/*
 * ============================================================
 * KOHA OPAC — ENTERPRISE UI FRAMEWORK
 * Phase A — Foundation Layer
 * Version: 1.0.0
 * Instance: libcom (capce.libcom.in)
 * Design Language: Modern Academic / Enterprise / Minimal
 * ============================================================
 * Components:
 *  01. CSS Custom Properties (Design Tokens)
 *  02. Typography System
 *  03. Responsive Grid System
 *  04. CSS Utility Classes
 *  05. Button System
 *  06. Card Components
 *  07. Icon Framework Utilities
 *  08. Announcement Bar
 *  09. Modern Header
 *  10. Sticky Navigation
 *  11. Mega Menu Framework
 *  12. Hero Placeholder
 *  13. Notification / Toast Area
 *  14. Footer Framework
 *  15. Bootstrap 5 / Koha Override Layer
 * ============================================================
 */

/* ============================================================
   01. CSS CUSTOM PROPERTIES — DESIGN TOKENS
   ============================================================ */

:root {
  /* — Primary Palette — */
  --color-primary:        #F47216;   /* Saffron (BJP Gerua) - Primary highlight/buttons */
  --color-primary-dark:   #0A5C2C;   /* Deep Green - Secondary/footer usage */
  --color-primary-light:  #F7934A;   /* Lighter Saffron */
  --color-primary-muted:  #FDECE3;   /* Very light saffron tint */

  /* — Secondary / Accent Palette — */
  --color-secondary:      #0A5C2C;   /* Deep Green */
  --color-accent:         #0A5C2C;   /* Academic Green */
  --color-accent-dark:    #06421F;
  --color-accent-light:   #128B45;
  --color-accent-muted:   #E6F0EB;

  /* — Neutrals — */
  --color-white:          #ffffff;
  --color-black:          #0a0a0a;
  --color-surface:        #F8F9FA;   /* Off-White - Main page background */
  --color-surface-alt:    #E9ECEF;   /* Alternate surface */
  --color-border:         #dde1e9;   /* Default border */
  --color-border-strong:  #b8bec9;

  /* — Text — */
  --color-text-primary:   #212529;   /* Charcoal Black */
  --color-text-secondary: #4a5568;   /* Mid-grey */
  --color-text-muted:     #718096;   /* Light grey */
  --color-text-inverse:   #ffffff;
  --color-text-link:      #0056B3;   /* Royal Blue */
  --color-text-link-hover:#003366;   /* Dark Blue */

  /* — Status Colors — */
  --color-success:        #166534;
  --color-success-bg:     #dcfce7;
  --color-success-border: #86efac;
  --color-warning:        #92400e;
  --color-warning-bg:     #fef3c7;
  --color-warning-border: #fcd34d;
  --color-error:          #991b1b;
  --color-error-bg:       #fee2e2;
  --color-error-border:   #fca5a5;
  --color-info:           #1e40af;
  --color-info-bg:        #dbeafe;
  --color-info-border:    #93c5fd;

  /* — Spacing Scale (4px base) — */
  --space-0:   0;
  --space-1:   0.25rem;  /* 4px  */
  --space-2:   0.5rem;   /* 8px  */
  --space-3:   0.75rem;  /* 12px */
  --space-4:   1rem;     /* 16px */
  --space-5:   1.25rem;  /* 20px */
  --space-6:   1.5rem;   /* 24px */
  --space-8:   2rem;     /* 32px */
  --space-10:  2.5rem;   /* 40px */
  --space-12:  3rem;     /* 48px */
  --space-16:  4rem;     /* 64px */
  --space-20:  5rem;     /* 80px */
  --space-24:  6rem;     /* 96px */

  /* — Typography — */
  --font-family-base:   'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-family-mono:   'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --font-size-xs:       0.75rem;    /* 12px */
  --font-size-sm:       0.875rem;   /* 14px */
  --font-size-base:     1rem;       /* 16px */
  --font-size-md:       1.0625rem;  /* 17px */
  --font-size-lg:       1.125rem;   /* 18px */
  --font-size-xl:       1.25rem;    /* 20px */
  --font-size-2xl:      1.5rem;     /* 24px */
  --font-size-3xl:      1.875rem;   /* 30px */
  --font-size-4xl:      2.25rem;    /* 36px */
  --font-size-5xl:      3rem;       /* 48px */
  --font-weight-light:  300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semi:   600;
  --font-weight-bold:   700;
  --line-height-tight:  1.25;
  --line-height-snug:   1.375;
  --line-height-base:   1.6;
  --line-height-relaxed:1.75;
  --letter-spacing-tight: -0.025em;
  --letter-spacing-normal: 0em;
  --letter-spacing-wide:   0.025em;
  --letter-spacing-wider:  0.05em;

  /* — Border Radius — */
  --radius-sm:   3px;
  --radius-base: 4px;
  --radius-md:   6px;
  --radius-lg:   8px;
  --radius-xl:   12px;
  --radius-full: 9999px;

