/* ============================================================
   Nova LMS – Public Stylesheet
   Color Palette: #0A0A0A (deep black) / #FF6B00 (nova orange)
   Font: Poppins (Latin) + Rubik (Arabic)
   ============================================================ */

:root {
  --nova-black:      #0A0A0A;
  --nova-black-2:    #141414;
  --nova-black-3:    #1E1E1E;
  --nova-black-4:    #2A2A2A;
  --nova-orange:     #FF6B00;
  --nova-orange-2:   #FF8C33;
  --nova-orange-glow:#FF6B0033;
  --nova-white:      #FFFFFF;
  --nova-gray:       #B0B0B0;
  --nova-gray-2:     #666666;
  --nova-success:    #22C55E;
  --nova-danger:     #EF4444;
  --nova-radius:     12px;
  --nova-radius-lg:  20px;
  --nova-shadow:     0 8px 32px rgba(0,0,0,.6);
  --nova-shadow-o:   0 4px 24px rgba(255,107,0,.25);
  --nova-font:       'Poppins', 'Rubik', sans-serif;
  --nova-transition: all .25s cubic-bezier(.4,0,.2,1);
}

/* ── Reset / Base ─────────────────────────────────────────── */
.nova-lms *,
.nova-lms *::before,
.nova-lms *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* Direction is set via dir="rtl/ltr" on the wrapper — never hardcode */
.nova-lms { font-family: var(--nova-font); color: var(--nova-white); }
.nova-lms[dir="rtl"] { direction: rtl; text-align: right; font-family: 'Rubik', 'Poppins', sans-serif; }
.nova-lms[dir="ltr"] { direction: ltr; text-align: left; font-family: 'Poppins', 'Rubik', sans-serif; }
.nova-lms a { color: inherit; text-decoration: none; }
.nova-lms img { max-width: 100%; display: block; }

/* ── Buttons ──────────────────────────────────────────────── */
.nova-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 700;
  font-size: .95rem;
  cursor: pointer;
  border: none;
  transition: var(--nova-transition);
  letter-spacing: .02em;
}
.nova-btn-primary {
  background: var(--nova-orange);
  color: var(--nova-white);
  box-shadow: 0 4px 20px rgba(255,107,0,.4);
}
.nova-btn-primary:hover {
  background: var(--nova-orange-2);
  transform: translateY(-2px);
  box-shadow: var(--nova-shadow-o);
}
.nova-btn-ghost {
  background: transparent;
  color: var(--nova-orange);
  border: 2px solid var(--nova-orange);
}
.nova-btn-ghost:hover {
  background: var(--nova-orange);
  color: var(--nova-white);
}
.nova-btn:disabled {
  opacity: .45;
  cursor: not-allowed;
  transform: none !important;
}

/* ── Course Archive ───────────────────────────────────────── */
.nova-archive {
  background: var(--nova-black);
  min-height: 100vh;
  padding: 60px 20px;
}
.nova-archive-header {
  text-align: center;
  margin-bottom: 48px;
}
.nova-archive-header h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  background: linear-gradient(135deg, #fff 30%, var(--nova-orange) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nova-archive-header p { color: var(--nova-gray); margin-top: 12px; font-size: 1.1rem; }

.nova-level-filter {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 40px;
}
.nova-level-btn {
  padding: 8px 22px;
  border-radius: 50px;
  border: 1.5px solid var(--nova-black-4);
  background: var(--nova-black-3);
  color: var(--nova-gray);
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--nova-transition);
}
.nova-level-btn:hover,
.nova-level-btn.active {
  border-color: var(--nova-orange);
  color: var(--nova-orange);
  background: var(--nova-orange-glow);
}

.nova-courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 28px;
  max-width: 1280px;
  margin: 0 auto;
}

/* ── Course Card ──────────────────────────────────────────── */
.nova-course-card {
  background: var(--nova-black-2);
  border: 1px solid var(--nova-black-4);
  border-radius: var(--nova-radius-lg);
  overflow: hidden;
  transition: var(--nova-transition);
  position: relative;
}
.nova-course-card:hover {
  transform: translateY(-6px);
  border-color: var(--nova-orange);
  box-shadow: 0 20px 48px rgba(255,107,0,.15);
}
.nova-card-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.nova-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.nova-course-card:hover .nova-card-thumb img { transform: scale(1.05); }
.nova-card-thumb-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,10,10,.8) 0%, transparent 60%);
}
.nova-card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--nova-orange);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.nova-card-body { padding: 20px; }
.nova-card-level {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  color: var(--nova-orange);
  background: var(--nova-orange-glow);
  border: 1px solid var(--nova-orange);
  padding: 3px 10px;
  border-radius: 50px;
  margin-bottom: 10px;
}
.nova-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--nova-white);
  margin-bottom: 8px;
  line-height: 1.4;
}
.nova-card-meta {
  display: flex;
  gap: 16px;
  font-size: .8rem;
  color: var(--nova-gray-2);
  margin-bottom: 16px;
}
.nova-card-meta span { display: flex; align-items: center; gap: 5px; }
.nova-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--nova-black-4);
}
.nova-card-price {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--nova-orange);
}
.nova-card-price.free { color: var(--nova-success); }

/* ── Single Course Page ───────────────────────────────────── */
.nova-course-single { background: var(--nova-black); min-height: 100vh; }

