/* ==========================================================================
   SICMS Design System — "Waypoint"
   Concept: Star Initio = star (destination) + initio (beginning) - learning
   Python/English framed as an expedition charted from zero to pro, not a
   generic SaaS dashboard. Palette and type are chosen for that concept, not
   defaults: aged map paper, brass compass gold, pine trail, deep rust - never
   the cream+terracotta or near-black+neon combinations that read as generic.
   ========================================================================== */
:root {
  /* Brand accent - admin-configurable via Site Settings > Theme Preset */
  --theme-color: #C98A3E;
  --theme-color-dark: #A16C2E;
  --theme-color-light: #F3E4CC;
  --font-family: 'IBM Plex Sans Arabic', 'IBM Plex Sans', -apple-system, sans-serif;
  --font-heading: 'Amiri', 'Lora', Georgia, serif;

  /* Fixed design-system tokens (not admin-configurable) */
  --ink: #1B2A1E;
  --paper: #F5EFDC;
  --pine: #2F5D50;
  --rust: #8C3B2E;
  --trail: #B8A888;

  /* Surfaces */
  --text-color: #1B2A1E;
  --text-muted: #6B6252;
  --bg-color: #F5EFDC;
  --card-bg: #FFFDF6;
  --border-color: #DDD3B6;
  --header-bg: #1B2A1E;
  --header-text: #F5EFDC;

  /* Spacing scale */
  --space-1: 4px;  --space-2: 8px;  --space-3: 12px; --space-4: 16px;
  --space-5: 24px; --space-6: 32px; --space-7: 48px; --space-8: 64px;

  /* Radii & shadows - intentionally small/sharp, not the uniform
     rounded-everything SaaS-card default */
  --radius-sm: 4px; --radius-md: 6px; --radius-lg: 10px;
  --shadow-sm: 0 1px 2px rgba(27,42,30,.08);
  --shadow-md: 0 4px 14px rgba(27,42,30,.12);
  --shadow-lg: 0 14px 32px rgba(27,42,30,.18);

  --transition: 160ms ease;
}

[data-theme="dark"] {
  --text-color: #EDE6D2;
  --text-muted: #A79E8A;
  --bg-color: #141D16;
  --card-bg: #1E2B20;
  --border-color: #33422F;
  --theme-color-light: #3A2E1A;
  --paper: #141D16;
}

/* Neutral color scheme: a plain, simple alternative for anyone who doesn't
   want the "Waypoint" creative palette (forest-green/ink/gold) - real
   freedom to move away from it entirely, not just tweak a single accent.
   Chosen via Site Settings > Color Scheme. */
[data-scheme="neutral"] {
  --ink: #1a202c;
  --paper: #ffffff;
  --pine: #276749;
  --rust: #c53030;
  --trail: #a0aec0;
  --text-color: #1a202c;
  --text-muted: #718096;
  --bg-color: #f7fafc;
  --card-bg: #ffffff;
  --border-color: #e2e8f0;
  --header-bg: #1a202c;
  --header-text: #f7fafc;
  --theme-color-light: #ebf8ff;
}
[data-scheme="neutral"][data-theme="dark"] {
  --text-color: #e2e8f0;
  --text-muted: #9aa5b5;
  --bg-color: #0f1218;
  --card-bg: #1a202c;
  --border-color: #2d3748;
  --paper: #0f1218;
  --theme-color-light: #1c3a52;
}
/* The hero's contour-line texture and card corner-fold are part of the
   Waypoint concept specifically - hide them under the neutral scheme so it
   reads as genuinely plain, not "Waypoint with different colors". */
[data-scheme="neutral"] .hero::before { display: none; }
[data-scheme="neutral"] .card::before { display: none; }
[data-scheme="neutral"] .btn-primary { clip-path: none; padding-bottom: 14px; border-radius: var(--radius-md); }
[data-scheme="neutral"] .section-title::before { display: none; }
[data-scheme="neutral"] h1, [data-scheme="neutral"] h2, [data-scheme="neutral"] h3 { font-family: var(--font-family); }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  margin: 0;
  font-family: var(--font-family);
  background: var(--bg-color);
  color: var(--text-color);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
  max-width: 100vw;
  background-image:
    radial-gradient(circle at 15% 20%, rgba(201,138,62,.05) 0, transparent 45%),
    radial-gradient(circle at 85% 75%, rgba(47,93,80,.05) 0, transparent 45%);
  background-attachment: fixed;
}
.container { max-width: 1140px; margin: 0 auto; padding: 0 var(--space-4); }
a { color: var(--theme-color-dark); text-decoration: none; transition: color var(--transition); }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.3; font-family: var(--font-heading); font-weight: 700; }
img { max-width: 100%; height: auto; }