  /* — Shadows — */
  --shadow-xs:  0 1px 2px rgba(0,0,0,0.06);
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md:  0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.05);
  --shadow-lg:  0 10px 15px rgba(0,0,0,0.08), 0 4px 6px rgba(0,0,0,0.05);
  --shadow-xl:  0 20px 25px rgba(0,0,0,0.09), 0 10px 10px rgba(0,0,0,0.04);
  --shadow-focus: 0 0 0 3px rgba(37, 99, 235, 0.35);

  /* — Transitions — */
  --transition-fast:   100ms ease;
  --transition-base:   180ms ease;
  --transition-slow:   300ms ease;

  /* — Layout — */
  --header-height:     64px;
  --nav-height:        48px;
  --announce-height:   40px;
  --container-max:     1440px;
  --container-pad:     clamp(1rem, 4vw, 2.5rem);

  /* — Z-index Scale — */
  --z-base:      1;
  --z-dropdown:  100;
  --z-sticky:    200;
  --z-header:    300;
  --z-modal:     400;
  --z-toast:     500;
  --z-announce:  600;
}

/* Dark mode token overrides */
@media (prefers-color-scheme: dark) {
  :root {
    --color-surface:       #0f1623;
    --color-surface-alt:   #1a2230;
    --color-border:        #2d3748;
    --color-border-strong: #4a5568;
    --color-text-primary:  #e2e8f0;
    --color-text-secondary:#a0aec0;
    --color-text-muted:    #718096;
    --color-primary-muted: #1a2d45;
  }
}

/* ============================================================
   02. TYPOGRAPHY SYSTEM
   ============================================================ */

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

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-base);
  color: var(--color-text-primary);
  background-color: var(--color-surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Heading Scale */
.ent-h1, h1 { font-size: clamp(1.75rem, 4vw, var(--font-size-4xl)); }
.ent-h2, h2 { font-size: clamp(1.375rem, 3vw, var(--font-size-3xl)); }
.ent-h3, h3 { font-size: clamp(1.125rem, 2.5vw, var(--font-size-2xl)); }
.ent-h4, h4 { font-size: var(--font-size-xl); }
.ent-h5, h5 { font-size: var(--font-size-lg); }
.ent-h6, h6 { font-size: var(--font-size-base); }

.ent-h1, .ent-h2, .ent-h3, .ent-h4, .ent-h5, .ent-h6 {
  font-weight: var(--font-weight-semi);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
  letter-spacing: var(--letter-spacing-tight);
  margin-top: 0;
  margin-bottom: var(--space-4);
}

.ent-lead      { font-size: var(--font-size-lg); line-height: var(--line-height-relaxed); color: var(--color-text-secondary); }
.ent-body      { font-size: var(--font-size-base); line-height: var(--line-height-base); }
.ent-body-sm   { font-size: var(--font-size-sm); line-height: var(--line-height-base); }
.ent-caption   { font-size: var(--font-size-xs); line-height: var(--line-height-snug); color: var(--color-text-muted); }
.ent-label     { font-size: var(--font-size-xs); font-weight: var(--font-weight-semi); letter-spacing: var(--letter-spacing-wider); text-transform: uppercase; color: var(--color-text-secondary); }
.ent-overline  { font-size: var(--font-size-xs); font-weight: var(--font-weight-medium); letter-spacing: var(--letter-spacing-wider); text-transform: uppercase; color: var(--color-accent); }

/* Skip to content (accessibility) */
.ent-skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  z-index: 9999;
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: var(--color-white);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semi);
  border-radius: var(--radius-base);
  text-decoration: none;
  transition: top var(--transition-fast);
}
.ent-skip-link:focus {
  top: var(--space-4);
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ============================================================
   03. RESPONSIVE GRID SYSTEM
   ============================================================ */

.ent-container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.ent-container--narrow { max-width: 768px; }
.ent-container--wide   { max-width: 1600px; }
.ent-container--full   { max-width: none; padding-inline: 0; }

/* 12-column CSS Grid */
.ent-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-6);
}

.ent-grid--gap-sm  { gap: var(--space-4); }
.ent-grid--gap-lg  { gap: var(--space-8); }
.ent-grid--gap-0   { gap: 0; }

/* Column spans */
.ent-col-1  { grid-column: span 1; }
.ent-col-2  { grid-column: span 2; }
.ent-col-3  { grid-column: span 3; }
.ent-col-4  { grid-column: span 4; }
.ent-col-5  { grid-column: span 5; }
.ent-col-6  { grid-column: span 6; }
.ent-col-7  { grid-column: span 7; }
.ent-col-8  { grid-column: span 8; }
.ent-col-9  { grid-column: span 9; }
.ent-col-10 { grid-column: span 10; }
.ent-col-11 { grid-column: span 11; }
.ent-col-12 { grid-column: span 12; }

