/* ============================================================
   assets/css/style.css
   RCU Library Portal — Central Stylesheet
   All colors controlled via :root CSS Variables
   ============================================================ */

/* ============================================================
   :root — GLOBAL COLOR VARIABLES
   Modify here to change colors site-wide
   ============================================================ */
:root {
  /* ── Header ──────────────────────────────────────── */
  --color-header-bg: #2C3947;
  --color-header-text: #E8EDF2;
  --color-header-accent: #C2A56D;
  --color-header-border: #3d4f63;

  /* ── Top bar ──────────────────────────────────────── */
  --color-topbar-bg: #1e2c38;
  --color-topbar-text: #a0b5c8;

  /* ── Navigation Menu ─────────────────────────────── */
  --color-nav-bg: #2C3947;
  --color-nav-text: #E8EDF2;
  --color-nav-hover-bg: #C2A56D;
  --color-nav-hover-text: #F7F7F7;
  --color-nav-active-bg: #C2A56D;
  --color-nav-active-text: #2C3947;
  --color-nav-dropdown-bg: #253240;

  /* ── Home / Content Area ─────────────────────────── */
  --color-body-bg: #E8EDF2;
  --color-content-bg: #F7F7F7;
  --color-content-border: #cdd4db;
  --color-section-bg: #E8EDF2;
  --color-highlight-bg: #F7F7F7;

  /* ── Footer ──────────────────────────────────────── */
  --color-footer-bg: #2C3947;
  --color-footer-text: #a0b5c8;
  --color-footer-link: #C2A56D;
  --color-footer-link-hover: #d4b87d;
  --color-footer-border: #3d4f63;

  /* ── Headings H1–H6 ──────────────────────────────── */
  --color-h1: #2C3947;
  --color-h2: #2C3947;
  --color-h3: #3a4f63;
  --color-h4: #4a5f73;
  --color-h5: #5a6f83;
  --color-h6: #6a7f93;

  /* ── Paragraph & Body Text ───────────────────────── */
  --color-p: #2C3947;
  --color-p-muted: #5a6f83;
  --color-p-light: #7a8f9f;

  /* ── Accent / UI ─────────────────────────────────── */
  --color-accent: #C2A56D;
  --color-accent-dark: #a08550;
  --color-accent-light: #d4b87d;
  --color-link: #2C3947;
  --color-link-hover: #C2A56D;
  --color-danger: #8b2222;
  --color-success: #2a5c3a;
  --color-warning: #7a5c18;

  /* ── Cards & Surfaces ────────────────────────────── */
  --color-card-bg: #F7F7F7;
  --color-card-border: #cdd4db;
  --color-card-shadow: rgba(44, 57, 71, 0.10);
  --color-card-hover-shadow: rgba(44, 57, 71, 0.20);

  /* ── Form & Input ────────────────────────────────── */
  --color-input-border: #b8c8d4;
  --color-input-focus: #C2A56D;
  --color-input-bg: #F7F7F7;

  /* ── Typography ──────────────────────────────────── */
  --font-heading: 'Tiro Devanagari Hindi', 'Noto Serif Kannada', 'Georgia', serif;
  --font-body: 'Source Serif 4', 'Noto Sans Kannada', Georgia, serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-ui: 'DM Sans', 'Segoe UI', sans-serif;

  /* ── Spacing ─────────────────────────────────────── */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --shadow-card: 0 2px 12px var(--color-card-shadow);
  --shadow-hover: 0 6px 24px var(--color-card-hover-shadow);
  --transition: 0.22s ease;
}

/* ============================================================
   BASE RESET & BODY
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

@media (min-width: 992px) {
  html { font-size: 16px; }
}

@media (min-width: 1440px) {
  html { font-size: 17px; }
}

body {
  background: var(--color-body-bg);
  color: var(--color-p);
  font-family: var(--font-body);
  line-height: 1.75;
  margin: 0;
  padding: 0;
}

/* ============================================================
   SKIP LINK (Accessibility)
   ============================================================ */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-accent);
  color: #fff;
  padding: 10px 20px;
  z-index: 10000;
  font-family: var(--font-ui);
  font-weight: 600;
  border-radius: 0 0 var(--radius-md) 0;
  text-decoration: none;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 0;
}

/* ============================================================
   HEADINGS
   ============================================================ */
h1,
.h1 {
  color: var(--color-h1);
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 2.2vw, 1.8rem);
  font-weight: 700;
  line-height: 1.25;
}

h2,
.h2 {
  color: var(--color-h2);
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 1.8vw, 1.5rem);
  font-weight: 700;
}

h3,
.h3 {
  color: var(--color-h3);
  font-family: var(--font-heading);
  font-size: clamp(0.95rem, 1.5vw, 1.2rem);
  font-weight: 600;
}

h4,
.h4 {
  color: var(--color-h4);
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 600;
}

h5,
.h5 {
  color: var(--color-h5);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 600;
}

h6,
.h6 {
  color: var(--color-h6);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 600;
}

/* ============================================================
   PARAGRAPHS & TEXT
   ============================================================ */
p {
  color: var(--color-p);
  margin-bottom: 1rem;
}

.muted {
  color: var(--color-p-muted);
}

a {
  color: var(--color-link);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-link-hover);
  text-decoration: underline;
}

a:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ============================================================
   TOP BAR
   ============================================================ */
#topbar {
  background: var(--color-topbar-bg);
  color: var(--color-topbar-text);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  padding: 5px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