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  background: var(--header-bg);
  position: sticky; top: 0; z-index: 100;
  box-shadow: var(--shadow-sm);
  border-bottom: 3px solid var(--theme-color);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  gap: var(--space-4);
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: var(--space-3); flex-shrink: 0; }
.brand .logo { height: 42px; width: 42px; max-height: 42px; max-width: 42px; object-fit: contain; flex-shrink: 0; border-radius: 6px; }
.brand-title { font-family: var(--font-heading); font-weight: 700; font-size: 1.2rem; color: var(--header-text); white-space: nowrap; }

.nav-toggle {
  display: none; background: none; border: none; font-size: 1.6rem;
  cursor: pointer; color: var(--header-text); padding: var(--space-2);
  z-index: 110;
}

.main-nav { display: flex; align-items: center; justify-content: space-between; flex: 1; gap: var(--space-4); flex-wrap: wrap; }
.main-nav ul { list-style: none; display: flex; gap: var(--space-4); margin: 0; padding: 0; align-items: center; flex-wrap: wrap; }
.main-nav a { color: var(--header-text); font-size: .95rem; position: relative; padding-bottom: 2px; }

/* Dropdown submenus (Training, Resources) */
.main-nav li.has-submenu { position: relative; }
.submenu-arrow { font-size: .7rem; opacity: .8; }
.main-nav .submenu {
  list-style: none; margin: 0; padding: 6px 0; display: none;
  position: absolute; top: 100%; left: 0; min-width: 180px;
  background: var(--header-bg); border: 1px solid rgba(245,239,220,.15); border-radius: var(--radius-sm); box-shadow: var(--shadow-md);
  z-index: 50; flex-direction: column;
}
[dir="rtl"] .main-nav .submenu { left: auto; right: 0; }
.main-nav .submenu li { width: 100%; }
.main-nav .submenu a {
  display: block; padding: 9px 16px; white-space: nowrap; font-size: .9rem;
}
.main-nav .submenu a::after { display: none; }
.main-nav .submenu a:hover { background: rgba(201,138,62,.15); text-decoration: none; }
@media (min-width: 861px) {
  .main-nav li.has-submenu:hover .submenu,
  .main-nav li.has-submenu.open .submenu { display: flex; }
}
.main-nav ul li > a:not(.btn-outline)::after {
  content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
  background: var(--theme-color); transition: width var(--transition);
}
[dir="rtl"] .main-nav ul li > a:not(.btn-outline)::after { left: auto; right: 0; }
.main-nav ul li > a:not(.btn-outline):hover::after { width: 100%; }
.main-nav .nav-user { font-size: .88rem; color: var(--trail); }
.btn-outline {
  border: 1px solid var(--header-text); color: var(--header-text) !important;
  padding: 7px 16px; border-radius: var(--radius-sm); transition: background var(--transition);
}
.btn-outline:hover { background: rgba(245,239,220,.1); text-decoration: none; }
.lang-switch { font-size: .85rem; opacity: .85; border: 1px solid rgba(245,239,220,.25); padding: 5px 12px; border-radius: 20px; }
.search-box { display: flex; gap: var(--space-2); }
.search-box input {
  background: rgba(245,239,220,.08); border: 1px solid rgba(245,239,220,.25);
  color: var(--header-text); border-radius: var(--radius-sm); padding: 7px 10px; font-size: .88rem;
}
.search-box input::placeholder { color: var(--trail); }
.search-box button { background: var(--theme-color); border: none; color: var(--ink); font-weight: 600; border-radius: var(--radius-sm); padding: 7px 12px; cursor: pointer; }