/* Responsive: ≤ 1024px → 6-col → spans halved */
@media (max-width: 1024px) {
  .ent-col-3  { grid-column: span 6; }
  .ent-col-4  { grid-column: span 6; }
  .ent-col-8  { grid-column: span 12; }
  .ent-col-9  { grid-column: span 12; }
}

/* Responsive: ≤ 768px → full width */
@media (max-width: 768px) {
  .ent-grid { grid-template-columns: 1fr; }
  [class*="ent-col-"] { grid-column: span 1; }
}

/* Flex helpers */
.ent-flex          { display: flex; }
.ent-flex--center  { align-items: center; justify-content: center; }
.ent-flex--between { align-items: center; justify-content: space-between; }
.ent-flex--start   { align-items: flex-start; }
.ent-flex--end     { align-items: flex-end; }
.ent-flex--wrap    { flex-wrap: wrap; }
.ent-flex--gap-2   { gap: var(--space-2); }
.ent-flex--gap-4   { gap: var(--space-4); }
.ent-flex--gap-6   { gap: var(--space-6); }
.ent-flex--col     { flex-direction: column; }

/* ============================================================
   04. CSS UTILITY CLASSES
   ============================================================ */

/* Spacing — Margin */
.ent-m-0  { margin: 0; }
.ent-m-1  { margin: var(--space-1); }
.ent-m-2  { margin: var(--space-2); }
.ent-m-4  { margin: var(--space-4); }
.ent-m-6  { margin: var(--space-6); }
.ent-mt-0 { margin-top: 0; }
.ent-mt-2 { margin-top: var(--space-2); }
.ent-mt-4 { margin-top: var(--space-4); }
.ent-mt-6 { margin-top: var(--space-6); }
.ent-mt-8 { margin-top: var(--space-8); }
.ent-mb-0 { margin-bottom: 0; }
.ent-mb-2 { margin-bottom: var(--space-2); }
.ent-mb-4 { margin-bottom: var(--space-4); }
.ent-mb-6 { margin-bottom: var(--space-6); }
.ent-mb-8 { margin-bottom: var(--space-8); }
.ent-mx-auto { margin-inline: auto; }

/* Spacing — Padding */
.ent-p-0  { padding: 0; }
.ent-p-2  { padding: var(--space-2); }
.ent-p-4  { padding: var(--space-4); }
.ent-p-6  { padding: var(--space-6); }
.ent-p-8  { padding: var(--space-8); }
.ent-px-4 { padding-inline: var(--space-4); }
.ent-px-6 { padding-inline: var(--space-6); }
.ent-py-4 { padding-block: var(--space-4); }
.ent-py-6 { padding-block: var(--space-6); }
.ent-py-8 { padding-block: var(--space-8); }
.ent-py-12{ padding-block: var(--space-12); }

/* Display */
.ent-block        { display: block; }
.ent-inline-block { display: inline-block; }
.ent-inline-flex  { display: inline-flex; }
.ent-hidden       { display: none !important; }
.ent-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

/* Text Utilities */
.ent-text-left    { text-align: left; }
.ent-text-center  { text-align: center; }
.ent-text-right   { text-align: right; }
.ent-text-primary { color: var(--color-text-primary); }
.ent-text-secondary { color: var(--color-text-secondary); }
.ent-text-muted   { color: var(--color-text-muted); }
.ent-text-accent  { color: var(--color-accent); }
.ent-text-white   { color: var(--color-white); }
.ent-text-sm      { font-size: var(--font-size-sm); }
.ent-text-xs      { font-size: var(--font-size-xs); }
.ent-font-medium  { font-weight: var(--font-weight-medium); }
.ent-font-semi    { font-weight: var(--font-weight-semi); }
.ent-font-bold    { font-weight: var(--font-weight-bold); }
.ent-truncate     { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Background */
.ent-bg-surface   { background-color: var(--color-surface); }
.ent-bg-white     { background-color: var(--color-white); }
.ent-bg-primary   { background-color: var(--color-primary); color: var(--color-white); }
.ent-bg-primary-muted { background-color: var(--color-primary-muted); }

/* Border */
.ent-border       { border: 1px solid var(--color-border); }
.ent-border-top   { border-top: 1px solid var(--color-border); }
.ent-border-bottom{ border-bottom: 1px solid var(--color-border); }
.ent-rounded      { border-radius: var(--radius-base); }
.ent-rounded-lg   { border-radius: var(--radius-lg); }

/* Width/Height */
.ent-w-full { width: 100%; }
.ent-h-full { height: 100%; }

/* ============================================================
   05. BUTTON SYSTEM
   ============================================================ */

.ent-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  font-family: var(--font-family-base);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  border: 1px solid transparent;
  border-radius: var(--radius-base);
  transition:
    background-color var(--transition-base),
    border-color var(--transition-base),
    color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast);
  outline: none;
  position: relative;
  overflow: hidden;
}

