/* ========================================================================
   library_modern.css  –  DCHC College Library Design System
   A professional, elegant, college-appropriate design.
   ======================================================================== */

/* ── DESIGN TOKENS ── */
:root {
  --lib-primary: #1b3a5c;       /* Deep navy blue — authoritative */
  --lib-primary-light: #2c5f8a;
  --lib-accent: #c9963b;        /* Warm gold — academic elegance */
  --lib-accent-light: #e8c975;
  --lib-bg: #f5f6fa;            /* Soft off-white background */
  --lib-card-bg: #ffffff;
  --lib-text: #2d3748;
  --lib-text-light: #718096;
  --lib-success: #38a169;
  --lib-danger: #e53e3e;
  --lib-shadow-sm: 0 2px 8px rgba(27,58,92,0.06);
  --lib-shadow: 0 8px 30px rgba(27,58,92,0.10);
  --lib-shadow-lg: 0 20px 60px rgba(27,58,92,0.12);
  --lib-radius: 14px;
  --lib-radius-sm: 8px;
  --lib-transition: 0.3s cubic-bezier(.4,0,.2,1);
  --lib-font: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ── LIBRARY PAGE HERO HEADER (replaces old DCHC Library heading) ── */
.library-hero {
  background: linear-gradient(135deg, var(--lib-primary) 0%, var(--lib-primary-light) 60%, #3a7cc5 100%);
  color: #fff;
  padding: 28px 30px;
  margin-bottom: 0;
  position: relative;
  overflow: hidden;
}

.library-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(201,150,59,0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.library-hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.library-hero .hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.library-hero .hero-title {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #ffffff !important;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.library-hero .hero-title i {
  font-size: 26px;
  color: var(--lib-accent-light);
}

.library-hero .hero-breadcrumb {
  font-size: 13px;
  opacity: 0.85;
}

.library-hero .hero-breadcrumb a {
  color: var(--lib-accent-light);
  text-decoration: none;
}

.library-hero .hero-breadcrumb a:hover {
  text-decoration: underline;
}

/* ── LIBRARY NAVBAR — Modern, Professional ── */
.library-navbar {
  background: var(--lib-primary) !important;
  border-radius: 0 !important;
  box-shadow: 0 4px 20px rgba(27,58,92,0.18) !important;
  padding: 0 !important;
  margin-bottom: 0;
  border: none !important;
  position: sticky;
  top: 0;
  z-index: 999;
}

.library-navbar .navbar-brand {
  color: var(--lib-accent-light) !important;
  font-weight: 700;
  font-size: 15px;
  padding: 12px 15px;
}

.library-navbar .navbar-toggler {
  border: 2px solid rgba(255,255,255,0.3) !important;
  padding: 6px 10px;
  margin: 8px 15px;
}

.library-navbar .navbar-toggler-icon {
  filter: brightness(0) invert(1);
}

.library-navbar .navbar-nav {
  width: 100%;
  justify-content: center;
}

.library-navbar .nav-item {
  position: relative;
}

.library-navbar .nav-link {
  color: rgba(255,255,255,0.9) !important;
  font-weight: 600 !important;
  font-size: 13px !important;
  padding: 14px 16px !important;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: 0 !important;
  transition: all var(--lib-transition) !important;
  border-bottom: 3px solid transparent;
  white-space: nowrap;
}

.library-navbar .nav-link i {
  margin-right: 5px;
  font-size: 14px;
  color: var(--lib-accent-light);
}

.library-navbar .nav-link:hover,
.library-navbar .nav-link:focus {
  color: #fff !important;
  background: rgba(255,255,255,0.08) !important;
  border-bottom-color: var(--lib-accent) !important;
}

.library-navbar .nav-item.active > .nav-link {
  background: rgba(255,255,255,0.12) !important;
  border-bottom-color: var(--lib-accent) !important;
  color: #fff !important;
}