.nav-overlay { display: none; }

/* ==========================================================================
   Hero - the one place boldness is spent. A waypoint line traces from the
   headline toward the CTA, a single deliberate motion (not scattered
   fade-ins), evoking a route being charted on a map.
   ========================================================================== */
.hero {
  background: var(--ink);
  color: var(--paper); border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6); margin: var(--space-5) 0;
  text-align: center; box-shadow: var(--shadow-lg);
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; top: -20%; left: -10%; width: 120%; height: 140%;
  background-image:
    repeating-radial-gradient(circle at 30% 40%, transparent 0, transparent 38px, rgba(201,138,62,.10) 39px, rgba(201,138,62,.10) 40px),
    repeating-radial-gradient(circle at 80% 70%, transparent 0, transparent 52px, rgba(245,239,220,.06) 53px, rgba(245,239,220,.06) 54px);
  pointer-events: none;
}
.hero > * { position: relative; z-index: 1; }
.hero h1 {
  margin: 0 0 var(--space-3); font-size: 1.8rem; font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 700; letter-spacing: .01em;
}
.hero p { margin: 0 0 var(--space-5); opacity: .85; font-size: 1.05rem; font-family: var(--font-family); }
.btn-primary {
  background: var(--theme-color); color: var(--ink); padding: 14px 32px;
  font-weight: 700; display: inline-block; font-family: var(--font-family);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  clip-path: polygon(0 0, 100% 0, 100% 70%, 50% 100%, 0 70%);
  padding-bottom: 22px;
}
.btn-primary:hover { transform: translateY(-2px); background: #DCA05C; text-decoration: none; }

.hero-banner { margin: var(--space-5) 0; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.hero-banner img { width: 100%; height: auto; display: block; }

.hero-slider {
  position: relative; margin: var(--space-5) 0; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-md); background: var(--ink);
  height: 0; padding-top: 31.25%;
}
.hero-slider-track { position: absolute; top: 0; right: 0; bottom: 0; left: 0; width: 100%; height: 100%; }
.hero-slide {
  position: absolute; top: 0; right: 0; bottom: 0; left: 0; opacity: 0; transition: opacity 500ms ease; pointer-events: none;
}
.hero-slide.active { opacity: 1; pointer-events: auto; }
.hero-slide a { display: block; width: 100%; height: 100%; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-slide-caption {
  position: absolute; bottom: 0; left: 0; right: 0; padding: 20px 24px;
  background: linear-gradient(transparent, rgba(27,42,30,.75)); color: var(--paper); font-size: 1.1rem; font-weight: 600;
  font-family: var(--font-heading);
}
.hero-slider-arrow {
  position: absolute; top: 50%; margin-top: -20px; background: rgba(27,42,30,.45); color: var(--paper);
  border: none; width: 40px; height: 40px; border-radius: 50%; cursor: pointer; font-size: 1rem;
  display: flex; align-items: center; justify-content: center; transition: background 150ms;
}
.hero-slider-arrow:hover { background: rgba(27,42,30,.7); }
.hero-slider-arrow.prev { left: 14px; }
[dir="rtl"] .hero-slider-arrow.prev { left: auto; right: 14px; }
.hero-slider-arrow.next { right: 14px; }
[dir="rtl"] .hero-slider-arrow.next { right: auto; left: 14px; }
.hero-slider-dots { position: absolute; bottom: 12px; right: 16px; display: flex; gap: 8px; z-index: 2; }
[dir="rtl"] .hero-slider-dots { right: auto; left: 16px; }
.hero-slider-dot {
  width: 9px; height: 9px; border-radius: 50%; background: rgba(245,239,220,.5); border: none; cursor: pointer; padding: 0;
}
.hero-slider-dot.active { background: var(--theme-color); }
@media (max-width: 640px) { .hero-slider { padding-top: 45%; } }

.plyr { border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-md); }
.plyr--video { background: var(--ink); }
.plyr__control--overlaid, .plyr--video .plyr__control.plyr__tab-focus, .plyr--video .plyr__control:hover, .plyr--video .plyr__control[aria-expanded=true] {
  background: var(--theme-color);
}

/* Video page: 2-column YouTube-style layout (player+details left, related
   videos sidebar right), collapsing to a single column on smaller screens. */
.video-page-layout { display: grid; grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr); gap: var(--space-5); align-items: start; }
@media (max-width: 900px) { .video-page-layout { grid-template-columns: 1fr; } }

.video-description { position: relative; white-space: pre-wrap; }
.video-description-collapsed {
  max-height: 4.8em; overflow: hidden;
  -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
          mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
}