.ent-btn:focus-visible {
  box-shadow: var(--shadow-focus);
  outline: none;
}

.ent-btn:active { transform: translateY(1px); }

/* Sizes */
.ent-btn--sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
}
.ent-btn--lg {
  padding: var(--space-3) var(--space-6);
  font-size: var(--font-size-base);
}
.ent-btn--full { width: 100%; }

/* Primary */
.ent-btn--primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}
.ent-btn--primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
  text-decoration: none;
  box-shadow: var(--shadow-md);
}

/* Secondary */
.ent-btn--secondary {
  background-color: var(--color-white);
  border-color: var(--color-border-strong);
  color: var(--color-text-primary);
}
.ent-btn--secondary:hover {
  background-color: var(--color-surface-alt);
  border-color: var(--color-primary);
  color: var(--color-primary);
  text-decoration: none;
}

/* Ghost */
.ent-btn--ghost {
  background-color: transparent;
  border-color: transparent;
  color: var(--color-primary);
}
.ent-btn--ghost:hover {
  background-color: var(--color-primary-muted);
  color: var(--color-primary-dark);
  text-decoration: none;
}

/* Accent */
.ent-btn--accent {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-black);
}
.ent-btn--accent:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-black);
  text-decoration: none;
}

/* Danger */
.ent-btn--danger {
  background-color: var(--color-error-bg);
  border-color: var(--color-error-border);
  color: var(--color-error);
}
.ent-btn--danger:hover {
  background-color: var(--color-error);
  border-color: var(--color-error);
  color: var(--color-white);
  text-decoration: none;
}

/* Disabled */
.ent-btn:disabled,
.ent-btn--disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Loading state */
.ent-btn--loading::after {
  content: '';
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: ent-spin 0.6s linear infinite;
  margin-left: var(--space-2);
}

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

/* Icon-only button */
.ent-btn--icon {
  padding: var(--space-2);
  width: 36px;
  height: 36px;
}
.ent-btn--icon.ent-btn--lg {
  width: 44px;
  height: 44px;
}

/* ============================================================
   06. CARD COMPONENTS
   ============================================================ */

.ent-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

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

.ent-card__header {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.ent-card__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semi);
  color: var(--color-text-primary);
  margin: 0;
}

.ent-card__body {
  padding: var(--space-6);
}

.ent-card__footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Book Card */
.ent-book-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  height: 100%;
}

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

.ent-book-card__cover {
  position: relative;
  aspect-ratio: 2/3;
  background: linear-gradient(135deg, var(--color-primary-muted), var(--color-surface-alt));
  overflow: hidden;
  flex-shrink: 0;
}

.ent-book-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.ent-book-card:hover .ent-book-card__cover img {
  transform: scale(1.03);
}

.ent-book-card__cover-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--color-text-muted);
  font-size: 2.5rem;
}

.ent-book-card__badge {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  padding: var(--space-1) var(--space-2);
  background: var(--color-accent);
  color: var(--color-black);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semi);
  border-radius: var(--radius-sm);
  line-height: 1;
}

.ent-book-card__meta {
  padding: var(--space-4);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.ent-book-card__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semi);
  color: var(--color-text-primary);
  line-height: var(--line-height-snug);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ent-book-card__author {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin: 0;
}

.ent-book-card__year {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: auto;
}

.ent-book-card__availability {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  margin-top: var(--space-2);
}

.ent-book-card__availability--available {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.ent-book-card__availability--unavailable {
  background: var(--color-error-bg);
  color: var(--color-error);
}

/* Feature Card */
.ent-feature-card {
  padding: var(--space-8);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
  text-align: left;
}

.ent-feature-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.ent-feature-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--color-primary-muted);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  font-size: 1.375rem;
  margin-bottom: var(--space-5);
}

.ent-feature-card__title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semi);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.ent-feature-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

/* Stats Card */
.ent-stat-card {
  padding: var(--space-6);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.ent-stat-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-muted);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.ent-stat-card__content {}
.ent-stat-card__value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.ent-stat-card__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0;
}

/* ============================================================
   07. ICON FRAMEWORK UTILITIES
   ============================================================ */

/* Bootstrap Icons CDN link is injected via opacheader HTML */
.ent-icon       { font-size: 1rem; line-height: 1; vertical-align: -0.125em; }
.ent-icon--xs   { font-size: 0.75rem; }
.ent-icon--sm   { font-size: 0.875rem; }
.ent-icon--md   { font-size: 1.125rem; }
.ent-icon--lg   { font-size: 1.375rem; }
.ent-icon--xl   { font-size: 1.75rem; }
.ent-icon--2xl  { font-size: 2.25rem; }

.ent-icon-text {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

/* ============================================================
   08. ANNOUNCEMENT BAR
   ============================================================ */

.ent-announce {
  width: 100%;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
  line-height: 1;
  position: relative;
  z-index: var(--z-announce);
  overflow: hidden;
}

