/* =====================================================================
 * Bayt al-Hikma — visual design system  v2
 *
 * Layered on top of Bootstrap 5.3.
 *   1. Override Bootstrap CSS variables → every component inherits brand.
 *   2. Extended design tokens (shadows, radii, easing).
 *   3. Per-component polish — navbar, cards, buttons, forms, tables …
 *
 * Brand concept: "House of Wisdom" (Baghdad, 8th c.)
 *   Deep teal-green for scholarship · warm gold for heritage · cream paper
 * ===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:opsz,wght@14..32,400;14..32,500;14..32,600;14..32,700;14..32,800&family=Cairo:wght@400;500;600;700&family=Amiri:ital,wght@0,400;0,700;1,400&display=swap');

/* ─────────────────────────────────────────────────────────────────────
   DESIGN TOKENS
   ───────────────────────────────────────────────────────────────────── */
:root {
  /* ── Palette ── */
  --bh-green-950: #0a1f13;
  --bh-green-900: #143e2c;
  --bh-green-800: #1a5038;
  --bh-green-700: #1f5641;
  --bh-green-600: #286b50;
  --bh-green-500: #2f7a5a;
  --bh-green-400: #4a9c79;
  --bh-green-300: #7bbea3;
  --bh-green-200: #b2d9ca;
  --bh-green-100: #d8ebe1;
  --bh-green-50:  #ecf6f1;
  --bh-green-25:  #f5faf7;

  --bh-gold-950: #3a2a09;
  --bh-gold-900: #6b4f17;
  --bh-gold-700: #97751f;
  --bh-gold-600: #b28a27;
  --bh-gold-500: #c89b3c;
  --bh-gold-400: #d4ae5f;
  --bh-gold-300: #ddc080;
  --bh-gold-200: #ebd4a6;
  --bh-gold-100: #f6e8c5;
  --bh-gold-50:  #fdf6e3;

  --bh-cream:    #fbf7ef;
  --bh-paper:    #fefdfa;
  --bh-ink:      #1a2b22;

  /* ── Bootstrap overrides ── */
  --bs-primary:             #2f7a5a;
  --bs-primary-rgb:         47, 122, 90;
  --bs-link-color:          var(--bh-green-700);
  --bs-link-color-rgb:      31, 86, 65;
  --bs-link-hover-color:    var(--bh-green-900);
  --bs-link-hover-color-rgb: 20, 62, 44;
  --bs-body-color:          var(--bh-ink);
  --bs-body-bg:             var(--bh-cream);
  --bs-secondary-color:     rgba(26, 43, 34, 0.62);
  --bs-tertiary-bg:         #f2ead9;
  --bs-border-color:        #e2d8c5;
  --bs-border-radius:       0.55rem;
  --bs-border-radius-lg:    0.85rem;
  --bs-border-radius-sm:    0.35rem;

  /* ── Shadow scale ── */
  --shadow-xs:  0 1px 2px rgba(20,62,44, 0.06);
  --shadow-sm:  0 1px 4px rgba(20,62,44, 0.08), 0 1px 2px rgba(20,62,44, 0.04);
  --shadow-md:  0 4px 12px rgba(20,62,44, 0.10), 0 1px 4px rgba(20,62,44, 0.06);
  --shadow-lg:  0 8px 24px rgba(20,62,44, 0.12), 0 2px 8px rgba(20,62,44, 0.07);
  --shadow-xl:  0 16px 40px rgba(20,62,44, 0.14), 0 4px 12px rgba(20,62,44, 0.08);

  /* ── Radius scale ── */
  --radius-sm:  0.35rem;
  --radius-md:  0.55rem;
  --radius-lg:  0.85rem;
  --radius-xl:  1.25rem;
  --radius-2xl: 1.75rem;
  --radius-pill: 999px;

  /* ── Easing ── */
  --ease-spring:  cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out:     cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:  cubic-bezier(0.45, 0, 0.55, 1);

  /* ── Typography ── */
  --bh-font-sans:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --bh-font-arabic:  'Cairo', 'Amiri', 'Noto Naskh Arabic', serif;
  --bh-font-display: 'Inter', system-ui, sans-serif;
}