.video-page-sidebar { display: flex; flex-direction: column; gap: var(--space-3); }
.related-video-card {
  display: flex; gap: var(--space-3); color: var(--text-color); text-decoration: none;
  border-radius: var(--radius-sm); padding: 6px; transition: background var(--transition);
}
.related-video-card:hover { background: var(--theme-color-light); text-decoration: none; }
.related-video-thumb { position: relative; flex-shrink: 0; width: 140px; height: 79px; border-radius: var(--radius-sm); overflow: hidden; background: var(--ink); }
.related-video-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.related-video-thumb-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; }
.related-video-duration {
  position: absolute; bottom: 4px; right: 4px; background: rgba(27,42,30,.85); color: var(--paper);
  font-size: .72rem; padding: 1px 5px; border-radius: 3px; font-weight: 600;
}
[dir="rtl"] .related-video-duration { right: auto; left: 4px; }
.related-video-info { min-width: 0; }
.related-video-title { font-size: .92rem; font-weight: 600; line-height: 1.35; margin-bottom: 4px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-video-meta { font-size: .8rem; color: var(--text-muted); }

/* Video action bar - share buttons use each platform's own recognizable
   color (a deliberate, common pattern for share UI - instant recognition
   beats uniform styling here), and reactions get a pill shape with a real
   pressed state instead of a plain color swap. */
/* Share widget: a single toggle button reveals icon-only share buttons in a
   small popover, instead of four always-visible text buttons cluttering the
   action bar. */
.share-widget { position: relative; display: inline-block; }
.share-icon-popover {
  display: none; position: fixed; z-index: 500;
  background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 999px;
  padding: 8px 10px; box-shadow: var(--shadow-md); gap: 8px;
}
.share-widget.open .share-icon-popover { display: flex; }
.share-icon-btn {
  display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px;
  border-radius: 50%; font-size: 1.1rem; color: #fff !important; border: none; cursor: pointer;
  transition: transform var(--transition), filter var(--transition);
}
.share-icon-btn:hover { transform: scale(1.1); filter: brightness(1.1); text-decoration: none; }
.share-icon-btn.whatsapp { background: #25D366; }
.share-icon-btn.x-share { background: #14171A; }
.share-icon-btn.facebook { background: #1877F2; }
.share-icon-btn.copy-link { background: var(--pine); }

.reaction-btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 9px 18px; border-radius: 999px;
  font-weight: 700; font-size: .95rem; border: 2px solid var(--border-color); background: var(--card-bg);
  color: var(--text-color); cursor: pointer; transition: all var(--transition);
}
.reaction-btn:hover { border-color: var(--theme-color); transform: translateY(-1px); }
.reaction-btn.reaction-active-like { background: var(--pine); border-color: var(--pine); color: #fff; }
.reaction-btn.reaction-active-dislike { background: var(--rust); border-color: var(--rust); color: #fff; }
.pending-badge { margin-left: 6px; }
[dir="rtl"] .pending-badge { margin-left: 0; margin-right: 6px; }

/* ==========================================================================
   Sections, cards, grid
   ========================================================================== */
.section-title {
  font-size: 1.4rem; margin: var(--space-7) 0 var(--space-4);
  display: flex; align-items: center; gap: var(--space-3);
  padding-bottom: var(--space-3); border-bottom: 1px solid var(--border-color);
}
.section-title::before {
  content: ''; flex-shrink: 0; width: 11px; height: 11px; border-radius: 50%;
  background: var(--theme-color); border: 2px solid var(--ink);
  box-shadow: 0 0 0 2px var(--theme-color);
}
[data-theme="dark"] .section-title::before { border-color: var(--paper); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--space-4); }
.card {
  background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--radius-md);
  padding: var(--space-4); transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  position: relative; overflow: hidden;
}
.card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 0; height: 0;
  border-style: solid; border-width: 0 22px 22px 0; border-color: transparent var(--theme-color-light) transparent transparent;
  transition: border-width var(--transition);
}
[dir="rtl"] .card::before { left: auto; right: 0; border-width: 0 0 22px 22px; border-color: transparent transparent transparent var(--theme-color-light); }
.grid .card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: var(--theme-color); }
.grid .card:hover::before { border-width: 0 30px 30px 0; }
[dir="rtl"] .grid .card:hover::before { border-width: 0 0 30px 30px; }
.card h3 { margin-top: 0; }
.badge {
  display: inline-block; background: var(--theme-color-light); color: var(--theme-color-dark);
  font-size: .74rem; font-weight: 600; padding: 3px 12px; border-radius: 3px; margin-bottom: var(--space-2);
  border: 1px solid var(--theme-color);
}