/* Dropdown menu */
.library-navbar .dropdown-menu {
  border: none !important;
  border-radius: var(--lib-radius-sm) !important;
  box-shadow: var(--lib-shadow-lg) !important;
  padding: 8px 0 !important;
  min-width: 230px;
  margin-top: 0 !important;
  animation: libDropIn 0.25s ease;
  background: #fff !important;
  border-top: 3px solid var(--lib-accent) !important;
}

@keyframes libDropIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.library-navbar .dropdown-item {
  padding: 10px 20px !important;
  font-weight: 500 !important;
  font-size: 14px !important;
  color: var(--lib-text) !important;
  transition: all 0.2s ease !important;
  display: flex;
  align-items: center;
  gap: 8px;
}

.library-navbar .dropdown-item span {
  font-size: inherit !important;
  color: inherit !important;
}

.library-navbar .dropdown-item i {
  width: 18px;
  text-align: center;
  color: var(--lib-primary-light);
  font-size: 13px;
}

.library-navbar .dropdown-item:hover {
  background: var(--lib-bg) !important;
  color: var(--lib-primary) !important;
  padding-left: 26px !important;
}

.library-navbar .dropdown-divider {
  margin: 2px 15px !important;
  border-color: rgba(0,0,0,0.06) !important;
}

/* ── LIBRARY CONTAINER — replaces ugly inline bg ── */
.library-container {
  background-color: var(--lib-bg) !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  padding: 0 !important;
  margin-top: 0 !important;
  margin-bottom: 0 !important;
  border: none !important;
}

.library-container:hover {
  box-shadow: none !important;
}

/* ── LIBRARY HEADER — hidden (replaced by hero) ── */
.library-header {
  display: none !important;
}

/* ── CONTENT CARD — wraps actual page content ── */
.library-container article,
.library-container .library-content-card {
  background: var(--lib-card-bg);
  border-radius: var(--lib-radius);
  box-shadow: var(--lib-shadow-sm);
  padding: 35px 40px;
  margin: 25px auto;
  max-width: 1100px;
  border: 1px solid rgba(27,58,92,0.06);
  transition: box-shadow var(--lib-transition);
}

.library-container article:hover {
  box-shadow: var(--lib-shadow);
}

/* ── TYPOGRAPHY ── */
.library-container h3,
.library-container article h3 {
  color: var(--lib-primary) !important;
  font-weight: 700;
  font-size: 22px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--lib-accent);
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.library-container h4 {
  color: var(--lib-primary) !important;
  font-weight: 600;
  font-size: 18px;
  margin-bottom: 15px;
}

.library-container p {
  color: var(--lib-text);
  line-height: 1.8;
  font-size: 15px;
  text-align: justify;
  margin-bottom: 14px;
}

.library-container blockquote {
  background: linear-gradient(135deg, #f0f4f8 0%, #e8ecf3 100%);
  border-left: 4px solid var(--lib-accent);
  padding: 18px 24px;
  margin: 22px 0;
  border-radius: 0 var(--lib-radius-sm) var(--lib-radius-sm) 0;
  font-style: italic;
  color: var(--lib-text);
  font-size: 15px;
  line-height: 1.7;
  position: relative;
}

.library-container blockquote::before {
  content: '\201C';
  position: absolute;
  top: -8px;
  left: 12px;
  font-size: 50px;
  color: var(--lib-accent);
  opacity: 0.3;
  font-family: Georgia, serif;
}

/* ── LINKS ── */
.library-container article a,
.library-container .library-content-card a {
  color: var(--lib-primary-light);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.2s ease;
  border-bottom: 1px solid transparent;
}

.library-container article a:hover,
.library-container .library-content-card a:hover {
  color: var(--lib-accent);
  border-bottom-color: var(--lib-accent);
  text-decoration: none !important;
}

/* ── LISTS ── */
.library-container ol,
.library-container ul {
  padding-left: 20px;
}