/* ─────────────────────────────────────────────────────────────────────
   DARK MODE — full token override
   Applied when <html data-bs-theme="dark">. Bootstrap 5.3 handles its
   own component tokens automatically; we just need to remap our custom
   design tokens and fix the few places Bootstrap doesn't reach.
   ───────────────────────────────────────────────────────────────────── */
[data-bs-theme="dark"] {
  /* Surface stack */
  --bh-paper:          #0d1c14;
  --bh-cream:          #0f2019;
  --bh-ink:            #d8e8dd;

  /* Bootstrap surface overrides */
  --bs-body-bg:        #0f2019;
  --bs-body-color:     #d8e8dd;
  --bs-secondary-color: rgba(216, 232, 221, 0.55);
  --bs-tertiary-bg:    #142a1f;
  --bs-border-color:   #1e3328;
  --bs-link-color:     var(--bh-green-300);
  --bs-link-hover-color: var(--bh-green-200);

  /* Shadows — stronger in dark */
  --shadow-xs:  0 1px 2px rgba(0,0,0, 0.4);
  --shadow-sm:  0 1px 4px rgba(0,0,0, 0.5);
  --shadow-md:  0 4px 12px rgba(0,0,0, 0.55);
  --shadow-lg:  0 8px 24px rgba(0,0,0, 0.6);
  --shadow-xl:  0 16px 40px rgba(0,0,0, 0.65);
}

/* Navbar in dark mode — deeper green glass */
[data-bs-theme="dark"] .navbar {
  background: rgba(13, 28, 20, 0.92) !important;
  border-bottom-color: #1e3328;
}
[data-bs-theme="dark"] .navbar-brand { color: var(--bh-green-300) !important; }
[data-bs-theme="dark"] .nav-link     { color: var(--bh-ink) !important; }
[data-bs-theme="dark"] .nav-link:hover { background: rgba(47,122,90, 0.18); }
[data-bs-theme="dark"] .nav-link.active { background: rgba(47,122,90, 0.22); color: var(--bh-green-300) !important; }

/* Cards in dark mode */
[data-bs-theme="dark"] .card {
  background: var(--bh-paper);
  border-color: #1e3328;
}
[data-bs-theme="dark"] .card-header {
  background: rgba(255,255,255, 0.03);
  border-bottom-color: #1e3328;
}

/* Dropdowns */
[data-bs-theme="dark"] .dropdown-menu {
  background: #0d1c14;
  border-color: #1e3328;
}
[data-bs-theme="dark"] .dropdown-item { color: var(--bh-ink); }
[data-bs-theme="dark"] .dropdown-item:hover {
  background: rgba(47,122,90, 0.18);
  color: var(--bh-green-300);
}
[data-bs-theme="dark"] .dropdown-divider { border-color: #1e3328; }

/* Tables */
[data-bs-theme="dark"] .table { color: var(--bh-ink); }
[data-bs-theme="dark"] .table-light { --bs-table-bg: #142a1f; --bs-table-color: var(--bh-ink); }

/* Inputs */
[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select {
  background-color: #0d1c14;
  border-color: #1e3328;
  color: var(--bh-ink);
}
[data-bs-theme="dark"] .form-control:focus,
[data-bs-theme="dark"] .form-select:focus {
  background-color: #0d1c14;
  border-color: var(--bh-green-500);
  color: var(--bh-ink);
  box-shadow: 0 0 0 3px rgba(47,122,90, 0.25);
}
[data-bs-theme="dark"] .form-control::placeholder { color: rgba(216,232,221, 0.35); }

/* Hero section */
[data-bs-theme="dark"] .bh-hero {
  background: linear-gradient(160deg, #0a1a11 0%, #0f2019 55%, #111d17 100%);
  border-bottom-color: #1e3328;
}

/* Footer */
[data-bs-theme="dark"] footer {
  background: #07120d;
  border-top-color: #1a2e22;
}

/* Stat cards */
[data-bs-theme="dark"] .bh-stat-card { background: #0d1c14; border-color: #1e3328; }

/* Outline secondary button */
[data-bs-theme="dark"] .btn-outline-secondary {
  color: rgba(216,232,221, 0.75);
  border-color: #1e3328;
}
[data-bs-theme="dark"] .btn-outline-secondary:hover {
  background: #142a1f;
  color: var(--bh-ink);
  border-color: #2a4535;
}

/* List groups */
[data-bs-theme="dark"] .list-group-item {
  background: var(--bh-paper);
  border-color: #1e3328;
  color: var(--bh-ink);
}
[data-bs-theme="dark"] .list-group-item-action:hover { background: #142a1f; }