#topbar a {
  color: var(--color-topbar-text);
}

#topbar a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.lang-btn {
  background: none;
  border: 1px solid rgba(194, 165, 109, 0.4);
  color: var(--color-accent);
  font-family: var(--font-ui);
  font-size: 0.75rem;
  padding: 2px 10px;
  border-radius: 20px;
  cursor: pointer;
  transition: all var(--transition);
}

.lang-btn:hover,
.lang-btn.active {
  background: var(--color-accent);
  color: #fff;
}

.lang-btn:focus-visible {
  outline: 3px solid var(--color-accent);
}

/* ============================================================
   HEADER
   ============================================================ */

/* Three-zone header: empty left | brand center | actions right */
.header-center-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 80px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  z-index: 1;
}

.header-actions {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
}

.header-accred-circle {
  width: 58px;
  height: 58px;
  background-color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
  flex-shrink: 0;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.header-accred-circle:hover {
  transform: scale(1.08);
  box-shadow: 0 4px 14px rgba(0,0,0,0.35);
}

.header-accred-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

@media (max-width: 991px) {
  .header-center-wrapper {
    flex-direction: column;
    gap: 0.75rem;
    padding-bottom: 0.5rem;
  }
  .header-actions {
    position: static;
    transform: none;
    align-items: center;
    width: 100%;
    justify-content: center;
  }
  .header-brand {
    justify-content: center;
    flex-wrap: wrap;
    text-align: center;
  }
}

#site-header {
  background: var(--color-header-bg);
  color: var(--color-header-text);
  padding: 18px 0;
  border-bottom: 3px solid var(--color-header-accent);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
}

.header-logo {
  width: 110px;
  height: 100px;
  border-radius: 12px;
  border: 3px solid var(--color-header-accent);
  background-color: #ffffff;
  padding: 4px;
  flex-shrink: 0;
  object-fit: contain;
  box-shadow: 0 2px 10px rgba(0,0,0,0.25);
}

.header-title-en {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2.4vw, 1.75rem);
  font-weight: 700;
  color: #F7F7F7;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.4);
  line-height: 1.2;
}

.header-title-kn {
  font-family: var(--font-heading);
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  color: #C2A56D;
  line-height: 1.3;
}

.header-sub {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: rgba(232, 237, 242, 0.85);
  letter-spacing: 0.04em;
}

.naac-badge {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  background-color: rgba(194, 165, 109, 0.15);
  border: 1px solid #C2A56D;
  color: #C2A56D;
  padding: 3px 10px;
  border-radius: 20px;
  display: inline-block;
  margin-top: 4px;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
#main-nav {
  background: var(--color-nav-bg);
  border-bottom: 2px solid var(--color-nav-active-bg);
}

#main-nav .navbar-nav .nav-link {
  color: var(--color-nav-text);
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 8px 9px;
  letter-spacing: 0;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}

#main-nav .navbar-nav .nav-link:hover,
#main-nav .navbar-nav .nav-link:focus {
  background: var(--color-nav-hover-bg);
  color: var(--color-nav-hover-text);
}

#main-nav .navbar-nav .nav-link.active {
  background: var(--color-nav-active-bg);
  color: var(--color-nav-active-text);
  font-weight: 600;
}

#main-nav .dropdown-menu {
  background: var(--color-nav-dropdown-bg);
  border: 1px solid var(--color-header-border);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  padding: 6px;
  min-width: 220px;
}

#main-nav .dropdown-item {
  color: var(--color-nav-text);
  font-family: var(--font-ui);
  font-size: 0.85rem;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

#main-nav .dropdown-item:hover {
  background: var(--color-nav-hover-bg);
  color: var(--color-nav-hover-text);
}

/* ── Desktop hover-to-open dropdowns ── */
@media (min-width: 992px) {
  #main-nav .nav-item.dropdown:hover > .dropdown-menu {
    display: block;
    margin-top: 0;
    animation: fadeInDown 0.18s ease;
  }
  #main-nav .nav-item.dropdown .dropdown-menu {
    margin-top: 0;
  }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

#main-nav .navbar-toggler {
  border-color: rgba(194, 165, 109, 0.5);
}

#main-nav .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28194%2C165%2C109%2C1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ============================================================
   SEARCH BAR (in nav)
   ============================================================ */
.global-search {
  position: relative;
}

.global-search input {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(194, 165, 109, 0.3);
  color: #F7F7F7;
  border-radius: 20px;
  padding: 6px 36px 6px 16px;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  width: 220px;
  transition: all var(--transition);
}

.global-search input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.global-search input:focus {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--color-accent);
  outline: none;
  box-shadow: 0 0 0 3px rgba(194, 165, 109, 0.2);
}

.global-search .search-btn {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-accent);
  cursor: pointer;
  padding: 0;
  font-size: 1rem;
}

/* ============================================================
   MAIN CONTENT WRAPPER
   ============================================================ */
#page-content {
  min-height: calc(100vh - 280px);
  padding: 0;
}

/* Loading indicator */
#page-loader {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(232, 237, 242, 0.85);
  z-index: 9999;
  justify-content: center;
  align-items: center;
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
}

#page-loader.active {
  display: flex;
}

.loader-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--color-content-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ============================================================
   HERO BANNER
   ============================================================ */
.hero-banner {
  background: linear-gradient(135deg, var(--color-header-bg) 0%, #3a4f63 60%, #253240 100%);
  color: white;
  padding: 60px 0 50px;
  position: relative;
  overflow: hidden;
}