.nova-course-hero {
  background: linear-gradient(135deg, var(--nova-black-2) 0%, var(--nova-black) 100%);
  border-bottom: 1px solid var(--nova-black-4);
  padding: 60px 20px;
  position: relative;
  overflow: hidden;
}
.nova-course-hero::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,107,0,.15) 0%, transparent 70%);
  pointer-events: none;
}
.nova-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 48px;
  align-items: center;
}
@media (max-width: 900px) { .nova-hero-inner { grid-template-columns: 1fr; } }

.nova-hero-content .nova-crumb { color: var(--nova-gray-2); font-size: .85rem; margin-bottom: 12px; }
.nova-hero-content .nova-crumb a { color: var(--nova-orange); }
.nova-hero-content h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
}
.nova-hero-content .nova-desc { color: var(--nova-gray); line-height: 1.7; font-size: 1rem; margin-bottom: 24px; }
.nova-hero-stats {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.nova-hero-stat { display: flex; align-items: center; gap: 8px; font-size: .9rem; color: var(--nova-gray); }
.nova-hero-stat strong { color: var(--nova-white); }

/* ── Purchase Card ────────────────────────────────────────── */
.nova-purchase-card {
  background: var(--nova-black-2);
  border: 1px solid var(--nova-black-4);
  border-radius: var(--nova-radius-lg);
  overflow: hidden;
  box-shadow: var(--nova-shadow);
  position: sticky;
  top: 20px;
}
.nova-purchase-thumb { aspect-ratio: 16/9; overflow: hidden; }
.nova-purchase-thumb img { width: 100%; height: 100%; object-fit: cover; }
.nova-purchase-thumb .nova-preview-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.5);
  font-size: 3rem;
  cursor: pointer;
  transition: var(--nova-transition);
}
.nova-purchase-thumb { position: relative; }
.nova-purchase-thumb:hover .nova-preview-btn { background: rgba(0,0,0,.3); }

.nova-purchase-body { padding: 24px; }
.nova-purchase-price {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--nova-orange);
  margin-bottom: 16px;
}
.nova-purchase-price.free { color: var(--nova-success); font-size: 1.4rem; }
.nova-purchase-body .nova-btn { width: 100%; justify-content: center; margin-bottom: 12px; }
.nova-purchase-includes { list-style: none; margin-top: 16px; }
.nova-purchase-includes li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--nova-black-4);
  font-size: .88rem;
  color: var(--nova-gray);
}
.nova-purchase-includes li:last-child { border: none; }
.nova-purchase-includes li .icon { color: var(--nova-orange); font-size: 1rem; }

/* ── Sessions Tabs ────────────────────────────────────────── */
.nova-sessions-section { max-width: 1200px; margin: 0 auto; padding: 60px 20px; }
.nova-sessions-section h2 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 32px;
  position: relative;
  padding-bottom: 12px;
}
.nova-sessions-section h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 60px;
  height: 3px;
  background: var(--nova-orange);
  border-radius: 2px;
}

.nova-session-tabs {
  display: flex;
  gap: 12px;
  margin-bottom: 28px;
  border-bottom: 2px solid var(--nova-black-4);
  padding-bottom: 0;
}
.nova-session-tab {
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 700;
  border: none;
  background: transparent;
  color: var(--nova-gray);
  cursor: pointer;
  position: relative;
  transition: var(--nova-transition);
  border-radius: var(--nova-radius) var(--nova-radius) 0 0;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: -2px;
}
.nova-session-tab::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0; right: 0;
  height: 3px;
  background: var(--nova-orange);
  border-radius: 2px 2px 0 0;
  transform: scaleX(0);
  transition: var(--nova-transition);
}
.nova-session-tab:hover { color: var(--nova-white); }
.nova-session-tab.active { color: var(--nova-orange); background: var(--nova-orange-glow); }
.nova-session-tab.active::after { transform: scaleX(1); }
.nova-session-tab.locked { opacity: .45; cursor: not-allowed; }
.nova-session-tab .tab-badge {
  background: var(--nova-black-4);
  color: var(--nova-gray);
  font-size: .7rem;
  padding: 2px 8px;
  border-radius: 50px;
}
.nova-session-tab.active .tab-badge { background: var(--nova-orange); color: #fff; }

.nova-session-panel { display: none; }
.nova-session-panel.active { display: block; animation: fadeUp .3s ease; }

.nova-session-progress-bar {
  height: 6px;
  background: var(--nova-black-4);
  border-radius: 3px;
  margin-bottom: 24px;
  overflow: hidden;
}
.nova-session-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--nova-orange), var(--nova-orange-2));
  border-radius: 3px;
  transition: width .6s cubic-bezier(.4,0,.2,1);
}

/* ── Lesson List ──────────────────────────────────────────── */
.nova-lessons-list { display: flex; flex-direction: column; gap: 10px; }
.nova-lesson-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--nova-black-2);
  border: 1px solid var(--nova-black-4);
  border-radius: var(--nova-radius);
  cursor: pointer;
  transition: var(--nova-transition);
  text-decoration: none;
  color: var(--nova-white);
  position: relative;
  overflow: hidden;
}
.nova-lesson-item::before {
  content: '';
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--nova-orange);
  transform: scaleY(0);
  transition: transform .25s ease;
  border-radius: 0 3px 3px 0;
}
.nova-lesson-item:hover { border-color: var(--nova-orange); background: var(--nova-black-3); }
.nova-lesson-item:hover::before { transform: scaleY(1); }
.nova-lesson-item.completed { border-color: rgba(34,197,94,.3); }
.nova-lesson-item.completed .nova-lesson-icon { background: rgba(34,197,94,.15); color: var(--nova-success); }
.nova-lesson-item.locked { opacity: .5; cursor: not-allowed; pointer-events: none; }