/* ==========================================================================
   Forms
   ========================================================================== */
.form-box {
  max-width: 440px; margin: var(--space-7) auto; background: var(--card-bg);
  padding: var(--space-6); border-radius: 22px; border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}
.form-box-logo { display: block; height: 56px; width: 56px; object-fit: contain; margin: 0 auto var(--space-4); border-radius: 12px; }
.form-box h2 { margin-top: 0; text-align: center; }
.form-group { margin-bottom: var(--space-4); }
.form-group label { display: block; margin-bottom: var(--space-2); font-size: .9rem; font-weight: 600; font-family: var(--font-family); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 11px 12px; border: 1px solid var(--border-color); border-radius: var(--radius-sm);
  font-family: inherit; font-size: 1rem; background: var(--card-bg); color: var(--text-color);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--theme-color); box-shadow: 0 0 0 3px var(--theme-color-light);
}
.btn {
  background: var(--theme-color); color: var(--ink); border: none; padding: 11px 22px; border-radius: var(--radius-sm);
  cursor: pointer; font-size: 1rem; font-weight: 600; transition: filter var(--transition), transform var(--transition);
}
.btn:hover { filter: brightness(1.08); }
.btn:active { transform: scale(.98); }
.btn-block { width: 100%; }
.btn-sm { padding: 6px 14px; font-size: .85rem; }
.btn-danger { background: var(--rust); color: var(--paper); }
.alert { padding: var(--space-3) var(--space-4); border-radius: var(--radius-sm); margin-bottom: var(--space-4); }
.alert-error { background: #FBEAE6; color: var(--rust); border: 1px solid #E4B3A8; }
.alert-success { background: #E8F0EA; color: var(--pine); border: 1px solid #A8C7B5; }

/* ==========================================================================
   Forum
   ========================================================================== */
.topic-row { display: flex; justify-content: space-between; padding: var(--space-4) 0; border-bottom: 1px solid var(--border-color); gap: var(--space-3); flex-wrap: wrap; }
.reply-box { background: var(--bg-color); border: 1px solid var(--border-color); padding: var(--space-4); border-radius: var(--radius-sm); margin-bottom: var(--space-3); }
[data-theme="dark"] .reply-box { background: #182219; }

/* ==========================================================================
   Python playground
   ========================================================================== */
.py-playground { margin: var(--space-3) 0; }
.py-editor {
  width: 100%; font-family: 'SF Mono', 'Courier New', monospace; font-size: .9rem; direction: ltr; text-align: left;
  background: #1e1e1e; color: #d4d4d4; border: 1px solid #333; border-radius: var(--radius-sm); padding: var(--space-3); resize: vertical;
}
.py-output {
  background: #0d1117; color: #58d68d; font-family: 'SF Mono', 'Courier New', monospace; font-size: .85rem;
  padding: var(--space-3); border-radius: var(--radius-sm); margin-top: var(--space-2); white-space: pre-wrap; direction: ltr; text-align: left;
  min-height: 40px; max-height: 300px; overflow-y: auto;
}

/* ==========================================================================
   Progress, pagination
   ========================================================================== */
.progress-bar { background: var(--border-color); border-radius: 20px; height: 10px; overflow: hidden; margin: var(--space-2) 0; }
.progress-bar-fill { background: var(--theme-color); height: 100%; transition: width .4s ease; }
.pagination { display: flex; gap: var(--space-2); justify-content: center; margin: var(--space-5) 0; flex-wrap: wrap; }
.pagination a { padding: 6px 13px; border: 1px solid var(--border-color); border-radius: var(--radius-sm); }
.pagination a.active { background: var(--theme-color); color: var(--ink); border-color: var(--theme-color); }
.pagination a:hover { text-decoration: none; background: var(--theme-color-light); }
.pagination a.active:hover { background: var(--theme-color); }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { margin-top: var(--space-8); padding: var(--space-6) 0; text-align: center; color: var(--text-muted); border-top: 1px solid var(--border-color); }

/* ==========================================================================
   Responsive: tablet & mobile
   ========================================================================== */
@media (max-width: 860px) {
  .nav-toggle { display: block; }

  .main-nav {
    display: none;
    width: 100%;
    background: var(--header-bg);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-4) var(--space-4) var(--space-5);
    gap: var(--space-4);
  }
  .main-nav.open { display: flex; }