.hero-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-banner h1 {
  color: white;
  font-size: clamp(1.3rem, 2.8vw, 2rem);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-banner .lead {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.92rem;
}

.hero-stats {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 18px 24px;
  text-align: center;
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

.hero-stats .stat-num {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-accent-light);
  display: block;
}

.hero-stats .stat-lbl {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ============================================================
   SECTION STYLES
   ============================================================ */
.section-title {
  font-family: var(--font-heading);
  color: var(--color-h2);
  border-bottom: 3px solid var(--color-accent);
  padding-bottom: 10px;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title i {
  color: var(--color-accent);
  font-size: 1.3rem;
}

/* ============================================================
   CARDS
   ============================================================ */
.lib-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition), transform var(--transition);
  overflow: hidden;
}

.lib-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.lib-card-header {
  background: var(--color-header-bg);
  color: var(--color-header-text);
  padding: 11px 16px;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.lib-card-header i {
  color: var(--color-accent);
}

.lib-card-body {
  padding: 20px;
}

/* ============================================================
   QUICK LINKS
   ============================================================ */
.quick-link-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  background: var(--color-highlight-bg);
  border: 1px solid var(--color-content-border);
  color: var(--color-link);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all var(--transition);
  text-decoration: none;
}

.quick-link-item:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  text-decoration: none;
}

.quick-link-item i {
  font-size: 1.1rem;
}

/* ============================================================
   NOTICE TICKER
   ============================================================ */
.notice-bar {
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  padding: 7px 0;
  overflow: hidden;
}

.notice-bar .notice-label {
  background: var(--color-header-bg);
  padding: 4px 16px;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.notice-ticker {
  white-space: nowrap;
  animation: ticker 30s linear infinite;
  display: inline-block;
  padding-left: 20px;
}

@keyframes ticker {
  from {
    transform: translateX(100%);
  }

  to {
    transform: translateX(-100%);
  }
}

.notice-ticker:hover {
  animation-play-state: paused;
}

/* ============================================================
   SEARCH FORM
   ============================================================ */
.search-box {
  background: var(--color-content-bg);
  border: 1px solid var(--color-content-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.search-box .form-control {
  border: 1.5px solid var(--color-input-border);
  background: var(--color-input-bg);
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-p);
  padding: 10px 16px;
}

.search-box .form-control:focus {
  border-color: var(--color-input-focus);
  box-shadow: 0 0 0 3px rgba(194, 165, 109, 0.15);
}

.btn-search {
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 8px 18px;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background var(--transition);
}

.btn-search:hover {
  background: var(--color-accent-dark);
}

.btn-primary-lib {
  background: var(--color-header-bg);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  padding: 7px 18px;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary-lib:hover {
  background: var(--color-accent);
  color: white;
}

/* ============================================================
   TABLE STYLES
   ============================================================ */
.lib-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: 0.92rem;
}

.lib-table thead {
  background: var(--color-header-bg);
  color: var(--color-header-text);
}

.lib-table thead th {
  padding: 12px 14px;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: none;
}

.lib-table tbody tr {
  border-bottom: 1px solid var(--color-content-border);
  transition: background var(--transition);
}

.lib-table tbody tr:hover {
  background: var(--color-highlight-bg);
}

.lib-table tbody td {
  padding: 10px 14px;
  color: var(--color-p);
  vertical-align: middle;
}

.badge-available {
  background: rgba(42, 92, 58, 0.12);
  color: var(--color-success);
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 20px;
  font-family: var(--font-ui);
  font-weight: 600;
  border: 1px solid rgba(42, 92, 58, 0.25);
}

.badge-unavailable {
  background: rgba(139, 34, 34, 0.1);
  color: var(--color-danger);
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 20px;
  font-family: var(--font-ui);
  font-weight: 600;
  border: 1px solid rgba(139, 34, 34, 0.2);
}

/* ============================================================
   FORMS
   ============================================================ */
.form-label {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-h4);
  margin-bottom: 5px;
}

.form-control,
.form-select {
  border: 1.5px solid var(--color-input-border);
  background: var(--color-input-bg);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.93rem;
  color: var(--color-p);
  padding: 9px 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--color-input-focus);
  box-shadow: 0 0 0 3px rgba(194, 165, 109, 0.15);
  background: #F7F7F7;
  outline: none;
}

.form-control::placeholder {
  color: var(--color-p-light);
}

/* ============================================================
   FOOTER
   ============================================================ */
#site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: 48px 0 0;
  border-top: 3px solid var(--color-header-accent);
  font-family: var(--font-body);
}

#site-footer h5 {
  color: var(--color-accent);
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-footer-border);
}

#site-footer a {
  color: var(--color-footer-link);
}

#site-footer a:hover {
  color: var(--color-footer-link-hover);
  text-decoration: none;
}

#site-footer p {
  color: var(--color-footer-text);
  font-size: 0.88rem;
}

#site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

#site-footer ul li {
  margin-bottom: 8px;
  font-size: 0.88rem;
}

#site-footer ul li i {
  color: var(--color-accent);
  margin-right: 6px;
  font-size: 0.85rem;
}

.footer-bottom {
  background: var(--color-topbar-bg);
  margin-top: 36px;
  padding: 14px 0;
  border-top: 1px solid var(--color-footer-border);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--color-topbar-text);
  text-align: center;
}

