-size: 0.85rem;
  color: var(--ucv-muted);
}

.ucv-breadcrumb-inner a {
  color: var(--ucv-link);
  font-weight: 600;
}

/* ==========================
   MAIN LAYOUT (2 columns)
   ========================== */
.ucv-main-layout {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 2rem;
}

@media (max-width: 768px) {
  .ucv-main-layout {
    grid-template-columns: 1fr;
  }
}

/* ==========================
   CARDS / SECTIONS
   ========================== */
.ucv-card {
  background: var(--ucv-card);
  border: 1px solid var(--ucv-border);
  border-radius: var(--ucv-radius);
  box-shadow: var(--ucv-shadow-sm);
  overflow: hidden;
}

.ucv-card-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--ucv-border);
  background: var(--ucv-secondary-bg);
}

.ucv-card-header h2,
.ucv-card-header h3 {
  margin: 0;
  font-size: 1.1rem;
}

.ucv-card-header p {
  margin: 0.25rem 0 0;
  font-size: 0.85rem;
  color: var(--ucv-muted);
}

.ucv-card-body {
  padding: 1.5rem;
}

/* ==========================
   INFO BANNER
   ========================== */
.ucv-info-banner {
  background: var(--ucv-secondary-bg);
  border: 1px solid var(--ucv-border);
  border-radius: var(--ucv-radius);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.ucv-info-banner-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--ucv-primary);
  margin-top: 2px;
}

.ucv-info-banner h3 {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ucv-secondary-fg);
  margin: 0 0 0.25rem;
}

.ucv-info-banner p {
  font-size: 0.85rem;
  color: var(--ucv-muted);
  margin: 0;
  line-height: 1.5;
}

/* ==========================
   SEARCH SECTION
   ========================== */
.ucv-search-section h2 {
  font-size: 1.15rem;
  margin: 0 0 0.25rem;
}

.ucv-search-section > p {
  font-size: 0.85rem;
  color: var(--ucv-muted);
  margin: 0 0 1rem;
}

.ucv-search-form {
  display: flex;
  gap: 0.5rem;
}

.ucv-search-input-wrapper {
  position: relative;
  flex: 1;
}

.ucv-search-input-wrapper svg {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--ucv-muted);
}

.ucv-search-input {
  width: 100%;
  height: 44px;
  padding: 0 1rem 0 2.5rem;
  border: 1px solid var(--ucv-border);
  border-radius: var(--ucv-radius);
  font-size: 0.9rem;
  font-family: 'Source Sans 3', sans-serif;
  background: var(--ucv-bg);
  color: var(--ucv-foreground);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
}

.ucv-search-input:focus {
  border-color: var(--ucv-primary);
  box-shadow: 0 0 0 3px rgba(26,122,138,0.15);
}

.ucv-search-input::placeholder {
  color: var(--ucv-muted);
}

.ucv-btn-search {
  height: 44px;
  padding: 0 1.5rem;
  background: var(--ucv-search-accent);
  color: #fff;
  border: none;
  border-radius: var(--ucv-radius);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: 'Source Sans 3', sans-serif;
  cursor: pointer;
  transition: background 0.2s;
}

.ucv-btn-search:hover {
  background: #c57a22;
}

.ucv-search-links {
  margin-top: 0.75rem;
}

.ucv-search-links a {
  font-size: 0.85rem;
  font-weight: 500;
}

/* ==========================
   COMMUNITIES LIST
   ========================== */
.ucv-community-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.ucv-community-list li {
  border-bottom: 1px solid var(--ucv-border);
}

.ucv-community-list li:last-child {
  border-bottom: none;
}

.ucv-community-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.5rem;
  color: var(--ucv-link);
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
  text-decoration: none;
}

.ucv-community-item:hover {
  background: var(--ucv-community-hover);
  color: var(--ucv-link-hover);
}

.ucv-community-item .ucv-icon {
  color: var(--ucv-primary);
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}

.ucv-community-item .ucv-community-name {
  flex: 1;
}

.ucv-community-item .ucv-badge {
  font-size: 0.75rem;
  color: var(--ucv-muted);
  background: var(--ucv-bg);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
}

.ucv-community-item .ucv-chevron {
  color: var(--ucv-muted);
  width: 16px;
  height: 16px;
  transition: color 0.15s;
}

.ucv-community-item:hover .ucv-chevron {
  color: var(--ucv-primary);
}

/* ==========================
   SIDEBAR
   ========================== */
.ucv-sidebar .ucv-card {
  margin-bottom: 1rem;
}

.ucv-sidebar .ucv-card-header h3 {
  font-size: 0.9rem;
}

.ucv-sidebar-nav {
  padding: 0.5rem;
  list-style: none;
  margin: 0;
}

.ucv-sidebar-nav li a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.75rem;
  border-radius: calc(var(--ucv-radius) - 2px);
  font-size: 0.85rem;
  color: var(--ucv-link);
  transition: background 0.15s;
}

.ucv-sidebar-nav li a:hover {
  background: var(--ucv-community-hover);
  color: var(--ucv-link-hover);
}

.ucv-sidebar-nav li a svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Logo grid in sidebar */
.ucv-logo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  padding: 1rem;
}

.ucv-logo-placeholder {
  aspect-ratio: 1;
  border-radius: 0.5rem;
  background: var(--ucv-bg);
  border: 1px solid var(--ucv-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  color: var(--ucv-muted);
}

.ucv-logo-placeholder svg {
  width: 24px;
  height: 24px;
}

.ucv-logo-placeholder span {
  font-size: 0.65rem;
}

/* ==========================
   FOOTER
   ========================== */
.ucv-footer {
  background: linear-gradient(135deg, var(--ucv-primary-dark), var(--ucv-primary-light));
  color: #fff;
  margin-top: 3rem;
}

.ucv-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.ucv-footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.ucv-footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.ucv-footer-brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
}

.ucv-footer-brand-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.ucv-footer-brand-org {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.7);
}

.ucv-footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.ucv-footer-links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.8);
  transition: color 0.2s;
}

.ucv-footer-links a:hover {
  color: #fff;
}

.ucv-footer-bottom {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.2);
  text-align: center;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
}

/* ==========================
   ANIMATIONS
   ========================== */
@keyframes ucvFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.ucv-animate-in {
  animation: ucvFadeIn 0.4s ease-out forwards;
}

.ucv-community-list li:nth-child(1) { animation-delay: 0s; }
.ucv-community-list li:nth-child(2) { animation-delay: 0.04s; }
.ucv-community-list li:nth-child(3) { animation-delay: 0.08s; }
.ucv-community-list li:nth-child(4) { animation-delay: 0.12s; }
.ucv-community-list li:nth-child(5) { animation-delay: 0.16s; }
.ucv-community-list li:nth-child(6) { animation-delay: 0.2s; }
.ucv-community-list li:nth-child(7) { animation-delay: 0.24s; }
.ucv-community-list li:nth-child(8) { animation-delay: 0.28s; }

/* ==========================
   RESPONSIVE
   ========================== */
@media (max-width: 768px) {
  .ucv-header-inner {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }
  
  .ucv-nav {
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  .ucv-footer-top {
    flex-direction: column;
    text-align: center;
  }

  .ucv-footer-links {
    justify-content: center;
  }

  .ucv-search-form {
    flex-direction: column;
  }

  .ucv-btn-search {
    width: 100%;
  }

  .ucv-banner-inner {
    flex-direction: column;
  }

  .ucv-banner-divider {
    display: none;
  }
}