.ent-announce__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: var(--announce-height);
  padding: var(--space-2) var(--space-16) var(--space-2) var(--space-4);
  gap: var(--space-3);
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.ent-announce__icon {
  flex-shrink: 0;
  opacity: 0.85;
  font-size: var(--font-size-sm);
}

.ent-announce__text {
  text-align: center;
  flex: 1;
}

.ent-announce__text a {
  color: var(--color-accent-light);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.ent-announce__text a:hover {
  color: var(--color-white);
}

.ent-announce__dismiss {
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  line-height: 1;
  font-size: 1.125rem;
  transition: color var(--transition-fast), background var(--transition-fast);
  display: flex;
  align-items: center;
}

.ent-announce__dismiss:hover {
  color: var(--color-white);
  background: rgba(255,255,255,0.1);
}

.ent-announce--hidden {
  display: none !important;
}

/* Accent announcement variant */
.ent-announce--accent {
  background: var(--color-accent);
  color: var(--color-black);
}

.ent-announce--warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border-bottom: 1px solid var(--color-warning-border);
}

/* ============================================================
   09. MODERN HEADER
   ============================================================ */

.ent-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  height: var(--header-height);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.ent-header__inner {
  display: flex;
  align-items: center;
  height: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  gap: var(--space-6);
}

/* Brand / Logo */
.ent-header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
  color: var(--color-text-primary);
}

.ent-header__brand:hover {
  text-decoration: none;
  color: var(--color-primary);
}

.ent-header__logo {
  height: 40px;
  width: auto;
  display: block;
}

.ent-header__logo-mark {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.ent-header__brand-name {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semi);
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
}

.ent-header__brand-sub {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-normal);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
}

/* Search bar in header */
.ent-header__search {
  flex: 1;
  max-width: 480px;
}

.ent-header__search-form {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  background: var(--color-surface);
  overflow: hidden;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.ent-header__search-form:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30,58,95,0.12);
  background: var(--color-white);
}

.ent-header__search-input {
  flex: 1;
  padding: var(--space-2) var(--space-4);
  border: none;
  background: transparent;
  font-family: var(--font-family-base);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  outline: none;
  min-width: 0;
}

.ent-header__search-input::placeholder {
  color: var(--color-text-muted);
}

.ent-header__search-btn {
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  border: none;
  color: var(--color-white);
  cursor: pointer;
  font-size: var(--font-size-sm);
  transition: background var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  white-space: nowrap;
}

.ent-header__search-btn:hover {
  background: var(--color-primary-dark);
}

/* Utility nav (right side) */
.ent-header__util {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-left: auto;
  flex-shrink: 0;
}

.ent-header__util-btn {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  font-family: var(--font-family-base);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.ent-header__util-btn:hover {
  color: var(--color-primary);
  background: var(--color-primary-muted);
  text-decoration: none;
}

.ent-header__util-btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
}

.ent-header__util-btn--primary:hover {
  background: var(--color-primary-dark);
  color: var(--color-white);
}

/* Mobile hamburger */
.ent-header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: var(--space-2);
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  cursor: pointer;
  margin-left: var(--space-2);
}

.ent-header__hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-text-secondary);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

@media (max-width: 768px) {
  .ent-header__hamburger { display: flex; }
  .ent-header__search { display: none; }
  .ent-header__util-btn:not(.ent-header__util-btn--primary):not([data-mobile="show"]) {
    display: none;
  }
}

/* ============================================================
   10. STICKY NAVIGATION
   ============================================================ */

.ent-nav {
  position: sticky;
  top: var(--header-height);
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  height: var(--nav-height);
  background: var(--color-primary);
  border-bottom: 1px solid var(--color-primary-dark);
}

.ent-nav__inner {
  display: flex;
  align-items: stretch;
  height: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.ent-nav__item {
  position: relative;
  display: flex;
  align-items: center;
}

.ent-nav__link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0 var(--space-4);
  height: 100%;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition-fast), background var(--transition-fast);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  font-family: var(--font-family-base);
}

.ent-nav__link:hover,
.ent-nav__item:hover > .ent-nav__link,
.ent-nav__item:focus-within > .ent-nav__link {
  color: var(--color-white);
  background: rgba(255,255,255,0.08);
  border-bottom-color: var(--color-accent);
  text-decoration: none;
}

.ent-nav__link--active {
  color: var(--color-white);
  background: rgba(255,255,255,0.1);
  border-bottom-color: var(--color-accent);
}

.ent-nav__chevron {
  font-size: 0.625rem;
  transition: transform var(--transition-base);
  opacity: 0.7;
}

.ent-nav__item:hover .ent-nav__chevron,
.ent-nav__item:focus-within .ent-nav__chevron {
  transform: rotate(180deg);
}