.nova-lesson-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--nova-orange-glow);
  color: var(--nova-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.nova-lesson-info { flex: 1; min-width: 0; }
.nova-lesson-title { font-weight: 600; font-size: .95rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nova-lesson-meta { font-size: .78rem; color: var(--nova-gray-2); margin-top: 3px; }
.nova-lesson-status { flex-shrink: 0; }
.nova-lesson-status .check { color: var(--nova-success); font-size: 1.2rem; }
.nova-lesson-status .lock  { color: var(--nova-gray-2); font-size: 1rem; }

/* ── Lesson Single Page ───────────────────────────────────── */
.nova-lesson-page {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 0;
  min-height: 100vh;
  background: var(--nova-black);
}
@media (max-width: 1024px) { .nova-lesson-page { grid-template-columns: 1fr; } }

.nova-lesson-main { padding: 0; overflow: hidden; }
.nova-lesson-sidebar {
  background: var(--nova-black-2);
  border-right: 1px solid var(--nova-black-4);
  overflow-y: auto;
  max-height: 100vh;
  position: sticky;
  top: 0;
}

/* Video Player */
.nova-video-wrapper {
  position: relative;
  background: #000;
  aspect-ratio: 16/9;
}
.nova-video-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.nova-lesson-content-area { padding: 32px; }
.nova-lesson-content-area h1 { font-size: 1.6rem; font-weight: 800; margin-bottom: 8px; }
.nova-lesson-breadcrumb { color: var(--nova-gray-2); font-size: .85rem; margin-bottom: 16px; }
.nova-lesson-breadcrumb a { color: var(--nova-orange); }

.nova-lesson-session-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--nova-orange-glow);
  border: 1px solid var(--nova-orange);
  color: var(--nova-orange);
  font-size: .8rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 20px;
}

.nova-lesson-notes {
  background: var(--nova-black-2);
  border: 1px solid var(--nova-black-4);
  border-radius: var(--nova-radius);
  padding: 24px;
  margin-top: 24px;
  color: var(--nova-gray);
  line-height: 1.8;
}
.nova-lesson-notes h3 { color: var(--nova-white); font-size: 1rem; margin-bottom: 12px; }

.nova-lesson-actions {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
  align-items: center;
}

/* ── Sidebar Lesson List (in lesson page) ─────────────────── */
.nova-sidebar-header {
  padding: 20px;
  border-bottom: 1px solid var(--nova-black-4);
  font-weight: 700;
  font-size: .95rem;
}
.nova-sidebar-progress {
  padding: 16px 20px;
  border-bottom: 1px solid var(--nova-black-4);
}
.nova-sidebar-progress-label { display: flex; justify-content: space-between; font-size: .8rem; color: var(--nova-gray); margin-bottom: 8px; }

.nova-sidebar-session { }
.nova-sidebar-session-header {
  padding: 12px 20px;
  background: var(--nova-black-3);
  font-size: .8rem;
  font-weight: 700;
  color: var(--nova-orange);
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: .05em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--nova-black-4);
}
.nova-sidebar-lesson {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  border-bottom: 1px solid rgba(255,255,255,.04);
  cursor: pointer;
  transition: var(--nova-transition);
  text-decoration: none;
  color: var(--nova-gray);
  font-size: .88rem;
}
.nova-sidebar-lesson:hover { background: var(--nova-black-3); color: var(--nova-white); }
.nova-sidebar-lesson.active { background: var(--nova-orange-glow); color: var(--nova-orange); font-weight: 600; }
.nova-sidebar-lesson.completed { color: var(--nova-success); }
.nova-sidebar-lesson.locked { opacity: .4; pointer-events: none; }
.nova-sidebar-lesson-num { width: 22px; text-align: center; font-size: .75rem; color: var(--nova-gray-2); flex-shrink: 0; }
.nova-sidebar-lesson-icon { font-size: .9rem; flex-shrink: 0; }

/* ── Quiz ──────────────────────────────────────────────────── */
.nova-quiz-wrapper {
  background: var(--nova-black-2);
  border: 1px solid var(--nova-black-4);
  border-radius: var(--nova-radius-lg);
  overflow: hidden;
  margin-top: 32px;
}
.nova-quiz-header {
  padding: 20px 24px;
  background: linear-gradient(135deg, var(--nova-black-3), var(--nova-black-2));
  border-bottom: 1px solid var(--nova-black-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nova-quiz-header h3 { font-size: 1.15rem; font-weight: 700; }
.nova-quiz-header .nova-quiz-score { color: var(--nova-orange); font-weight: 700; font-size: .9rem; }

.nova-quiz-body { padding: 24px; }
.nova-question { margin-bottom: 28px; }
.nova-question-text { font-weight: 600; font-size: 1rem; margin-bottom: 14px; color: var(--nova-white); }
.nova-question-num {
  display: inline-block;
  background: var(--nova-orange);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: 50px;
  margin-bottom: 6px;
}

.nova-options { display: flex; flex-direction: column; gap: 10px; }
.nova-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--nova-black-3);
  border: 1.5px solid var(--nova-black-4);
  border-radius: var(--nova-radius);
  cursor: pointer;
  transition: var(--nova-transition);
  user-select: none;
}
.nova-option:hover { border-color: var(--nova-orange); background: var(--nova-orange-glow); }
.nova-option input { accent-color: var(--nova-orange); width: 16px; height: 16px; }
.nova-option.correct { border-color: var(--nova-success); background: rgba(34,197,94,.08); }
.nova-option.wrong   { border-color: var(--nova-danger);  background: rgba(239,68,68,.08);  }