.footer-bottom a {
  color: var(--color-accent);
}

/* ============================================================
   ACCESSIBILITY TOOLBAR
   ============================================================ */
#accessibility-bar {
  background: #2C3947;
  border-bottom: 1px solid #1e2c38;
  padding: 4px 0;
  font-size: 0.8rem;
  font-family: var(--font-ui);
  color: #E8EDF2;
}

.a11y-btn {
  background: none;
  border: 1px solid rgba(255,255,255,0.3);
  color: #E8EDF2;
  padding: 3px 10px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 0.78rem;
  font-family: var(--font-ui);
  margin: 2px 2px;
  transition: all var(--transition);
}

.a11y-btn:hover {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border-color: rgba(255,255,255,0.6);
}

.a11y-btn:focus-visible {
  outline: 3px solid #C2A56D;
}

/* ============================================================
   FONT SIZE ACCESSIBILITY CLASSES
   ============================================================ */
body.font-sm {
  font-size: 14px;
}

body.font-md {
  font-size: 16px;
}

body.font-lg {
  font-size: 19px;
}

body.font-xl {
  font-size: 22px;
}

/* High Contrast Mode */
body.high-contrast {
  --color-body-bg: #000;
  --color-content-bg: #000;
  --color-p: #fff;
  --color-h1: #ffff00;
  --color-h2: #ffff00;
  --color-h3: #ffff00;
  --color-h4: #fff;
  --color-h5: #fff;
  --color-h6: #fff;
  --color-accent: #ffff00;
  --color-card-bg: #111;
  --color-card-border: #fff;
}

/* ============================================================
   MODAL STYLES
   ============================================================ */
.lib-modal .modal-header {
  background: var(--color-header-bg);
  color: var(--color-header-text);
  border-bottom: 2px solid var(--color-accent);
}

.lib-modal .modal-title {
  font-family: var(--font-heading);
  color: var(--color-header-text);
}

.lib-modal .modal-header .btn-close {
  filter: invert(1);
}

.lib-modal .modal-footer {
  background: var(--color-section-bg);
}

/* ============================================================
   ADMIN STYLES
   ============================================================ */
.admin-sidebar {
  background: var(--color-header-bg);
  min-height: 100vh;
  padding: 24px 0;
}

.admin-sidebar .nav-link {
  color: var(--color-nav-text);
  font-family: var(--font-ui);
  font-size: 0.88rem;
  padding: 10px 20px;
  transition: all var(--transition);
  border-left: 3px solid transparent;
}

.admin-sidebar .nav-link:hover,
.admin-sidebar .nav-link.active {
  background: rgba(194, 165, 109, 0.12);
  color: var(--color-accent);
  border-left-color: var(--color-accent);
}

.admin-sidebar .nav-link i {
  width: 20px;
  margin-right: 8px;
}

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination .page-link {
  color: var(--color-link);
  border-color: var(--color-content-border);
  font-family: var(--font-ui);
  font-size: 0.88rem;
}

.pagination .page-item.active .page-link {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.pagination .page-link:hover {
  background: var(--color-section-bg);
  color: var(--color-accent);
}

/* ============================================================
   UTILITY
   ============================================================ */
.bg-lib-accent {
  background: var(--color-accent) !important;
}

.bg-lib-dark {
  background: var(--color-header-bg) !important;
}

.text-lib-gold {
  color: var(--color-accent) !important;
}

.text-lib-dark {
  color: var(--color-header-bg) !important;
}

.border-lib {
  border-color: var(--color-content-border) !important;
}

/* ============================================================
   KANNADA FONT OVERRIDE
   ============================================================ */
body[data-lang="kn"] h1,
body[data-lang="kn"] h2,
body[data-lang="kn"] h3,
body[data-lang="kn"] .header-title-en,
body[data-lang="kn"] p {
  font-family: 'Noto Serif Kannada', var(--font-heading), serif;
}

/* ============================================================
   ABOUT PAGE — Hero
   ============================================================ */
.about-hero {
  background: linear-gradient(135deg, #1e2c38 0%, #2C3947 60%, #3a4f63 100%);
  color: #fff;
  padding: 28px 0;
  border-bottom: 3px solid var(--color-accent);
}

.about-hero h1 {
  color: #fff;
  font-size: clamp(1.2rem, 2vw, 1.7rem);
  font-family: var(--font-heading);
}

.about-hero-icon {
  width: 56px;
  height: 56px;
  background: rgba(194,165,109,0.15);
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* ============================================================
   ABOUT PAGE — Tab Navigation
   ============================================================ */
.about-nav-wrap {
  position: sticky;
  top: 80px;
}

.about-tab-nav {
  gap: 3px;
}

.about-tab-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-p);
  background: transparent;
  border: 1px solid transparent;
  text-align: left;
  transition: all var(--transition);
  cursor: pointer;
  width: 100%;
}

.about-tab-btn i {
  font-size: 1rem;
  width: 18px;
  flex-shrink: 0;
  color: var(--color-p-muted);
}

.about-tab-btn:hover {
  background: var(--color-section-bg);
  border-color: var(--color-content-border);
  color: var(--color-h3);
}

.about-tab-btn.active {
  background: var(--color-header-bg);
  border-color: var(--color-accent);
  color: #fff;
  font-weight: 600;
  border-left: 3px solid var(--color-accent);
}

.about-tab-btn.active i {
  color: var(--color-accent);
}

/* ============================================================
   ABOUT PAGE — Section header
   ============================================================ */
.about-section-header {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 1.8vw, 1.45rem);
  font-weight: 700;
  color: var(--color-h2);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 3px solid var(--color-accent);
}