/* Mobile nav drawer */
.ent-nav--mobile {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-primary);
  z-index: var(--z-header);
  overflow-y: auto;
  padding: var(--space-4);
}

.ent-nav--mobile.is-open { display: block; }

@media (max-width: 768px) {
  .ent-nav { display: none; }
}

/* ============================================================
   11. MEGA MENU FRAMEWORK
   ============================================================ */

.ent-mega-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 640px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-6);
  z-index: var(--z-dropdown);
  display: none;
  animation: ent-fadedown var(--transition-base) forwards;
}

/* Show on hover / focus-within */
.ent-nav__item:hover .ent-mega-menu,
.ent-nav__item:focus-within .ent-mega-menu,
.ent-mega-menu.is-open {
  display: grid;
}

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

.ent-mega-menu--2col { grid-template-columns: repeat(2, 1fr); gap: var(--space-8); }
.ent-mega-menu--3col { grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.ent-mega-menu--4col { grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }

.ent-mega-menu__section {}

.ent-mega-menu__heading {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semi);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

.ent-mega-menu__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.ent-mega-menu__link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-base);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.ent-mega-menu__link:hover {
  color: var(--color-primary);
  background: var(--color-primary-muted);
  text-decoration: none;
}

.ent-mega-menu__link i {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.ent-mega-menu__link:hover i {
  color: var(--color-primary);
}

/* Featured panel in mega menu */
.ent-mega-menu__featured {
  background: var(--color-primary-muted);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}

.ent-mega-menu__featured-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semi);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.ent-mega-menu__featured-text {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

/* Simple dropdown (single column) */
.ent-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2) 0;
  z-index: var(--z-dropdown);
  display: none;
  animation: ent-fadedown var(--transition-base) forwards;
}

.ent-nav__item:hover .ent-dropdown,
.ent-nav__item:focus-within .ent-dropdown,
.ent-dropdown.is-open { display: block; }

.ent-dropdown__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast), background var(--transition-fast);
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-family-base);
}

.ent-dropdown__item:hover {
  color: var(--color-primary);
  background: var(--color-primary-muted);
  text-decoration: none;
}

.ent-dropdown__divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-1) 0;
}

/* ============================================================
   12. HERO PLACEHOLDER
   ============================================================ */

.ent-hero {
  position: relative;
  width: 100%;
  min-height: 480px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 60%, #3b6fa0 100%);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.ent-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(200,169,81,0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(255,255,255,0.06) 0%, transparent 50%);
  pointer-events: none;
}

.ent-hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  padding-block: var(--space-16);
  text-align: center;
}

.ent-hero__eyebrow {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semi);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: var(--space-4);
  display: block;
}

.ent-hero__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-5);
}

.ent-hero__subtitle {
  font-size: clamp(1rem, 2vw, var(--font-size-lg));
  color: rgba(255,255,255,0.78);
  line-height: var(--line-height-relaxed);
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
}

/* Hero search bar */
.ent-hero__search {
  max-width: 640px;
  margin-inline: auto;
}

.ent-hero__search-form {
  display: flex;
  border-radius: var(--radius-base);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  background: var(--color-white);
  border: 1px solid rgba(255,255,255,0.3);
}

.ent-hero__search-input {
  flex: 1;
  padding: var(--space-4) var(--space-5);
  border: none;
  background: transparent;
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  outline: none;
}

.ent-hero__search-input::placeholder {
  color: var(--color-text-muted);
}

.ent-hero__search-btn {
  padding: var(--space-4) var(--space-6);
  background: var(--color-accent);
  border: none;
  color: var(--color-black);
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semi);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: background var(--transition-fast);
  white-space: nowrap;
}

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

.ent-hero__search-hint {
  margin-top: var(--space-3);
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.6);
}

/* Responsive */
@media (max-width: 768px) {
  .ent-hero { min-height: 340px; }
  .ent-hero__search-form { flex-direction: column; border-radius: var(--radius-md); }
  .ent-hero__search-btn { justify-content: center; }
}

/* ============================================================
   13. NOTIFICATION / TOAST AREA
   ============================================================ */

.ent-toast-container {
  position: fixed;
  top: calc(var(--header-height) + var(--space-4));
  right: var(--space-4);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 360px;
  width: calc(100vw - var(--space-8));
  pointer-events: none;
}

.ent-toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  pointer-events: all;
  animation: ent-slidein var(--transition-base) forwards;
  position: relative;
  overflow: hidden;
}

.ent-toast::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--color-primary);
}

@keyframes ent-slidein {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

.ent-toast--hiding {
  animation: ent-slideout var(--transition-base) forwards;
}

@keyframes ent-slideout {
  from { opacity: 1; transform: translateX(0); max-height: 100px; }
  to   { opacity: 0; transform: translateX(20px); max-height: 0; padding: 0; margin: 0; }
}

.ent-toast--success::before { background: var(--color-success); }
.ent-toast--warning::before { background: var(--color-warning); }
.ent-toast--error::before   { background: var(--color-error); }
.ent-toast--info::before    { background: var(--color-info); }