.nova-fill-input {
  width: 100%;
  background: var(--nova-black-3);
  border: 1.5px solid var(--nova-black-4);
  border-radius: var(--nova-radius);
  padding: 14px 18px;
  color: var(--nova-white);
  font-size: .95rem;
  font-family: var(--nova-font);
  transition: var(--nova-transition);
}
.nova-fill-input:focus { outline: none; border-color: var(--nova-orange); background: var(--nova-orange-glow); }
.nova-fill-input.correct { border-color: var(--nova-success); }
.nova-fill-input.wrong   { border-color: var(--nova-danger); }

.nova-quiz-footer { padding: 20px 24px; border-top: 1px solid var(--nova-black-4); display: flex; gap: 12px; align-items: center; }
.nova-quiz-result {
  padding: 20px 24px;
  text-align: center;
  display: none;
}
.nova-quiz-result.show { display: block; animation: fadeUp .4s ease; }
.nova-result-score {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--nova-orange);
}
.nova-result-msg { color: var(--nova-gray); margin-top: 8px; font-size: 1rem; }
.nova-result-msg.passed { color: var(--nova-success); }
.nova-result-msg.failed { color: var(--nova-danger); }

/* ── Progress Ring ─────────────────────────────────────────── */
.nova-progress-ring-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: var(--nova-black-2);
  border: 1px solid var(--nova-black-4);
  border-radius: var(--nova-radius-lg);
  margin-bottom: 28px;
}
.nova-ring svg { transform: rotate(-90deg); }
.nova-ring circle { fill: none; stroke-width: 6; }
.nova-ring .bg-circle { stroke: var(--nova-black-4); }
.nova-ring .fg-circle { stroke: var(--nova-orange); stroke-linecap: round; transition: stroke-dashoffset .6s ease; }
.nova-ring-text { text-align: center; }
.nova-ring-pct { font-size: 1.8rem; font-weight: 800; color: var(--nova-white); }
.nova-ring-label { font-size: .75rem; color: var(--nova-gray); }

/* ── Certificate ───────────────────────────────────────────── */
.nova-cert-page {
  min-height: 100vh;
  background: var(--nova-black);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  font-family: var(--nova-font);
}
.nova-cert-wrapper {
  width: 100%;
  max-width: 800px;
  background: var(--nova-black-2);
  border: 2px solid var(--nova-orange);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 0 80px rgba(255,107,0,.2);
  text-align: center;
  color: var(--nova-white);
  position: relative;
}
.nova-cert-wrapper::before,
.nova-cert-wrapper::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.nova-cert-wrapper::before {
  width: 300px; height: 300px;
  top: -100px; right: -80px;
  background: radial-gradient(circle, rgba(255,107,0,.12) 0%, transparent 70%);
}
.nova-cert-wrapper::after {
  width: 200px; height: 200px;
  bottom: -60px; left: -60px;
  background: radial-gradient(circle, rgba(255,107,0,.08) 0%, transparent 70%);
}
.nova-cert-header {
  background: linear-gradient(135deg, var(--nova-black-3), var(--nova-black-2));
  padding: 32px;
  border-bottom: 1px solid var(--nova-black-4);
}
.nova-cert-logo { font-size: 2.5rem; font-weight: 900; color: var(--nova-orange); letter-spacing: -.02em; }
.nova-cert-subtitle { color: var(--nova-gray); font-size: .9rem; margin-top: 4px; }
.nova-cert-body { padding: 48px 40px; }
.nova-cert-medal { font-size: 4rem; margin-bottom: 16px; }
.nova-cert-headline { font-size: 1rem; color: var(--nova-gray); text-transform: uppercase; letter-spacing: .15em; margin-bottom: 8px; }
.nova-cert-name { font-size: 2.8rem; font-weight: 800; background: linear-gradient(135deg,#fff,var(--nova-orange)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.nova-cert-course { font-size: 1.25rem; color: var(--nova-gray); margin: 12px 0; }
.nova-cert-course strong { color: var(--nova-white); }
.nova-cert-date { font-size: .85rem; color: var(--nova-gray-2); margin-top: 8px; }
.nova-cert-key { font-size: .72rem; color: var(--nova-gray-2); margin-top: 24px; font-family: monospace; }
.nova-cert-actions { padding: 24px; border-top: 1px solid var(--nova-black-4); display: flex; gap: 12px; justify-content: center; }

/* ── Notifications ─────────────────────────────────────────── */
.nova-toast-container {
  position: fixed;
  bottom: 28px;
  left: 28px;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.nova-toast {
  padding: 14px 22px;
  background: var(--nova-black-2);
  border: 1px solid var(--nova-black-4);
  border-radius: var(--nova-radius);
  font-size: .9rem;
  font-weight: 600;
  box-shadow: var(--nova-shadow);
  animation: slideIn .3s ease;
  max-width: 320px;
}
.nova-toast.success { border-color: var(--nova-success); color: var(--nova-success); }
.nova-toast.error   { border-color: var(--nova-danger);  color: var(--nova-danger); }
.nova-toast.info    { border-color: var(--nova-orange);  color: var(--nova-orange); }