/* ============================================================
   ABOUT PAGE — Key Facts cards
   ============================================================ */
.fact-card {
  background: var(--color-section-bg);
  border: 1px solid var(--color-content-border);
  border-radius: var(--radius-md);
  padding: 18px 12px;
  text-align: center;
  transition: all var(--transition);
}

.fact-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card);
}

.fact-icon {
  font-size: 1.6rem;
  color: var(--color-accent);
  display: block;
  margin-bottom: 8px;
}

.fact-val {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-h2);
  line-height: 1.1;
}

.fact-lbl {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: var(--color-p-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 4px;
}

/* ============================================================
   ABOUT PAGE — Core Values
   ============================================================ */
.value-card {
  background: var(--color-section-bg);
  border: 1px solid var(--color-content-border);
  border-radius: var(--radius-md);
  padding: 18px 14px;
  text-align: center;
  height: 100%;
  transition: all var(--transition);
}

.value-card:hover {
  border-color: var(--color-accent);
}

.value-icon {
  font-size: 1.8rem;
  color: var(--color-accent);
  display: block;
  margin-bottom: 8px;
}

.value-title {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--color-h3);
  margin-bottom: 6px;
}

/* ============================================================
   ABOUT PAGE — Objectives list
   ============================================================ */
.obj-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-content-border);
}

.obj-item:last-child {
  border-bottom: none;
}

.obj-num {
  width: 28px;
  height: 28px;
  background: var(--color-header-bg);
  color: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.obj-body {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--color-p);
}

/* ============================================================
   ABOUT PAGE — History Timeline
   ============================================================ */
.timeline {
  position: relative;
  padding-left: 28px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 9px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-header-bg));
}

.tl-item {
  position: relative;
  margin-bottom: 28px;
  display: flex;
  gap: 16px;
}

.tl-item:last-child {
  margin-bottom: 0;
}

.tl-marker {
  width: 36px;
  height: 36px;
  background: var(--color-header-bg);
  border: 3px solid var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-left: -46px;
  z-index: 1;
}

.tl-content {
  flex: 1;
  padding-bottom: 8px;
}

.tl-year {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 2px;
}

.tl-title {
  font-family: var(--font-ui);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-h3);
  margin-bottom: 4px;
}

.tl-desc {
  font-size: 0.88rem;
  color: var(--color-p-muted);
  margin-bottom: 0;
  line-height: 1.6;
}

/* ============================================================
   ABOUT PAGE — Org Chart
   ============================================================ */
.org-level {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.org-level-row {
  justify-content: center;
}

.org-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 600;
  text-align: center;
  min-width: 110px;
  max-width: 140px;
}

.org-box i {
  font-size: 1.2rem;
}

.org-level-1 {
  background: var(--color-header-bg);
  color: #fff;
  border: 2px solid var(--color-accent);
  font-size: 0.92rem;
  min-width: 200px;
}

.org-level-1 i {
  color: var(--color-accent);
  font-size: 1.5rem;
}

.org-level-2 {
  background: #3a4f63;
  color: #fff;
  border: 1px solid var(--color-accent);
}

.org-level-2 i { color: var(--color-accent-light); }

.org-level-3 {
  background: var(--color-section-bg);
  color: var(--color-h3);
  border: 1px solid var(--color-content-border);
}

.org-level-3 i { color: var(--color-accent); }

.org-level-4 {
  background: var(--color-content-bg);
  color: var(--color-p-muted);
  border: 1px solid var(--color-content-border);
  font-weight: 500;
}

.org-level-4 i { color: var(--color-p-muted); }

.org-vline {
  width: 2px;
  height: 22px;
  background: var(--color-accent);
  margin: 6px auto;
}

/* ============================================================
   ABOUT PAGE — Infrastructure cards
   ============================================================ */
.infra-card {
  background: var(--color-section-bg);
  border: 1px solid var(--color-content-border);
  border-radius: var(--radius-md);
  padding: 18px 12px;
  text-align: center;
  transition: all var(--transition);
}

.infra-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card);
}

.infra-icon {
  font-size: 1.6rem;
  color: var(--color-accent);
  display: block;
  margin-bottom: 8px;
}

.infra-val {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-h2);
}

.infra-lbl {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: var(--color-p-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 3px;
}

/* ============================================================
   ABOUT PAGE — Staff avatar
   ============================================================ */
.staff-avatar-lg {
  width: 72px;
  height: 72px;
  background: var(--color-section-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--color-accent);
  border: 2px solid var(--color-content-border);
  margin: 0 auto;
}

/* ============================================================
   STAFF DIRECTORY CARDS
   ============================================================ */
/* Large librarian photo */
.staff-photo-wrap-lg {
  width: 140px;
  height: 160px;
  border-radius: var(--radius-lg);
  border: 3px solid var(--color-accent);
  overflow: hidden;
  margin: 0 auto;
  background: var(--color-section-bg);
}

.staff-photo-lg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
}

.staff-photo-fallback-lg {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  color: var(--color-accent);
}

/* Staff card — name/designation header above the photo */
.staff-card-top {
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--color-content-border);
  background: var(--color-content-bg);
}

.staff-card-desig-label {
  display: inline-block;
  background: var(--color-header-bg);
  color: var(--color-accent);
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: 4px;
  margin-top: 4px;
}

/* Staff card */
.staff-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.staff-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.staff-card-photo-wrap {
  height: 360px;
  position: relative;
  background: var(--color-section-bg);
  overflow: hidden;
}