  .main-nav ul { flex-direction: column; align-items: stretch; gap: var(--space-1); width: 100%; }
  .main-nav ul li { width: 100%; }
  .main-nav ul a, .main-nav ul .nav-user { display: block; padding: var(--space-3) 0; border-bottom: 1px solid rgba(245,239,220,.08); }
  .search-box { width: 100%; }
  .search-box input { flex: 1; }

  .main-nav .submenu {
    position: static; display: none; box-shadow: none; background: rgba(245,239,220,.04);
    padding-left: var(--space-4); border-radius: 0;
  }
  [dir="rtl"] .main-nav .submenu { padding-left: 0; padding-right: var(--space-4); }
  .main-nav li.has-submenu.open .submenu { display: flex; }
  .submenu-arrow { transition: transform 150ms; }
  .main-nav li.has-submenu.open .submenu-arrow { transform: rotate(180deg); }

  .nav-overlay { display: none !important; }
}

@media (max-width: 640px) {
  .hero { padding: var(--space-6) var(--space-4); }
  .form-box { margin: var(--space-4) auto; padding: var(--space-4); }
  .brand-title { font-size: 1rem; }
  .container { padding: 0 var(--space-3); }
}

/* ==========================================================================
   Rich text editor (v4) - forum posts and video comments
   ========================================================================== */
.rte-wrapper {
  border: 1px solid #c3c4c7; border-radius: var(--radius-sm); overflow: hidden; background: #fff;
}
/* WordPress-style toolbar: light grey strip, grouped icon buttons */
.rte-toolbar {
  display: flex; align-items: center; gap: 1px; padding: 6px 8px;
  background: #f6f7f7; border-bottom: 1px solid #dcdcde; flex-wrap: wrap;
}
.rte-format {
  height: 30px; margin: 0 6px 0 0; padding: 0 8px; font-size: .85rem;
  border: 1px solid #c3c4c7 !important; border-radius: 3px; background: #fff; color: #2c3338;
  width: auto !important; min-width: 110px; cursor: pointer;
}
[dir="rtl"] .rte-format { margin: 0 0 0 6px; }
.rte-sep { width: 1px; height: 22px; background: #dcdcde; margin: 0 5px; flex-shrink: 0; }
.rte-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 30px; border: 1px solid transparent; background: transparent;
  cursor: pointer; border-radius: 3px; color: #2c3338; padding: 0; transition: background 120ms, color 120ms;
}
.rte-btn:hover { background: #f0f0f1; border-color: #c3c4c7; color: #135e96; }
.rte-btn.active { background: #dcdcde; border-color: #8c8f94; color: #135e96; }
.rte-btn svg { display: block; pointer-events: none; }
.rte-editable {
  min-height: 150px; padding: 14px; outline: none; line-height: 1.8; color: #2c3338;
  background: #fff; font-family: var(--font-family); font-size: 1rem; overflow-y: auto;
}
.rte-editable:empty::before { content: attr(data-placeholder); color: #8c8f94; }
.rte-editable a { color: #2271b1; }
.rte-editable h2, .rte-editable h3, .rte-editable h4 { margin: 12px 0 8px; line-height: 1.35; }
.rte-editable blockquote {
  margin: 10px 0; padding: 8px 14px; border-left: 4px solid #c3c4c7; background: #f6f7f7; color: #50575e;
}
[dir="rtl"] .rte-editable blockquote { border-left: none; border-right: 4px solid #c3c4c7; }
.rte-editable pre {
  background: #2c3338; color: #f0f0f1; padding: 12px; border-radius: 3px;
  overflow-x: auto; direction: ltr; text-align: left; font-size: .88rem;
}
.rte-editable hr { border: none; border-top: 2px solid #dcdcde; margin: 14px 0; }
.rte-editable ul, .rte-editable ol { padding-left: 26px; }
/* Fullscreen writing mode - fixed overlay covering the viewport */
.rte-wrapper.rte-fullscreen {
  position: fixed; top: 0; right: 0; bottom: 0; left: 0; z-index: 9999;
  border-radius: 0; display: flex; flex-direction: column;
}
.rte-wrapper.rte-fullscreen .rte-editable { flex: 1; min-height: 0; }