/* ── Unlock animation overlay ──────────────────────────────── */
.nova-unlock-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.85);
  z-index: 99998;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn .3s ease;
}
.nova-unlock-box {
  background: var(--nova-black-2);
  border: 2px solid var(--nova-orange);
  border-radius: 24px;
  padding: 48px 40px;
  text-align: center;
  max-width: 400px;
  box-shadow: 0 0 60px rgba(255,107,0,.3);
  animation: popIn .4s cubic-bezier(.34,1.56,.64,1);
}
.nova-unlock-box .icon { font-size: 4rem; margin-bottom: 16px; }
.nova-unlock-box h3 { font-size: 1.6rem; font-weight: 800; margin-bottom: 8px; }
.nova-unlock-box p { color: var(--nova-gray); margin-bottom: 24px; }

/* ── Confetti (canvas overlay) ─────────────────────────────── */
#nova-confetti { position: fixed; inset: 0; pointer-events: none; z-index: 99997; }

/* ── My Courses (account) ──────────────────────────────────── */
.nova-my-courses .nova-empty { color: var(--nova-gray); text-align: center; padding: 40px; }
.nova-my-courses .nova-courses-grid { padding: 0; }
.nova-my-courses .nova-card-body .nova-progress-bar {
  height: 6px;
  background: var(--nova-black-4);
  border-radius: 3px;
  margin: 10px 0 4px;
  overflow: hidden;
}
.nova-my-courses .nova-card-body .nova-progress-fill {
  height: 100%;
  background: var(--nova-orange);
  border-radius: 3px;
  transition: width .6s ease;
}
.nova-my-courses .nova-cert-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  padding: 8px 16px;
  background: var(--nova-orange);
  color: #fff;
  border-radius: 50px;
  font-size: .8rem;
  font-weight: 700;
  transition: var(--nova-transition);
}
.nova-my-courses .nova-cert-btn:hover { background: var(--nova-orange-2); }

/* ── Animations ────────────────────────────────────────────── */
@keyframes fadeUp  { from { opacity:0; transform:translateY(16px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeIn  { from { opacity:0; } to { opacity:1; } }
@keyframes slideIn { from { opacity:0; transform:translateX(-20px); } to { opacity:1; transform:translateX(0); } }
@keyframes popIn   { from { opacity:0; transform:scale(.7); } to { opacity:1; transform:scale(1); } }
@keyframes spin    { to { transform: rotate(360deg); } }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nova-lesson-page { grid-template-columns: 1fr; }
  .nova-lesson-sidebar { max-height: 320px; }
  .nova-hero-inner { grid-template-columns: 1fr; }
  .nova-sessions-section { padding: 32px 16px; }
  .nova-cert-name { font-size: 2rem; }
}

/* ── Language Switcher ─────────────────────────────────────────────────────── */
.nova-lang-switcher {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  padding: 12px 20px;
  background: var(--nova-black-2);
  border-bottom: 1px solid var(--nova-black-4);
  display: none;
}
.nova-lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 50px;
  border: 1.5px solid var(--nova-black-4);
  background: var(--nova-black-3);
  color: var(--nova-gray);
  font-size: .8rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--nova-transition);
}
.nova-lang-btn:hover { border-color: var(--nova-orange); color: var(--nova-orange); }
.nova-lang-btn.nova-lang-active {
  background: var(--nova-orange);
  border-color: var(--nova-orange);
  color: #fff;
}

/* ── What You'll Learn (Outcomes) ─────────────────────────────────────────── */
.nova-outcomes-section {
  background: var(--nova-black-2);
  border-top: 1px solid var(--nova-black-4);
  border-bottom: 1px solid var(--nova-black-4);
  padding: 56px 20px;
}
.nova-outcomes-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.nova-outcomes-inner h2 {
  font-size: 1.7rem;
  font-weight: 800;
  margin-bottom: 28px;
  position: relative;
  padding-bottom: 12px;
}
.nova-outcomes-inner h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 50px;
  height: 3px;
  background: var(--nova-orange);
  border-radius: 2px;
}
[dir="ltr"] .nova-outcomes-inner h2::after { right: auto; left: 0; }

.nova-outcomes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}
.nova-outcome-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--nova-black-3);
  border: 1px solid var(--nova-black-4);
  border-radius: var(--nova-radius);
  padding: 14px 16px;
  transition: var(--nova-transition);
  font-size: .9rem;
  line-height: 1.5;
  color: var(--nova-gray);
}
.nova-outcome-item:hover {
  border-color: var(--nova-orange);
  color: var(--nova-white);
  transform: translateY(-2px);
}
.nova-outcome-check {
  color: var(--nova-orange);
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ── Session Description Box ──────────────────────────────────────────────── */
.nova-session-desc {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--nova-black-3);
  border: 1px solid var(--nova-black-4);
  border-right: 4px solid var(--nova-orange);
  border-radius: var(--nova-radius);
  padding: 16px 20px;
  margin-bottom: 20px;
  color: var(--nova-gray);
  line-height: 1.7;
  font-size: .92rem;
}
[dir="ltr"] .nova-session-desc {
  border-right: 1px solid var(--nova-black-4);
  border-left: 4px solid var(--nova-orange);
}
.nova-session-desc-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.nova-session-desc p { margin: 0; }

/* ── Locked Session Block ─────────────────────────────────────────────────── */
.nova-locked-session {
  text-align: center;
  padding: 56px 20px;
  color: var(--nova-gray);
}
.nova-locked-icon {
  font-size: 3.5rem;
  margin-bottom: 16px;
  opacity: .6;
}
.nova-locked-session p {
  font-size: 1rem;
  max-width: 400px;
  margin: 0 auto 20px;
  line-height: 1.6;
}
.nova-lock-progress {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: .82rem;
  color: var(--nova-gray-2);
  flex-wrap: wrap;
}