/* Alert */
[data-bs-theme="dark"] .alert-warning {
  background: #2a2010;
  border-color: #4a3a18;
  color: #f5d98b;
}

/* Dark-mode toggle button in navbar */
.bh-theme-toggle {
  background: none;
  border: 1.5px solid var(--bs-border-color);
  color: var(--bh-ink);
  border-radius: var(--radius-pill);
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.95rem;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.2s var(--ease-spring);
}
.bh-theme-toggle:hover {
  background: var(--bh-green-50);
  border-color: var(--bh-green-300);
  transform: rotate(20deg);
}
[data-bs-theme="dark"] .bh-theme-toggle:hover { background: rgba(47,122,90,0.18); }


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

html { scroll-behavior: smooth; }

body {
  font-family: var(--bh-font-sans);
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.005em;
  background-color: var(--bh-cream);
  color: var(--bh-ink);
}

/* Page enter animation */
main {
  animation: page-in 0.35s var(--ease-out) both;
}
@keyframes page-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: var(--bh-font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--bh-ink);
}
.display-1, .display-2, .display-3,
.display-4, .display-5, .display-6 {
  font-weight: 800;
  letter-spacing: -0.03em;
}

[lang="ar"] {
  font-family: var(--bh-font-arabic);
  font-weight: 500;
  font-size: 1.08em;
  line-height: 1.85;
  direction: rtl;
  unicode-bidi: isolate;
}

::selection {
  background: var(--bh-gold-100);
  color: var(--bh-green-900);
}


/* ─────────────────────────────────────────────────────────────────────
   NAVBAR
   ───────────────────────────────────────────────────────────────────── */
.navbar {
  background: rgba(254, 253, 250, 0.88) !important;
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--bs-border-color);
  position: sticky;
  top: 0;
  z-index: 1030;
  padding-top: 0.6rem;
  padding-bottom: 0.6rem;
  transition: box-shadow 0.2s var(--ease-out);
}
.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar-brand {
  color: var(--bh-green-700) !important;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}
.navbar-brand .brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--bh-green-500), var(--bh-green-700));
  color: #fff;
  font-size: 0.9rem;
  flex-shrink: 0;
}
.navbar-brand .bi { color: var(--bh-gold-500); }

.nav-link {
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--bh-ink) !important;
  opacity: 0.7;
  padding: 0.4rem 0.7rem !important;
  border-radius: var(--radius-md);
  transition: opacity 0.15s ease, background-color 0.15s ease;
}
.nav-link:hover { opacity: 1; background: var(--bh-green-25); }
.nav-link.active {
  opacity: 1;
  color: var(--bh-green-600) !important;
  background: var(--bh-green-50);
}

/* User avatar initials circle in navbar */
.nav-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: var(--radius-pill);
  background: var(--bh-green-500);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* Navbar dropdown */
.dropdown-menu {
  border: 1px solid var(--bs-border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 0.4rem;
  background: var(--bh-paper);
  animation: dropdown-in 0.18s var(--ease-spring) both;
}
@keyframes dropdown-in {
  from { opacity: 0; transform: translateY(-6px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.dropdown-item {
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.45rem 0.8rem;
  color: var(--bh-ink);
  transition: background 0.12s ease;
}
.dropdown-item:hover { background: var(--bh-green-50); color: var(--bh-green-700); }
.dropdown-divider { border-color: var(--bs-border-color); margin: 0.3rem 0; }

/* Scroll shadow trigger (add class via JS) */
.navbar-scroll-shadow { box-shadow: var(--shadow-md); }


/* ─────────────────────────────────────────────────────────────────────
   BUTTONS
   ───────────────────────────────────────────────────────────────────── */
.btn {
  font-weight: 600;
  letter-spacing: -0.005em;
  border-radius: var(--radius-md);
  padding: 0.48rem 1.1rem;
  transition: transform 0.12s var(--ease-spring),
              box-shadow 0.15s var(--ease-out),
              background-color 0.15s ease,
              border-color 0.15s ease,
              opacity 0.15s ease;
  position: relative;
  overflow: hidden;
}
.btn:not(:disabled):hover { transform: translateY(-1px); }
.btn:not(:disabled):active {
  transform: translateY(0) scale(0.98);
  transition-duration: 0.06s;
}
.btn-sm {
  padding: 0.3rem 0.75rem;
  font-size: 0.83rem;
  border-radius: var(--radius-sm);
}
.btn-lg { padding: 0.7rem 1.6rem; font-size: 1rem; border-radius: var(--radius-lg); }