/* ==========================================================================
   Track completion certificate (v4)
   ========================================================================== */
.track-certificate {
  max-width: 720px; margin: 30px auto; padding: 48px 40px; text-align: center;
  background: var(--card-bg); border: 3px double var(--theme-color); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md); position: relative;
}
.track-cert-logo { width: 70px; height: 70px; object-fit: contain; margin-bottom: 18px; }
.track-cert-title { font-family: var(--font-heading); font-size: 1.9rem; font-weight: 700; color: var(--theme-color-dark); margin-bottom: 20px; }
.track-cert-sub { font-size: .95rem; color: var(--text-muted); margin: 6px 0; }
.track-cert-name { font-family: var(--font-heading); font-size: 2.1rem; font-weight: 700; margin: 14px 0; color: var(--text-color); }
.track-cert-track { font-size: 1.35rem; font-weight: 600; margin: 12px 0; color: var(--theme-color-dark); }
.track-cert-level { font-size: 1rem; color: var(--text-muted); margin-bottom: 22px; }
.track-cert-meta { font-size: .82rem; color: var(--text-muted); border-top: 1px solid var(--border-color); padding-top: 16px; margin-top: 16px; }
@media print {
  .site-header, .site-footer, .no-print { display: none !important; }
  .track-certificate { box-shadow: none; margin: 0; }
  body { background: #fff; }
}
@media (max-width: 640px) {
  .track-certificate { padding: 28px 18px; }
  .track-cert-name { font-size: 1.5rem; }
  .track-cert-title { font-size: 1.4rem; }
}

/* ==========================================================================
   Points card on the profile (v4)
   ========================================================================== */
.points-card { text-align: center; }
.points-total { font-size: 2.6rem; font-weight: 700; color: var(--theme-color-dark); line-height: 1.1; }
.points-label { font-size: .9rem; color: var(--text-muted); margin-bottom: 14px; }
.points-history { text-align: start; border-top: 1px solid var(--border-color); padding-top: 12px; }
.points-history-row {
  display: flex; justify-content: space-between; gap: 12px; padding: 7px 0;
  border-bottom: 1px solid var(--border-color); font-size: .88rem;
}
.points-history-row:last-child { border-bottom: none; }

/* Rich-text content posted by users (forum posts, comments) */
.post-body { line-height: 1.8; }
.post-body p { margin: 0 0 10px; }
.post-body ul, .post-body ol { padding-left: 24px; }
[dir="rtl"] .post-body ul, [dir="rtl"] .post-body ol { padding-left: 0; padding-right: 24px; }
.post-body a { color: var(--theme-color-dark); }
.post-body blockquote {
  margin: 10px 0; padding: 8px 14px; border-left: 3px solid var(--theme-color); background: var(--bg-color);
  border-radius: var(--radius-sm);
}
[dir="rtl"] .post-body blockquote { border-left: none; border-right: 3px solid var(--theme-color); }
.post-body code { background: var(--bg-color); padding: 2px 6px; border-radius: 3px; font-size: .9em; }
.post-body pre { background: #1e1e1e; color: #d4d4d4; padding: 12px; border-radius: var(--radius-sm); overflow-x: auto; direction: ltr; text-align: left; }

/* ==========================================================================
   Track sequence navigation inside a course (v4.0.1)
   ========================================================================== */
.track-breadcrumb {
  display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 10px 14px; background: var(--theme-color-light); border-radius: var(--radius-sm);
  margin-bottom: 16px; font-size: .9rem;
}
.track-step-counter { color: var(--text-muted); font-size: .85rem; white-space: nowrap; }

.track-nav-footer {
  margin-top: 28px; padding: 20px; background: var(--card-bg);
  border: 1px solid var(--border-color); border-radius: var(--radius-md);
}
.track-nav-status { font-size: .92rem; color: var(--text-muted); margin-bottom: 14px; text-align: center; }
.track-nav-status.done { color: var(--pine); font-weight: 600; }

.track-nav-buttons { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.track-nav-prev, .track-nav-next { min-width: 130px; text-align: center; }
/* A dimmed Next still works - a learner may want to skim ahead - it just
   signals that the current course isn't finished yet. */
.track-nav-dim { opacity: .55; }

.track-nav-list { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; margin-top: 18px; }
.track-nav-dot {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 50%; font-size: .78rem; font-weight: 600;
  background: var(--bg-color); color: var(--text-muted); border: 1px solid var(--border-color);
  text-decoration: none; transition: transform var(--transition);
}
.track-nav-dot:hover { transform: scale(1.12); text-decoration: none; }
.track-nav-dot.complete { background: var(--pine); color: #fff; border-color: var(--pine); }
.track-nav-dot.current { background: var(--theme-color); color: var(--ink); border-color: var(--theme-color-dark); box-shadow: 0 0 0 2px var(--theme-color-light); }