/* ── Session Nav Buttons (in lesson) ──────────────────────────────────────── */
.nova-session-nav-buttons {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 28px 0;
  padding: 20px;
  background: var(--nova-black-2);
  border: 1px solid var(--nova-black-4);
  border-radius: var(--nova-radius-lg);
  position: relative;
  overflow: hidden;
}
.nova-session-nav-buttons::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--nova-orange), #FF8C33, transparent);
}
.nova-session-nav-label {
  font-size: .82rem;
  font-weight: 700;
  color: var(--nova-gray);
  text-transform: uppercase;
  letter-spacing: .08em;
  flex-shrink: 0;
}
.nova-session-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 50px;
  font-weight: 700;
  font-size: .9rem;
  text-decoration: none;
  transition: var(--nova-transition);
  position: relative;
  overflow: hidden;
}
.nova-session-nav-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.05);
  opacity: 0;
  transition: opacity .2s ease;
}
.nova-session-nav-btn:hover::before { opacity: 1; }

.nova-session-nav-btn--ws {
  background: linear-gradient(135deg, #1a1a2e, var(--nova-black-3));
  border: 2px solid var(--nova-orange);
  color: var(--nova-orange);
  box-shadow: 0 4px 16px rgba(255,107,0,.15);
}
.nova-session-nav-btn--ws:hover {
  background: var(--nova-orange);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,107,0,.35);
}

.nova-session-nav-btn--ue {
  background: linear-gradient(135deg, var(--nova-black-3), #1a1a2e);
  border: 2px solid #6366f1;
  color: #818cf8;
  box-shadow: 0 4px 16px rgba(99,102,241,.15);
}
.nova-session-nav-btn--ue:hover {
  background: #6366f1;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(99,102,241,.35);
}

.nova-nav-btn-arrow {
  font-size: .8rem;
  opacity: .7;
  transition: transform .2s ease;
}
.nova-session-nav-btn:hover .nova-nav-btn-arrow { transform: translate(2px, -2px); opacity: 1; }

/* ── LTR / RTL dir overrides ──────────────────────────────────────────────── */
[dir="ltr"] .nova-sessions-section h2::after { right: auto; left: 0; }
[dir="ltr"] .nova-lesson-breadcrumb { direction: ltr; }
[dir="ltr"] .nova-session-nav-buttons::before { background: linear-gradient(90deg, transparent, #FF8C33, var(--nova-orange)); }

/* ── Cert section (course page) ───────────────────────────────────────────── */
.nova-cert-section {
  margin-top: 48px;
  text-align: center;
  padding: 40px;
  background: var(--nova-black-2);
  border: 1px solid var(--nova-orange);
  border-radius: 20px;
  box-shadow: 0 0 40px rgba(255,107,0,.1);
}
.nova-cert-section h3 {
  font-size: 1.4rem;
  margin-bottom: 8px;
}
.nova-cert-section p {
  color: var(--nova-gray);
  margin-bottom: 20px;
}

/* ============================================================
   ADDITIONS v1.2 – Dashboard / Auth / Lesson Resource Buttons
   ============================================================ */

/* ── Lesson Row (wraps lesson item + resource buttons) ─────── */
.nova-lesson-row {
  border-bottom: 1px solid var(--nova-black-4);
}
.nova-lesson-row:last-child { border-bottom: none; }
.nova-lesson-row .nova-lesson-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  transition: var(--nova-transition);
  text-decoration: none;
  color: var(--nova-white);
}
.nova-lesson-row .nova-lesson-item:hover { background: var(--nova-black-3); }

/* ── Resource Buttons (Wortschatz / Übung per lesson) ──────── */
.nova-lesson-resources {
  display: flex;
  gap: 8px;
  padding: 0 16px 12px;
  flex-wrap: wrap;
}
.nova-resource-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 50px;
  font-size: .78rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--nova-transition);
  text-decoration: none;
  letter-spacing: .02em;
}
.nova-resource-btn--ws {
  background: rgba(59,130,246,.12);
  color: #60A5FA;
  border: 1.5px solid rgba(59,130,246,.35);
}
.nova-resource-btn--ws:hover {
  background: rgba(59,130,246,.25);
  color: #93C5FD;
}
.nova-resource-btn--ue {
  background: rgba(255,107,0,.12);
  color: var(--nova-orange);
  border: 1.5px solid rgba(255,107,0,.35);
}
.nova-resource-btn--ue:hover {
  background: rgba(255,107,0,.25);
  color: var(--nova-orange-2);
}
.nova-resource-arrow { font-size: .72rem; opacity: .7; }

/* ── Auth Gate ──────────────────────────────────────────────── */
.nova-auth-gate {
  background: var(--nova-black);
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}
.nova-auth-gate-inner { text-align: center; max-width: 480px; }
.nova-auth-gate-icon { font-size: 4rem; margin-bottom: 16px; }
.nova-auth-gate-inner h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: 10px; }
.nova-auth-gate-inner p  { color: var(--nova-gray); margin-bottom: 28px; }
.nova-auth-gate-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ══════════════════════════════════════════════════════════════
   AUTH PAGE – Full redesign with split layout
══════════════════════════════════════════════════════════════ */
.nova-auth-page {
  background: var(--nova-black);
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
  overflow: hidden;
}