.staff-card-photo-wrap-sm {
  height: 280px;
}

.staff-card-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
  display: block;
  transition: transform 0.35s ease;
}

.staff-card:hover .staff-card-photo {
  transform: scale(1.04);
}

.staff-card-photo-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: var(--color-accent);
  background: var(--color-section-bg);
}

.staff-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(44,57,71,0.95) 0%, transparent 100%);
  padding: 16px 12px 10px;
}

.staff-card-desig {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-accent-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.staff-card-body {
  padding: 14px 14px 16px;
}

.staff-card-name {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-h3);
  margin-bottom: 2px;
  line-height: 1.3;
}

.staff-card-section {
  font-family: var(--font-ui);
  font-size: 0.76rem;
  color: var(--color-p-muted);
  margin-bottom: 8px;
}

.staff-card-contacts {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.staff-contact-link {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--color-p-muted);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition);
  word-break: break-all;
}

.staff-contact-link:hover {
  color: var(--color-accent);
}

.staff-contact-link i {
  flex-shrink: 0;
  color: var(--color-accent);
  font-size: 0.82rem;
}

.staff-card-support .staff-card-photo-wrap {
  height: 260px;
}

@media (max-width: 576px) {
  .staff-card-photo-wrap { height: 280px; }
  .staff-card-photo-wrap-sm { height: 240px; }
  .staff-photo-wrap-lg { width: 110px; height: 125px; }
}

/* ============================================================
   ABOUT PAGE — lead text
   ============================================================ */
.lead-text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-p);
}

/* ============================================================
   OPAC TAB NAVIGATION
   ============================================================ */
.opac-tab-nav {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--color-content-border);
  flex-wrap: wrap;
}

.opac-tab-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-p-muted);
  text-decoration: none;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  border: 1px solid transparent;
  border-bottom: none;
  transition: all var(--transition);
  white-space: nowrap;
  margin-bottom: -2px;
}

.opac-tab-link:hover {
  color: var(--color-h3);
  background: var(--color-section-bg);
  text-decoration: none;
}

.opac-tab-link.active {
  color: var(--color-h2);
  background: var(--color-content-bg);
  border-color: var(--color-content-border);
  border-bottom-color: var(--color-content-bg);
  font-weight: 600;
}

.opac-tab-link.active i {
  color: var(--color-accent);
}

@media (max-width: 576px) {
  .opac-tab-link span { display: none; }
  .opac-tab-link { padding: 9px 12px; }
}

/* ============================================================
   VC / WELCOME MESSAGE PAGE
   ============================================================ */
.vc-section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 1.8vw, 1.4rem);
  font-weight: 700;
  color: var(--color-h2);
}

.vc-section-label::before,
.vc-section-label::after {
  content: '';
  flex: 1;
  height: 2px;
  background: linear-gradient(to right, var(--color-accent), transparent);
}

.vc-section-label::after {
  background: linear-gradient(to left, var(--color-accent), transparent);
}

/* Profile card */
.vc-profile-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  text-align: center;
  position: sticky;
  top: 90px;
}

.vc-photo-wrap {
  background: linear-gradient(135deg, var(--color-header-bg), #3a4f63);
  padding: 24px 24px 0;
}

.vc-photo {
  width: 140px;
  height: 160px;
  object-fit: cover;
  object-position: top;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  display: block;
  margin: 0 auto;
  border: 3px solid var(--color-accent);
}

.vc-photo-fallback {
  width: 96px;
  height: 96px;
  background: var(--color-section-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--color-accent);
  border: 2px solid var(--color-content-border);
  margin: 0 auto;
}

.vc-profile-body {
  padding: 16px;
}

.vc-name {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-h2);
  margin-bottom: 4px;
}

.vc-title {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 4px;
}

.vc-university {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--color-p-muted);
  margin-bottom: 0;
}

.vc-divider {
  height: 1px;
  background: var(--color-content-border);
  margin: 12px 0;
}

.vc-web-link {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--color-accent);
  text-decoration: none;
}

.vc-web-link:hover { color: var(--color-accent-dark); }

/* Message card */
.vc-message-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.vc-message-header {
  background: linear-gradient(135deg, var(--color-header-bg) 0%, #3a4f63 100%);
  padding: 16px 24px 8px;
}

.vc-message-body {
  padding: 24px 28px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--color-p);
}

.vc-message-body p {
  margin-bottom: 1.1rem;
  text-align: justify;
}

.vc-message-body p:last-of-type { margin-bottom: 0; }

/* Signature block */
.vc-signature {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 2px solid var(--color-accent);
}

.vc-sig-name {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-h2);
}

.vc-sig-title {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--color-accent);
  margin-top: 2px;
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .vc-profile-card { position: static; }
  .vc-message-body { padding: 18px 16px; font-size: 0.9rem; }
  .vc-photo { width: 100px; height: 115px; }
}

/* ============================================================
   NOTICES & ANNOUNCEMENTS PAGE
   ============================================================ */
.news-card {
  transition: box-shadow var(--transition), transform var(--transition);
}

.news-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.news-card-pinned {
  box-shadow: 0 0 0 2px rgba(194,165,109,0.4), var(--shadow-card);
}

.news-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-family: var(--font-ui);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 7px;
  border-radius: 10px;
  color: #fff;
}

.news-pinned-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: rgba(194,165,109,0.08);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 0.88rem;
}

/* ============================================================
   NEW ARRIVALS PAGE
   ============================================================ */
.na-hero-stat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  padding: 5px 12px;
  border-radius: 20px;
}