/* Primary */
.btn-primary {
  background: linear-gradient(180deg, var(--bh-green-500) 0%, var(--bh-green-600) 100%);
  border-color: var(--bh-green-600);
  color: #fff;
  box-shadow: 0 1px 2px rgba(20,62,44, 0.15), inset 0 1px 0 rgba(255,255,255,0.12);
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: linear-gradient(180deg, var(--bh-green-600) 0%, var(--bh-green-700) 100%);
  border-color: var(--bh-green-700);
  box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255,255,255,0.1);
  color: #fff;
}
.btn-primary:active {
  background: var(--bh-green-700);
  border-color: var(--bh-green-800);
}

/* Outline primary */
.btn-outline-primary {
  color: var(--bh-green-700);
  border-color: var(--bh-green-400);
  border-width: 1.5px;
}
.btn-outline-primary:hover {
  background: var(--bh-green-500);
  border-color: var(--bh-green-500);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

/* Outline secondary */
.btn-outline-secondary {
  border-width: 1.5px;
  color: rgba(26,43,34, 0.7);
}
.btn-outline-secondary:hover {
  background: var(--bs-tertiary-bg);
  color: var(--bh-ink);
  border-color: var(--bs-border-color);
}

/* Gold accent */
.btn-gold {
  background: linear-gradient(180deg, var(--bh-gold-400) 0%, var(--bh-gold-600) 100%);
  color: #fff;
  border: 1px solid var(--bh-gold-700);
  font-weight: 700;
  box-shadow: 0 1px 3px rgba(0,0,0,0.12), inset 0 1px 0 rgba(255,255,255,0.18);
}
.btn-gold:hover { color: #fff; filter: brightness(1.06); box-shadow: var(--shadow-md); }

/* Danger */
.btn-outline-danger { border-width: 1.5px; }


/* ─────────────────────────────────────────────────────────────────────
   CARDS
   ───────────────────────────────────────────────────────────────────── */
.card {
  border: 1px solid var(--bs-border-color);
  border-radius: var(--radius-lg);
  background: var(--bh-paper);
  box-shadow: var(--shadow-xs);
  transition: box-shadow 0.2s var(--ease-out), transform 0.2s var(--ease-out), border-color 0.2s ease;
}
.card-body  { padding: 1.25rem 1.5rem; }
.card-header {
  background: rgba(0,0,0,0.025);
  border-bottom: 1px solid var(--bs-border-color);
  padding: 0.85rem 1.25rem;
  font-weight: 600;
  font-size: 0.92rem;
}
.card-footer {
  background: rgba(0,0,0,0.018);
  border-top: 1px solid var(--bs-border-color);
  padding: 0.75rem 1.25rem;
}

/* Hover-lift card */
.card-hover:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--bh-green-200);
}

/* Stat cards — accent top bar */
.bh-stat-card {
  border: 0;
  background: linear-gradient(160deg, var(--bh-paper) 60%, var(--bh-green-25) 100%);
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}
.bh-stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--bh-green-400), var(--bh-gold-400));
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

/* Course cards */
.course-card {
  transition: transform 0.2s var(--ease-out),
              box-shadow 0.22s var(--ease-out),
              border-color 0.2s ease;
  overflow: hidden;
}
.course-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--bh-green-200);
}
.course-thumb {
  aspect-ratio: 16 / 9;
  object-fit: cover;
  width: 100%;
  background: linear-gradient(135deg, var(--bh-green-50) 0%, var(--bh-gold-50) 100%);
}