.ent-toast__icon {
  font-size: 1.125rem;
  flex-shrink: 0;
  margin-top: 1px;
}
.ent-toast--success .ent-toast__icon { color: var(--color-success); }
.ent-toast--warning .ent-toast__icon { color: var(--color-warning); }
.ent-toast--error .ent-toast__icon   { color: var(--color-error); }
.ent-toast--info .ent-toast__icon    { color: var(--color-info); }

.ent-toast__body { flex: 1; min-width: 0; }
.ent-toast__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semi);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}
.ent-toast__text {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  line-height: var(--line-height-snug);
  margin: 0;
}

.ent-toast__close {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0;
  font-size: 1rem;
  line-height: 1;
  transition: color var(--transition-fast);
}
.ent-toast__close:hover { color: var(--color-text-primary); }

/* ============================================================
   14. FOOTER FRAMEWORK
   ============================================================ */

.ent-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.75);
  margin-top: auto;
}

.ent-footer__main {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  padding-block: var(--space-16) var(--space-12);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
}

@media (max-width: 1024px) {
  .ent-footer__main {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 640px) {
  .ent-footer__main {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    padding-block: var(--space-10) var(--space-8);
  }
}

/* Footer brand column */
.ent-footer__brand {}

.ent-footer__brand-mark {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  text-decoration: none;
}

.ent-footer__logo-mark {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 1.125rem;
  font-weight: var(--font-weight-bold);
}

.ent-footer__brand-name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semi);
  color: var(--color-white);
}

.ent-footer__desc {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  color: rgba(255,255,255,0.55);
  margin-bottom: var(--space-6);
  max-width: 320px;
}

/* Social links */
.ent-footer__social {
  display: flex;
  gap: var(--space-2);
}

.ent-footer__social-link {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-base);
  color: rgba(255,255,255,0.65);
  font-size: var(--font-size-sm);
  text-decoration: none;
  transition: background var(--transition-base), color var(--transition-fast), border-color var(--transition-fast);
}

.ent-footer__social-link:hover {
  background: rgba(255,255,255,0.15);
  color: var(--color-white);
  border-color: rgba(255,255,255,0.25);
  text-decoration: none;
}

/* Footer link columns */
.ent-footer__col {}

.ent-footer__col-title {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semi);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: var(--space-4);
}

.ent-footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.ent-footer__link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.ent-footer__link:hover {
  color: var(--color-white);
  text-decoration: none;
}

.ent-footer__link i {
  font-size: var(--font-size-xs);
  opacity: 0.5;
}

/* Footer contact info */
.ent-footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.65);
  margin-bottom: var(--space-3);
  line-height: var(--line-height-snug);
}

.ent-footer__contact-item i {
  font-size: var(--font-size-sm);
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-accent);
}

/* Footer bottom bar */
.ent-footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
}

.ent-footer__bottom-inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  padding-block: var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.ent-footer__copyright {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.4);
}

.ent-footer__bottom-links {
  display: flex;
  gap: var(--space-5);
}

.ent-footer__bottom-link {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.ent-footer__bottom-link:hover {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
}

/* Back to top */
.ent-back-to-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-base);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--transition-base), transform var(--transition-base), background var(--transition-fast);
  z-index: var(--z-sticky);
  pointer-events: none;
}

.ent-back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.ent-back-to-top:hover {
  background: var(--color-primary-dark);
}

/* ============================================================
   15. BOOTSTRAP 5 / KOHA OVERRIDE LAYER
   ============================================================ */

/*
 * These overrides adapt Koha's Bootstrap 5 output to align
 * with our design tokens. They use sufficient specificity to
 * win the cascade without !important where possible.
 * Specificity is tracked carefully to remain upgrade-safe.
 */

/* --- Global Koha page adjustments --- */
body#opac-main,
body[id^="opac-"] {
  background-color: var(--color-surface);
  font-family: var(--font-family-base);
}

/* Koha masthead — hide default, we inject ours */
#masthead {
  display: none !important;
}

/* Koha's default navbar — suppress */
#navmenulist,
.navbar.navbar-default,
#toplevelmenu {
  display: none !important;
}

/* Main content area — account for sticky header + nav */
#doc,
#doc2,
#doc3,
.main,
#main {
  padding-top: 0;
}

/* Koha breadcrumb — restyle */
#breadcrumbs {
  background: var(--color-surface-alt);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-2) 0;
  font-size: var(--font-size-sm);
}

#breadcrumbs .breadcrumb {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  background: transparent;
  border-radius: 0;
  margin-bottom: 0;
  padding-block: 0;
}

#breadcrumbs .breadcrumb-item + .breadcrumb-item::before {
  color: var(--color-text-muted);
}

#breadcrumbs .breadcrumb-item a {
  color: var(--color-primary);
  text-decoration: none;
}