/* Left/Right panel (decorative side) */
.nova-auth-side {
  background: linear-gradient(145deg, #0f0f0f 0%, #1a0a00 50%, #0f0f0f 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 40px;
  position: relative;
  overflow: hidden;
}
.nova-auth-side::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(255,107,0,.15) 0%, transparent 70%);
}
.nova-auth-side-flag {
  font-size: 5rem;
  margin-bottom: 24px;
  position: relative;
  filter: drop-shadow(0 0 40px rgba(255,107,0,.4));
}
.nova-auth-side-title {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--nova-white);
  margin-bottom: 12px;
  text-align: center;
  position: relative;
  line-height: 1.2;
}
.nova-auth-side-title span { color: var(--nova-orange); }
.nova-auth-side-tagline {
  color: var(--nova-gray);
  font-size: .95rem;
  text-align: center;
  position: relative;
  max-width: 280px;
  line-height: 1.6;
}
.nova-auth-side-features {
  list-style: none;
  margin-top: 36px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
  max-width: 280px;
}
.nova-auth-side-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .88rem;
  color: var(--nova-gray);
}
.nova-auth-side-features li span:first-child {
  width: 32px;
  height: 32px;
  background: var(--nova-orange-glow);
  border: 1px solid rgba(255,107,0,.3);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
}

/* Form side */
.nova-auth-form-side {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 40px;
  overflow-y: auto;
}

/* Mobile: stack vertically */
@media (max-width: 768px) {
  .nova-auth-page { grid-template-columns: 1fr; }
  .nova-auth-side { display: none; }
  .nova-auth-form-side { padding: 40px 20px; }
}

.nova-auth-box {
  background: var(--nova-black-2);
  border: 1px solid var(--nova-black-4);
  border-radius: var(--nova-radius-lg);
  padding: 44px 40px;
  width: 100%;
  max-width: 460px;
  box-shadow: var(--nova-shadow);
}
.nova-auth-box--wide { max-width: 560px; }

/* Logo / brand header */
.nova-auth-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 32px;
}
.nova-auth-logo img { height: 40px; }
.nova-auth-brand { font-size: 1.4rem; font-weight: 900; color: var(--nova-orange); letter-spacing: -.02em; }

.nova-auth-title {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 6px;
  line-height: 1.2;
}
.nova-auth-subtitle {
  color: var(--nova-gray);
  font-size: .88rem;
  margin-bottom: 32px;
  line-height: 1.5;
}

/* Divider */
.nova-auth-divider {
  height: 1px;
  background: var(--nova-black-4);
  margin: 8px 0 24px;
}

/* Alert */
.nova-auth-alert {
  padding: 12px 16px;
  border-radius: var(--nova-radius);
  margin-bottom: 20px;
  font-size: .87rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}
.nova-auth-alert--error  { background: rgba(239,68,68,.1); border: 1px solid rgba(239,68,68,.25); color: #FCA5A5; }
.nova-auth-alert--success{ background: rgba(34,197,94,.1);  border: 1px solid rgba(34,197,94,.25);  color: #86EFAC; }

/* Form */
.nova-auth-form { display: flex; flex-direction: column; gap: 18px; }
.nova-form-row  { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 500px) { .nova-form-row { grid-template-columns: 1fr; } }
.nova-form-group { display: flex; flex-direction: column; gap: 6px; }

.nova-form-group label {
  font-size: .8rem;
  font-weight: 700;
  color: var(--nova-gray);
  display: flex;
  justify-content: space-between;
  align-items: center;
  letter-spacing: .03em;
  text-transform: uppercase;
}
.nova-form-forgot {
  font-size: .76rem;
  color: var(--nova-orange);
  text-decoration: none;
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
}
.nova-form-forgot:hover { text-decoration: underline; }

.nova-form-input {
  background: var(--nova-black-3);
  border: 1.5px solid var(--nova-black-4);
  border-radius: var(--nova-radius);
  padding: 13px 16px;
  color: var(--nova-white);
  font-family: inherit;
  font-size: .9rem;
  width: 100%;
  transition: var(--nova-transition);
}
.nova-form-input:focus {
  outline: none;
  border-color: var(--nova-orange);
  box-shadow: 0 0 0 3px var(--nova-orange-glow);
  background: var(--nova-black-2);
}
.nova-form-input::placeholder { color: var(--nova-gray-2); }

/* Password toggle */
.nova-password-wrap { position: relative; }
.nova-password-wrap .nova-form-input { padding-inline-end: 44px; }
.nova-toggle-pw {
  position: absolute;
  inset-inline-end: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  opacity: .55;
  transition: opacity .2s;
}
.nova-toggle-pw:hover { opacity: 1; }

/* Checkbox */
.nova-checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  color: var(--nova-gray);
  cursor: pointer;
}
.nova-checkbox-label input { accent-color: var(--nova-orange); width: 16px; height: 16px; cursor: pointer; }

/* Buttons */
.nova-btn-full { width: 100%; justify-content: center; padding: 14px; font-size: 1rem; }
.nova-btn-sm   { padding: 8px 18px; font-size: .82rem; }

.nova-auth-switch {
  text-align: center;
  margin-top: 24px;
  color: var(--nova-gray);
  font-size: .85rem;
}
.nova-auth-switch a { color: var(--nova-orange); font-weight: 700; text-decoration: none; }
.nova-auth-switch a:hover { text-decoration: underline; }

/* ── Dashboard ──────────────────────────────────────────────── */
.nova-dashboard {
  background: var(--nova-black);
  min-height: 100vh;
  padding-bottom: 60px;
}