/* ─────────────────────────────────────────────────────────────────────
   FORMS
   ───────────────────────────────────────────────────────────────────── */
.form-control, .form-select {
  border-radius: var(--radius-md);
  border: 1.5px solid var(--bs-border-color);
  padding: 0.52rem 0.85rem;
  background: var(--bh-paper);
  color: var(--bh-ink);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  font-size: 0.93rem;
}
.form-control:focus, .form-select:focus {
  border-color: var(--bh-green-400);
  box-shadow: 0 0 0 3px rgba(47, 122, 90, 0.15);
  outline: none;
}
.form-control::placeholder { color: rgba(26,43,34, 0.38); }
.form-label {
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.01em;
  color: rgba(26,43,34, 0.85);
  margin-bottom: 0.35rem;
}
.form-text { font-size: 0.82rem; color: var(--bs-secondary-color); }
.form-check-input:checked {
  background-color: var(--bh-green-500);
  border-color: var(--bh-green-500);
}
.form-check-input:focus {
  box-shadow: 0 0 0 3px rgba(47, 122, 90, 0.18);
}

/* Input groups */
.input-group-text {
  background: var(--bs-tertiary-bg);
  border: 1.5px solid var(--bs-border-color);
  color: var(--bs-secondary-color);
  font-size: 0.9rem;
}


/* ─────────────────────────────────────────────────────────────────────
   TABLES
   ───────────────────────────────────────────────────────────────────── */
.table {
  --bs-table-bg: transparent;
  --bs-table-striped-bg: var(--bh-green-25);
  --bs-table-hover-bg: var(--bh-green-50);
  font-size: 0.92rem;
  border-color: var(--bs-border-color);
}
.table > :not(caption) > * > * {
  padding: 0.75rem 0.9rem;
  border-bottom-color: var(--bs-border-color);
}
.table > thead > tr > th {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--bs-secondary-color);
  padding-top: 0.6rem;
  padding-bottom: 0.6rem;
  background: var(--bh-green-25);
  border-bottom: 2px solid var(--bs-border-color);
}
.table-light { --bs-table-bg: var(--bh-green-25); }
.table-hover > tbody > tr:hover > * {
  background: var(--bh-green-50);
}
.table-responsive { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--bs-border-color); }


/* ─────────────────────────────────────────────────────────────────────
   BADGES
   ───────────────────────────────────────────────────────────────────── */
.badge {
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.35em 0.65em;
  border-radius: var(--radius-sm);
  font-size: 0.78em;
}
.badge.text-bg-primary { background: var(--bh-green-500) !important; }
.badge.text-bg-success { background: #2c8857 !important; }
.badge.text-bg-info {
  background: var(--bh-gold-100) !important;
  color: var(--bh-gold-900) !important;
  border: 1px solid var(--bh-gold-300);
}
.badge.text-bg-warning { background: var(--bh-gold-100) !important; color: var(--bh-gold-900) !important; }
.badge.text-bg-secondary { background: #e8e0d0 !important; color: rgba(26,43,34,0.7) !important; }


/* ─────────────────────────────────────────────────────────────────────
   ALERTS
   ───────────────────────────────────────────────────────────────────── */
.alert {
  border-radius: var(--radius-lg);
  border-width: 1px;
  font-size: 0.92rem;
  padding: 0.9rem 1.15rem;
}
.alert-warning {
  background: var(--bh-gold-50);
  border-color: var(--bh-gold-200);
  color: var(--bh-gold-900);
}
.alert-success {
  background: var(--bh-green-25);
  border-color: var(--bh-green-100);
  color: var(--bh-green-900);
}
.alert-info {
  background: #eaf3fb;
  border-color: #c8def0;
  color: #0e3b66;
}
.alert-danger {
  background: #fef2f2;
  border-color: #fecaca;
  color: #7f1d1d;
}


/* ─────────────────────────────────────────────────────────────────────
   LIST GROUPS
   ───────────────────────────────────────────────────────────────────── */
.list-group-item {
  border-color: var(--bs-border-color);
  padding: 0.75rem 1rem;
  font-size: 0.92rem;
  transition: background 0.12s ease;
}
.list-group-item:hover { background: var(--bh-green-25); }
.list-group-item.active {
  background: var(--bh-green-500);
  border-color: var(--bh-green-500);
}
.list-group-flush > .list-group-item { border-color: var(--bs-border-color); }


/* ─────────────────────────────────────────────────────────────────────
   BREADCRUMB
   ───────────────────────────────────────────────────────────────────── */
.breadcrumb {
  font-size: 0.82rem;
  font-weight: 500;
}
.breadcrumb-item + .breadcrumb-item::before { color: var(--bs-secondary-color); }
.breadcrumb-item a { color: var(--bh-green-600); text-decoration: none; }
.breadcrumb-item a:hover { text-decoration: underline; }
.breadcrumb-item.active { color: var(--bs-secondary-color); }