#breadcrumbs .breadcrumb-item a:hover {
  text-decoration: underline;
}

#breadcrumbs .breadcrumb-item.active {
  color: var(--color-text-muted);
}

/* Koha search result container */
#userresults,
#search-facets,
#searchresults {
  font-family: var(--font-family-base);
}

/* Koha pagination */
.pagination .page-link {
  color: var(--color-primary);
  border-color: var(--color-border);
  font-size: var(--font-size-sm);
  font-family: var(--font-family-base);
}

.pagination .page-link:hover {
  color: var(--color-primary-dark);
  background: var(--color-primary-muted);
  border-color: var(--color-primary);
}

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

/* Koha alerts */
.alert {
  font-family: var(--font-family-base);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
}

/* Koha form elements */
.form-control,
.form-select {
  font-family: var(--font-family-base);
  font-size: var(--font-size-sm);
  border-color: var(--color-border);
  border-radius: var(--radius-base);
  color: var(--color-text-primary);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30,58,95,0.15);
}

/* Koha buttons override */
.btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  font-family: var(--font-family-base);
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}

/* Koha link styling */
#opac-main a,
body[id^="opac-"] a {
  color: var(--color-text-link);
}

body[id^="opac-"] a:hover {
  color: var(--color-text-link-hover);
}

/* Koha footer — suppress default, we inject ours */
#doc-footer,
#userfooter,
footer.main-footer {
  display: none !important;
}

/* Koha OpacCredits — hide wrapper we don't use */
#opac-user-interactions {
  font-family: var(--font-family-base);
}

/* ============================================================
   END OF ENTERPRISE FRAMEWORK
   ============================================================ */

/* ============================================================
   16. PHASE B - HOMEPAGE COMPONENTS
   ============================================================ */

/* Homepage Wrapper */
.ent-homepage {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  padding-bottom: var(--space-12);
}

/* Hero Section */
.ent-hero {
  position: relative;
  background-color: var(--color-primary-dark);
  background-image: linear-gradient(135deg, var(--color-primary-dark) 0%, #06421F 100%);
  color: var(--color-white);
  padding: var(--space-16) 0;
  overflow: hidden;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  box-shadow: var(--shadow-md);
  margin-top: -1px; /* seamless with header */
}

.ent-hero__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.ent-hero__content {
  max-width: 800px;
  width: 100%;
}

.ent-hero__title {
  color: var(--color-white);
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-4);
  letter-spacing: var(--letter-spacing-tight);
}

.ent-hero__subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-8);
  line-height: var(--line-height-relaxed);
}

/* Hero Search Box */
.ent-hero__search-box {
  background: var(--color-white);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  margin: 0 auto;
}

.ent-hero__form {
  display: flex;
  gap: var(--space-2);
}

.ent-hero__input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.ent-hero__input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(244, 114, 22, 0.15); /* Saffron glow */
}

.ent-hero__btn {
  background-color: var(--color-primary); /* Saffron */
  color: var(--color-text-primary);
  border: none;
  padding: 0 var(--space-6);
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: background-color var(--transition-base), transform var(--transition-fast);
}

.ent-hero__btn:hover {
  background-color: var(--color-primary-light);
  transform: translateY(-1px);
}

.ent-hero__links {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  margin-top: var(--space-3);
  font-size: var(--font-size-sm);
}

.ent-hero__links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.ent-hero__links a:hover {
  color: var(--color-primary); /* Saffron hover */
}

/* Decorative Background Shape */
.ent-hero__bg-shape {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(244, 114, 22, 0.15) 0%, rgba(244, 114, 22, 0) 70%);
  border-radius: 50%;
  z-index: 1;
  pointer-events: none;
}

/* Quick Access Grid */
.ent-quick-access {
  margin-top: var(--space-6);
}

.ent-quick-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-6);
}

.ent-quick-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  background: var(--color-white);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  color: var(--color-text-primary);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.ent-quick-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary); /* Saffron border on hover */
  text-decoration: none;
}

.ent-quick-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--color-primary-muted);
  color: var(--color-primary); /* Saffron */
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  flex-shrink: 0;
  transition: background-color var(--transition-base), color var(--transition-base);
}

.ent-quick-card:hover .ent-quick-card__icon {
  background: var(--color-primary);
  color: var(--color-white);
}

.ent-quick-card__content h3 {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semi);
  margin: 0 0 var(--space-1) 0;
  color: var(--color-text-primary);
}

.ent-quick-card__content p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
  line-height: var(--line-height-snug);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .ent-hero { padding: var(--space-8) 0; border-radius: 0; }
  .ent-hero__title { font-size: var(--font-size-3xl); }
  .ent-hero__form { flex-direction: column; }
  .ent-hero__btn { padding: var(--space-3); justify-content: center; }
  .ent-hero__links { flex-direction: column; align-items: center; gap: var(--space-2); }
}