.na-section-title {
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-h3);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 0;
}

/* Book card */
.na-book-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  height: 100%;
  transition: box-shadow var(--transition), transform var(--transition);
}

.na-book-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.na-book-spine {
  height: 5px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-header-bg));
}

.na-book-title {
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--color-h3);
  margin-bottom: 6px;
}

.na-book-featured {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(194,165,109,0.3), var(--shadow-card);
}

.na-badge-featured-strip {
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 3px 10px;
  text-align: center;
}

/* Featured card */
.na-featured-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  height: 100%;
  transition: all var(--transition);
}

.na-featured-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.na-cover {
  height: 180px;
  background: var(--color-header-bg) no-repeat center/cover;
}

.na-cover-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: rgba(255,255,255,0.2);
}

.na-featured-body {
  padding: 16px;
}

.na-badge-featured {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
}

/* Empty state */
.na-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-p-muted);
}

.na-empty i { font-size: 2.5rem; opacity: 0.3; display: block; margin-bottom: 12px; }
.na-empty p { margin-bottom: 16px; }

/* ============================================================
   RESEARCH SUPPORT PAGE
   ============================================================ */
.rs-cite-example {
  background: var(--color-section-bg);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--color-p);
}

/* ============================================================
   DIGITAL LIBRARY PAGE
   ============================================================ */
.dl-card { transition: box-shadow var(--transition), transform var(--transition); }
.dl-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }

.dl-card-qp  { border-top: 4px solid #2C3947; }
.dl-card-pub { border-top: 4px solid #C2A56D; }
.dl-card-proc{ border-top: 4px solid #2a5c3a; }
.dl-card-av  { overflow: hidden; }

.dl-card-rare { border-top: 4px solid #7a5c18; }
.dl-rare-spine {
  height: 5px;
  background: linear-gradient(90deg, #7a5c18, #C2A56D);
}

/* Empty state */
.dl-empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-p-muted);
}
.dl-empty-state i { font-size: 3rem; opacity: 0.3; display: block; margin-bottom: 12px; }
.dl-empty-state p { margin-bottom: 16px; }

/* Type pill in card header */
.dl-type-pill {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  opacity: 0.75;
}

/* Small badge inside cards */
.dl-badge {
  display: inline-block;
  background: var(--color-section-bg);
  color: var(--color-p-muted);
  font-family: var(--font-ui);
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 10px;
  border: 1px solid var(--color-content-border);
}

/* Icon buttons in card header (admin) */
.dl-icon-btn {
  background: none;
  border: none;
  color: rgba(255,255,255,0.65);
  padding: 2px 5px;
  cursor: pointer;
  border-radius: 3px;
  transition: all var(--transition);
  font-size: 0.82rem;
}
.dl-icon-btn:hover { background: rgba(255,255,255,0.15); color: #fff; }
.dl-icon-btn.danger:hover { background: rgba(139,34,34,0.4); color: #fff; }
.dl-icon-btn.sm { font-size: 0.75rem; padding: 1px 4px; }

/* AV Lecture thumbnail */
.dl-av-thumb {
  height: 160px;
  background: #1a1a2e no-repeat center/cover;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
}
.dl-av-thumb-local { background: linear-gradient(135deg, #1e2c38, #2C3947); }
.dl-av-thumb-audio { background: linear-gradient(135deg, #1a1a1a, #2d2d2d); }
.dl-av-thumb-generic { background: var(--color-header-bg); }

.dl-av-play {
  font-size: 3rem;
  color: rgba(255,255,255,0.85);
  transition: transform var(--transition);
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.5));
}
.dl-av-thumb:hover .dl-av-play { transform: scale(1.15); color: #fff; }

.dl-av-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0,0,0,0.65);
  color: #fff;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 12px;
}

.dl-av-audio-icon {
  font-size: 3rem;
  color: rgba(255,255,255,0.3);
}

/* ============================================================
   E-RESOURCES PAGE
   ============================================================ */
.er-cat-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 14px;
  border-radius: 20px;
  border: 1px solid var(--color-content-border);
  background: var(--color-content-bg);
  color: var(--color-p-muted);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}

.er-cat-pill:hover,
.er-cat-pill.active {
  background: var(--color-header-bg);
  color: #fff;
  border-color: var(--color-header-bg);
  text-decoration: none;
}

.er-card {
  transition: box-shadow var(--transition), transform var(--transition);
}

.er-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.er-access-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  background: var(--color-header-bg);
  color: #fff;
  border-radius: var(--radius-md);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition);
}

.er-access-btn:hover {
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
}

.er-oa-card {
  border: 1px solid var(--color-content-border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  background: var(--color-content-bg);
}

.er-oa-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card);
  background: var(--color-highlight-bg);
}

.er-subject-link {
  background: var(--color-section-bg);
  border: 1px solid transparent;
  transition: all var(--transition);
}

.er-subject-link:hover {
  background: var(--color-highlight-bg);
  border-color: var(--color-content-border);
  text-decoration: none;
}

.er-tut-card {
  transition: box-shadow var(--transition);
}

.er-tut-card:hover {
  box-shadow: var(--shadow-hover);
}

/* ============================================================
   MEMBERSHIP PAGE — Step Cards
   ============================================================ */
.step-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--color-section-bg);
  border: 1px solid var(--color-content-border);
  border-radius: var(--radius-md);
  padding: 16px;
  height: 100%;
  transition: border-color var(--transition);
}