/* ─────────────────────────────────────────────────────────────────────
   PROGRESS
   ───────────────────────────────────────────────────────────────────── */
.progress {
  background: var(--bh-green-50);
  border-radius: var(--radius-pill);
  overflow: hidden;
}
.progress-bar {
  background: linear-gradient(90deg, var(--bh-green-500), var(--bh-green-400));
  border-radius: var(--radius-pill);
  transition: width 0.6s var(--ease-out);
}


/* ─────────────────────────────────────────────────────────────────────
   TABS & PILLS
   ───────────────────────────────────────────────────────────────────── */
.nav-tabs {
  border-bottom: 1px solid var(--bs-border-color);
  gap: 0.15rem;
}
.nav-tabs .nav-link {
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  padding: 0.6rem 0.9rem;
  color: var(--bs-secondary-color);
  font-weight: 600;
  font-size: 0.88rem;
  opacity: 1;
  background: none;
}
.nav-tabs .nav-link:hover { color: var(--bh-ink); border-bottom-color: var(--bh-green-200); background: none; }
.nav-tabs .nav-link.active {
  color: var(--bh-green-600);
  border-bottom-color: var(--bh-green-500);
  background: none;
}

.nav-pills .nav-link {
  font-weight: 600;
  font-size: 0.88rem;
  border-radius: var(--radius-md);
  opacity: 1;
  color: var(--bs-secondary-color);
}
.nav-pills .nav-link.active {
  background: var(--bh-green-500);
  color: #fff;
}


/* ─────────────────────────────────────────────────────────────────────
   PAGE HEADER PATTERN
   (wrap page-level titles in .bh-page-header)
   ───────────────────────────────────────────────────────────────────── */
.bh-page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.75rem;
}
.bh-page-header h1, .bh-page-header .h1,
.bh-page-header h2, .bh-page-header .h2,
.bh-page-header h3, .bh-page-header .h3 {
  margin-bottom: 0.15rem;
}
.bh-page-header .page-subtitle {
  font-size: 0.88rem;
  color: var(--bs-secondary-color);
  margin-bottom: 0;
}


/* ─────────────────────────────────────────────────────────────────────
   HERO
   ───────────────────────────────────────────────────────────────────── */
.bh-hero {
  position: relative;
  padding: 4.5rem 0 4.25rem;
  background:
    radial-gradient(ellipse at top right, rgba(200,155,60, 0.1), transparent 55%),
    radial-gradient(ellipse at bottom left, rgba(47,122,90, 0.1), transparent 60%),
    linear-gradient(180deg, var(--bh-cream) 0%, var(--bh-paper) 100%);
  border-bottom: 1px solid var(--bs-border-color);
  overflow: hidden;
}
/* Dot-grid texture overlay */
.bh-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(47,122,90, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}
.bh-hero-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--bh-green-600);
}
.bh-hero h1 { font-size: clamp(2rem, 4.5vw, 3.4rem); line-height: 1.08; }
.bh-hero .lead { font-size: 1.1rem; color: var(--bs-secondary-color); max-width: 42rem; }
.bh-hero-arabic { color: var(--bh-gold-700); font-size: 1.6rem; letter-spacing: 0.05em; }


/* ─────────────────────────────────────────────────────────────────────
   STATS STRIP
   ───────────────────────────────────────────────────────────────────── */
.bh-stats-strip {
  background: var(--bh-paper);
  border-top: 1px solid var(--bs-border-color);
  border-bottom: 1px solid var(--bs-border-color);
  padding: 1.5rem 0;
}
.bh-stats-item {
  padding: 1rem;
  border-right: 1px solid var(--bs-border-color);
}
.bh-stats-item:last-child { border-right: none; }
@media (max-width: 767px) {
  .bh-stats-item:nth-child(2) { border-right: none; }
  .bh-stats-item:nth-child(3) { border-top: 1px solid var(--bs-border-color); }
}
.bh-stats-number {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--bh-green-700);
  line-height: 1.1;
}
.bh-stats-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--bs-secondary-color);
  margin-top: 0.2rem;
}
[data-bs-theme="dark"] .bh-stats-strip { background: #0d1c14; }
[data-bs-theme="dark"] .bh-stats-number { color: var(--bh-green-300); }