.library-container ol li,
.library-container ul li {
  color: var(--lib-text);
  line-height: 1.8;
  font-size: 15px;
  margin-bottom: 6px;
  padding-left: 4px;
}

/* ── TABLES ── */
.library-container table {
  width: 100% !important;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--lib-radius-sm);
  overflow: hidden;
  box-shadow: var(--lib-shadow-sm);
  margin: 20px 0;
  font-size: 15px;
}

.library-container table thead th,
.library-container table tbody tr:first-child td h4 {
  background: var(--lib-primary) !important;
  color: #fff !important;
  font-weight: 600;
  padding: 14px 18px;
  text-align: left;
  font-size: 15px;
  border: none;
}

.library-container table td {
  padding: 12px 18px;
  border-bottom: 1px solid rgba(27,58,92,0.06);
  vertical-align: top;
}

.library-container table tbody tr:hover {
  background: #f7f9fc;
}

.library-container table tbody tr:nth-child(even) {
  background: #fafbfd;
}

/* ── BUTTONS ── */
.library-btn {
  background: linear-gradient(135deg, var(--lib-primary), var(--lib-primary-light)) !important;
  color: #fff !important;
  border: none !important;
  padding: 10px 24px !important;
  border-radius: var(--lib-radius-sm) !important;
  font-weight: 600 !important;
  font-size: 14px !important;
  transition: all var(--lib-transition) !important;
  box-shadow: 0 4px 12px rgba(27,58,92,0.25) !important;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.library-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(27,58,92,0.35) !important;
}

/* ── FOOTER SPACER ── */
.library-container > div:last-child hr {
  border-color: rgba(27,58,92,0.1);
  margin-top: 30px;
}

/* ── PAGE INNER DIV CLEANUP ── */
.library-container article > div[class*="col-sm-10"] {
  max-width: 100% !important;
  padding: 0 !important;
  margin: 0 !important;
  flex: 0 0 100% !important;
}

/* ── RESPONSIVE ── */
@media (max-width: 991px) {
  .library-navbar .navbar-nav {
    padding: 8px 0;
  }
  .library-navbar .nav-link {
    padding: 10px 18px !important;
    font-size: 13px !important;
    border-bottom: none !important;
    border-left: 3px solid transparent;
  }
  .library-navbar .nav-link:hover {
    border-left-color: var(--lib-accent) !important;
    border-bottom: none !important;
  }
  .library-navbar .dropdown-menu {
    background: rgba(255,255,255,0.06) !important;
    border: none !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
  }
  .library-navbar .dropdown-item {
    color: rgba(255,255,255,0.85) !important;
    padding: 8px 30px !important;
    font-size: 13px !important;
  }
  .library-navbar .dropdown-item:hover {
    background: rgba(255,255,255,0.08) !important;
    color: #fff !important;
    padding-left: 35px !important;
  }
  .library-navbar .dropdown-divider {
    border-color: rgba(255,255,255,0.08) !important;
    margin: 0 18px !important;
  }
  .library-hero .hero-title {
    font-size: 18px;
  }
}

@media (max-width: 768px) {
  .library-container article,
  .library-container .library-content-card {
    padding: 20px 18px;
    margin: 15px 8px;
    border-radius: var(--lib-radius-sm);
  }
  .library-hero {
    padding: 20px 18px;
  }
  .library-hero .hero-title {
    font-size: 16px;
    letter-spacing: 0.5px;
  }
  .library-container h3 {
    font-size: 18px !important;
  }
  .library-container p {
    font-size: 14px;
  }
  .library-container table {
    font-size: 13px;
  }
  .library-container table td {
    padding: 8px 10px;
  }
}

@media (max-width: 480px) {
  .library-hero .hero-content {
    flex-direction: column;
    align-items: flex-start;
  }
  .library-hero .hero-breadcrumb {
    margin-top: 4px;
  }
}