@media (max-width: 560px) {
  .track-nav-buttons { flex-direction: column; }
  .track-nav-prev, .track-nav-next { width: 100%; }
}

/* ==========================================================================
   Assessments: course gate + final exam (v4.1)
   ========================================================================== */
.course-gate {
  margin-top: 28px; padding: 20px; border-radius: var(--radius-md);
  background: var(--theme-color-light); border: 2px solid var(--theme-color);
}
.course-gate .section-title { border-bottom: none; padding-bottom: 0; }
.course-gate .section-title::before { display: none; }

.exam-callout {
  display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap;
  margin-top: 14px; padding: 14px 16px; border-radius: var(--radius-sm); border: 1px solid var(--border-color);
}
.exam-callout-ready { background: var(--theme-color-light); border-color: var(--theme-color); }
.exam-callout-done { background: #E8F0EA; border-color: #A8C7B5; }
.exam-callout-locked { background: var(--bg-color); opacity: .85; }

.exam-result { text-align: center; padding: 30px 20px; }
.exam-score { font-size: 3.2rem; font-weight: 700; line-height: 1; }
.exam-passed .exam-score { color: var(--pine); }
.exam-failed .exam-score { color: var(--rust); }
.exam-score-detail { font-size: .95rem; color: var(--text-muted); margin: 8px 0 16px; }

.exam-review-item { border-left: 4px solid var(--border-color); }
[dir="rtl"] .exam-review-item { border-left: none; border-right: 4px solid var(--border-color); }
.exam-review-item.correct { border-left-color: var(--pine); }
[dir="rtl"] .exam-review-item.correct { border-right-color: var(--pine); }
.exam-review-item.incorrect { border-left-color: var(--rust); }
[dir="rtl"] .exam-review-item.incorrect { border-right-color: var(--rust); }

/* ==========================================================================
   Lesson content with images (v4.1.2) - essential for visual subjects
   like Photoshop, where screenshots teach far more than prose
   ========================================================================== */
.lesson-content { line-height: 1.85; }
.lesson-content p { margin: 0 0 12px; }
.lesson-image {
  display: block; max-width: 100%; height: auto; margin: 16px auto;
  border-radius: var(--radius-md); border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}
.lesson-content figure { margin: 18px 0; }
.lesson-content figcaption {
  text-align: center; font-size: .85rem; color: var(--text-muted); margin-top: 6px; font-style: italic;
}
.lesson-content ul, .lesson-content ol { padding-left: 26px; }
[dir="rtl"] .lesson-content ul, [dir="rtl"] .lesson-content ol { padding-left: 0; padding-right: 26px; }
.lesson-content code { background: var(--bg-color); padding: 2px 6px; border-radius: 3px; font-size: .9em; }
.lesson-content pre {
  background: #1e1e1e; color: #d4d4d4; padding: 14px; border-radius: var(--radius-sm);
  overflow-x: auto; direction: ltr; text-align: left; font-size: .88rem;
}
.lesson-content table { width: 100%; border-collapse: collapse; margin: 14px 0; }
.lesson-content th, .lesson-content td {
  border: 1px solid var(--border-color); padding: 8px 10px; text-align: start; font-size: .9rem;
}
.lesson-content th { background: var(--bg-color); font-weight: 600; }
.lesson-content blockquote {
  margin: 14px 0; padding: 10px 16px; background: var(--theme-color-light);
  border-left: 4px solid var(--theme-color); border-radius: var(--radius-sm);
}
[dir="rtl"] .lesson-content blockquote { border-left: none; border-right: 4px solid var(--theme-color); }

/* Rendered rich-text output: the tags the WordPress-style toolbar produces */
.post-body h2, .post-body h3, .post-body h4 { margin: 14px 0 8px; line-height: 1.35; }
.post-body hr { border: none; border-top: 2px solid var(--border-color); margin: 14px 0; }
.post-body pre {
  background: #1e1e1e; color: #d4d4d4; padding: 12px; border-radius: var(--radius-sm);
  overflow-x: auto; direction: ltr; text-align: left; font-size: .88rem;
}