/* ─────────────────────────────────────────────────────────────────────
   SECTION HELPERS
   ───────────────────────────────────────────────────────────────────── */
.bh-section { padding: 4rem 0; }
.bh-section-title { font-size: 1.8rem; font-weight: 700; margin-bottom: 0.4rem; }
.bh-section-subtitle { color: var(--bs-secondary-color); font-size: 0.98rem; margin-bottom: 2.5rem; }

/* Feature icon */
.bh-feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: var(--bh-green-50);
  color: var(--bh-green-700);
  font-size: 1.4rem;
  margin-bottom: 0.9rem;
  box-shadow: var(--shadow-sm);
}
.bh-feature-icon.bh-icon-gold {
  background: var(--bh-gold-50);
  color: var(--bh-gold-700);
}


/* ─────────────────────────────────────────────────────────────────────
   EMPTY STATE
   ───────────────────────────────────────────────────────────────────── */
.bh-empty {
  text-align: center;
  padding: 3.5rem 1.5rem;
  background: var(--bh-green-25);
  border-radius: var(--radius-xl);
  border: 1.5px dashed var(--bh-green-100);
}
.bh-empty-icon {
  font-size: 3rem;
  color: var(--bh-green-200);
  display: block;
  margin-bottom: 1rem;
}
.bh-empty h5, .bh-empty .lead { color: var(--bs-secondary-color); font-weight: 600; }
/* Also style Bootstrap's bg-body-tertiary empty states */
.bg-body-tertiary.rounded.py-5 {
  background: var(--bh-green-25) !important;
  border: 1.5px dashed var(--bh-green-100);
}


/* ─────────────────────────────────────────────────────────────────────
   TOAST / FLASH MESSAGE (fixed bottom-right)
   ───────────────────────────────────────────────────────────────────── */
.bh-flash-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: 360px;
  pointer-events: none;
}
.bh-flash-container .alert {
  pointer-events: auto;
  box-shadow: var(--shadow-lg);
  animation: flash-in 0.3s var(--ease-spring) both;
}
@keyframes flash-in {
  from { opacity: 0; transform: translateX(20px) scale(0.96); }
  to   { opacity: 1; transform: translateX(0) scale(1); }
}


/* ─────────────────────────────────────────────────────────────────────
   LESSON PLAYER
   ───────────────────────────────────────────────────────────────────── */
.lesson-body {
  font-size: 1.05rem;
  line-height: 1.78;
  color: var(--bh-ink);
}


/* ─────────────────────────────────────────────────────────────────────
   AGENDA ITEMS (site-wide colour chips)
   ───────────────────────────────────────────────────────────────────── */
.agenda-item { border-radius: var(--radius-md); padding: 0.55rem 0.75rem; margin-bottom: 0.4rem; }
.agenda-item.done { opacity: 0.5; }
.item-lesson   { background: #e8f4fd; border-left: 3px solid #0d6efd; }
.item-homework { background: #fff8e1; border-left: 3px solid #ffc107; }
.item-quiz     { background: #f3e8ff; border-left: 3px solid #6f42c1; }
.item-event    { background: var(--bh-green-50); border-left: 3px solid var(--bh-green-500); }
.item-reminder { background: #fff3cd; border-left: 3px solid #fd7e14; }
.item-note     { background: var(--bs-tertiary-bg); border-left: 3px solid var(--bs-secondary-color); }


/* ─────────────────────────────────────────────────────────────────────
   FOOTER
   ───────────────────────────────────────────────────────────────────── */
footer {
  background: var(--bh-green-950) !important;
  color: rgba(255,255,255, 0.7);
  border: 0 !important;
  padding: 3.5rem 0 2rem !important;
  margin-top: 5rem;
}
footer a { color: rgba(255,255,255, 0.8); text-decoration: none; transition: color 0.15s ease; }
footer a:hover { color: var(--bh-gold-300); }
footer .footer-brand { color: #fff; font-weight: 800; font-size: 1.1rem; }
footer .footer-tagline { color: var(--bh-gold-300); font-style: italic; font-size: 0.88rem; }


/* ─────────────────────────────────────────────────────────────────────
   SCROLL — thin branded scrollbar (Chromium only)
   ───────────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bh-cream); }
::-webkit-scrollbar-thumb {
  background: var(--bh-green-200);
  border-radius: var(--radius-pill);
  border: 2px solid var(--bh-cream);
}
::-webkit-scrollbar-thumb:hover { background: var(--bh-green-300); }