.step-card:hover {
  border-color: var(--color-accent);
}

.step-num {
  width: 32px;
  height: 32px;
  background: var(--color-header-bg);
  color: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  flex-shrink: 0;
}

.step-title {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-h3);
  margin-bottom: 4px;
}

.step-text {
  font-size: 0.84rem;
  color: var(--color-p-muted);
  line-height: 1.55;
}

/* ============================================================
   MEMBERSHIP PAGE — Policy list
   ============================================================ */
.policy-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.policy-list li {
  padding: 8px 0;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--color-content-border);
  line-height: 1.5;
}

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

/* ============================================================
   MEMBERSHIP PAGE — Policy Highlight Boxes
   ============================================================ */
.policy-box {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border-left: 5px solid;
  font-size: 0.9rem;
  line-height: 1.6;
}

.policy-box i {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.policy-box-info {
  background: rgba(44, 57, 71, 0.06);
  border-color: var(--color-header-bg);
  color: var(--color-p);
}

.policy-box-info i { color: var(--color-header-bg); }

.policy-box-warn {
  background: rgba(122, 92, 24, 0.08);
  border-color: #7a5c18;
  color: var(--color-p);
}

.policy-box-warn i { color: #7a5c18; }

.policy-box-danger {
  background: rgba(139, 34, 34, 0.07);
  border-color: var(--color-danger);
  color: var(--color-p);
}

.policy-box-danger i { color: var(--color-danger); }

/* ============================================================
   MEMBERSHIP PAGE — FAQ Accordion
   ============================================================ */
.faq-accordion-item {
  border: 1px solid var(--color-content-border);
  border-radius: var(--radius-md) !important;
  margin-bottom: 8px;
  overflow: hidden;
}

.faq-btn {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-h3) !important;
  background: var(--color-section-bg) !important;
  box-shadow: none !important;
  padding: 14px 16px;
}

.faq-btn:not(.collapsed) {
  background: var(--color-header-bg) !important;
  color: #fff !important;
}

.faq-btn:not(.collapsed) i {
  color: var(--color-accent) !important;
}

.faq-btn::after {
  filter: none;
}

.faq-answer {
  font-size: 0.9rem;
  color: var(--color-p);
  line-height: 1.7;
  background: var(--color-content-bg);
  padding: 14px 18px;
}

/* ============================================================
   HOME BANNER CAROUSEL
   ============================================================ */
/* Bootstrap sets .carousel-item{display:none}/.active{display:block}.
   Using display:flex on the item itself overrides that and makes every
   slide visible simultaneously — so we must NOT use flex here.
   Vertical centering is achieved with padding instead. */
.home-banner-slide {
  min-height: 260px;
  position: relative;
  overflow: hidden;
  padding: 44px 0;
}

.home-banner-slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.home-banner-content {
  color: #fff;
  max-width: 680px;
  padding: 36px 0;
}

.home-banner-content h2 {
  color: #fff;
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 2.5vw, 2rem);
  font-weight: 700;
  margin-bottom: 12px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
  line-height: 1.25;
}

.home-banner-content p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.95rem;
  margin-bottom: 22px;
}

.banner-tag {
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 4px 14px;
  border-radius: 20px;
  display: inline-block;
  margin-bottom: 14px;
}

.banner-cta {
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  padding: 10px 24px;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.banner-cta:hover {
  background: var(--color-accent-dark);
  transform: translateX(4px);
}

/* ============================================================
   FEATURED BOOKS
   ============================================================ */
.featured-book-card {
  transition: box-shadow var(--transition), transform var(--transition);
}

.featured-book-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.featured-book-spine {
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-header-bg) 100%);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

/* ============================================================
   SECTION SUB-LABEL
   ============================================================ */
.section-sub-label {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-h4);
  margin-bottom: 12px;
}

/* ============================================================
   VISITOR COUNTER
   ============================================================ */
.visitor-stat-box {
  padding: 14px 8px;
  background: var(--color-section-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-content-border);
}

.visitor-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.visitor-lbl {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  color: var(--color-p-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 5px;
}

/* ============================================================
   RESPONSIVE ADJUSTMENTS
   ============================================================ */
@media (max-width: 768px) {
  .home-banner-slide {
    min-height: 200px;
    padding: 28px 0;
  }

  .home-banner-content {
    padding: 0;
  }

  .home-banner-content h2 {
    font-size: 1.2rem;
  }

  .global-search input {
    width: 150px;
  }

  .hero-banner {
    padding: 36px 0 30px;
  }

  .hero-stats .stat-num {
    font-size: 1.3rem;
  }

  #site-footer .col-md-3 {
    margin-bottom: 28px;
  }

  /* Un-stick the giant header on mobile so it scrolls away */
  #site-header {
    position: relative;
  }

  /* Stick only the compact navigation bar instead */
  #main-nav {
    position: sticky;
    top: 0;
    z-index: 1020;
  }
}

@media (max-width: 576px) {
  #site-header {
    padding: 12px 0;
  }

  .header-logo {
    width: 72px;
    height: 66px;
    border-radius: 8px;
  }

  .header-title-en {
    font-size: 1.05rem;
  }

  .header-title-kn {
    font-size: 0.92rem;
  }

  /* Hide non-essential texts to reduce initial header height */
  .header-sub,
  .naac-badge {
    display: none !important;
  }

  /* Center the wrapped header elements */
  #site-header .justify-content-between {
    justify-content: center !important;
    text-align: center;
  }

  #site-header .align-items-end {
    align-items: center !important;
  }
}