/* ─────────────────────────────────────────────────────────────────────
   PROSE — markdown lesson body
   ───────────────────────────────────────────────────────────────────── */
.prose h1, .prose h2, .prose h3,
.prose h4, .prose h5, .prose h6 {
  color: var(--bh-green-900);
  font-weight: 700;
  line-height: 1.3;
  margin-top: 1.8em;
  margin-bottom: 0.5em;
}
.prose h1 { font-size: 1.75rem; border-bottom: 2px solid var(--bh-green-100); padding-bottom: 0.25em; }
.prose h2 { font-size: 1.4rem;  border-bottom: 1px solid var(--bh-green-100); padding-bottom: 0.2em; }
.prose h3 { font-size: 1.15rem; }
.prose h4 { font-size: 1rem; text-transform: uppercase; letter-spacing: .05em; color: var(--bh-green-700); }

.prose p  { margin-bottom: 1em; }
.prose strong { color: var(--bh-green-700); font-weight: 700; }
.prose em     { color: var(--bh-gold-900); }
.prose a      { color: var(--bh-green-500); text-decoration: underline; }
.prose a:hover { color: var(--bh-green-700); }

.prose ul, .prose ol { padding-left: 1.5rem; margin-bottom: 1em; }
.prose li { margin-bottom: 0.35em; }

.prose blockquote {
  border-left: 4px solid var(--bh-gold-500);
  background: var(--bh-gold-50);
  padding: 0.75rem 1rem;
  margin: 1.25em 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--bh-gold-900);
}
.prose blockquote p:last-child { margin-bottom: 0; }

.prose code {
  background: var(--bh-green-50);
  border: 1px solid var(--bh-green-100);
  border-radius: var(--radius-sm);
  padding: 0.1em 0.4em;
  font-size: 0.88em;
  color: var(--bh-green-700);
  font-family: 'Courier New', Courier, monospace;
}
.prose pre {
  background: var(--bh-green-900);
  color: #e8f5ee;
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  overflow-x: auto;
  margin: 1.25em 0;
}
.prose pre code { background: none; border: none; padding: 0; color: inherit; font-size: 0.9em; }

.prose table { width: 100%; border-collapse: collapse; margin: 1.25em 0; font-size: 0.95rem; }
.prose th { background: var(--bh-green-500); color: #fff; text-align: left; padding: 0.55rem 0.75rem; font-weight: 600; }
.prose td { padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--bh-green-100); }
.prose tr:last-child td { border-bottom: none; }
.prose tr:nth-child(even) td { background: var(--bh-green-25); }

.prose hr { border: none; border-top: 2px solid var(--bh-green-100); margin: 2em 0; }

.prose .ar {
  font-family: 'Amiri', 'Scheherazade New', serif;
  font-size: 1.4em;
  direction: rtl;
  display: block;
  text-align: right;
  color: var(--bh-green-700);
  margin: 0.5em 0;
}


/* ─────────────────────────────────────────────────────────────────────
   UTILITIES
   ───────────────────────────────────────────────────────────────────── */
/* Soft divider */
.bh-divider {
  border: none;
  border-top: 1px solid var(--bs-border-color);
  margin: 2rem 0;
}

/* Subtle section label */
.bh-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--bs-secondary-color);
}

/* Highlight pill */
.bh-pill {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-pill);
  background: var(--bh-green-50);
  color: var(--bh-green-700);
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid var(--bh-green-100);
}

/* Text truncation */
.text-truncate-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}


/* ─────────────────────────────────────────────────────────────────────
   PRINT
   ───────────────────────────────────────────────────────────────────── */
@media print {
  .navbar, footer, .alert, .no-print, .btn { display: none !important; }
  body { background: #fff; color: #000; }
  .card { box-shadow: none; border: 1px solid #ccc; }
}


/* ─────────────────────────────────────────────────────────────────────
   RESPONSIVE TWEAKS
   ───────────────────────────────────────────────────────────────────── */
@media (max-width: 575.98px) {
  .card-body { padding: 1rem 1.1rem; }
  .bh-hero { padding: 3rem 0 2.5rem; }
  .bh-section { padding: 2.5rem 0; }
  .bh-flash-container { right: 0.75rem; left: 0.75rem; max-width: none; }
}