/* Header */
.nova-dash-header {
  background: linear-gradient(135deg, var(--nova-black-2) 0%, #1a0d00 100%);
  border-bottom: 1px solid var(--nova-black-4);
  padding: 32px 20px;
}
.nova-dash-header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 20px;
}
.nova-dash-avatar .nova-avatar-img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 3px solid var(--nova-orange);
  object-fit: cover;
}
.nova-dash-greeting { color: var(--nova-gray); font-size: .85rem; margin-bottom: 4px; }
.nova-dash-welcome h1 { font-size: 1.6rem; font-weight: 800; margin-bottom: 4px; }
.nova-dash-email { color: var(--nova-gray-2); font-size: .82rem; }

/* Stats */
.nova-dash-stats {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.nova-dash-stat-card {
  background: var(--nova-black-2);
  border: 1px solid var(--nova-black-4);
  border-radius: var(--nova-radius-lg);
  padding: 20px;
  text-align: center;
  transition: var(--nova-transition);
}
.nova-dash-stat-card:hover { border-color: var(--nova-orange); box-shadow: var(--nova-shadow-o); }
.nova-stat-icon { font-size: 1.8rem; margin-bottom: 8px; }
.nova-stat-value { font-size: 2rem; font-weight: 800; color: var(--nova-orange); }
.nova-stat-label { font-size: .78rem; color: var(--nova-gray); margin-top: 4px; }

/* Tabs */
.nova-dash-content { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.nova-dash-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--nova-black-4);
  margin-bottom: 28px;
}
.nova-dash-tab {
  padding: 12px 22px;
  background: transparent;
  border: none;
  color: var(--nova-gray);
  font-family: var(--nova-font);
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: var(--nova-transition);
}
.nova-dash-tab:hover { color: var(--nova-white); }
.nova-dash-tab.active { color: var(--nova-orange); border-bottom-color: var(--nova-orange); }

.nova-dash-tab-panel { display: none; }
.nova-dash-tab-panel.active { display: block; }

/* Empty state */
.nova-dash-empty {
  text-align: center;
  padding: 60px 20px;
  background: var(--nova-black-2);
  border: 1px solid var(--nova-black-4);
  border-radius: var(--nova-radius-lg);
}
.nova-dash-empty-icon { font-size: 4rem; margin-bottom: 16px; }
.nova-dash-empty h3 { font-size: 1.3rem; margin-bottom: 8px; }
.nova-dash-empty p { color: var(--nova-gray); margin-bottom: 24px; }

/* Courses Grid */
.nova-dash-courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.nova-dash-course-card {
  background: var(--nova-black-2);
  border: 1px solid var(--nova-black-4);
  border-radius: var(--nova-radius-lg);
  overflow: hidden;
  transition: var(--nova-transition);
}
.nova-dash-course-card:hover { border-color: var(--nova-orange); transform: translateY(-4px); box-shadow: var(--nova-shadow-o); }
.nova-dash-course-thumb { position: relative; aspect-ratio: 16/9; overflow: hidden; }
.nova-dash-course-thumb img { width: 100%; height: 100%; object-fit: cover; }
.nova-dash-course-level {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--nova-orange);
  color: #fff;
  font-size: .7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 50px;
}
.nova-dash-course-body { padding: 18px; }
.nova-dash-course-body h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
.nova-dash-course-body h3 a { color: var(--nova-white); text-decoration: none; }
.nova-dash-course-body h3 a:hover { color: var(--nova-orange); }

.nova-dash-status-badge {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 50px;
  margin-bottom: 12px;
  background: var(--nova-black-4);
  color: var(--nova-gray);
}
.nova-dash-status-badge.active { background: rgba(255,107,0,.15); color: var(--nova-orange); }
.nova-dash-status-badge.done { background: rgba(34,197,94,.15); color: #4ade80; }

/* Progress bars in dashboard */
.nova-dash-progress-wrap { margin-bottom: 12px; }
.nova-dash-progress-label {
  display: flex;
  justify-content: space-between;
  font-size: .75rem;
  color: var(--nova-gray);
  margin-bottom: 5px;
}
.nova-dash-progress-bar {
  background: var(--nova-black-4);
  border-radius: 50px;
  height: 6px;
  overflow: hidden;
}
.nova-dash-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--nova-orange), var(--nova-orange-2));
  border-radius: 50px;
  transition: width .4s ease;
}

/* Mini session bars */
.nova-dash-sessions { margin-bottom: 16px; display: flex; flex-direction: column; gap: 7px; }
.nova-dash-session-row { display: flex; align-items: center; gap: 8px; }
.nova-dash-session-label { font-size: .75rem; color: var(--nova-gray); width: 90px; flex-shrink: 0; }
.nova-dash-mini-bar { flex: 1; background: var(--nova-black-4); border-radius: 50px; height: 4px; overflow: hidden; }
.nova-dash-mini-fill { height: 100%; border-radius: 50px; transition: width .4s ease; }
.nova-dash-mini-fill.ws { background: #60A5FA; }
.nova-dash-mini-fill.ue { background: var(--nova-orange); }
.nova-dash-mini-pct { font-size: .72rem; color: var(--nova-gray-2); width: 32px; text-align: end; }

/* Profile */
.nova-profile-card {
  background: var(--nova-black-2);
  border: 1px solid var(--nova-black-4);
  border-radius: var(--nova-radius-lg);
  padding: 32px;
  max-width: 640px;
}
.nova-profile-card h2 { font-size: 1.3rem; font-weight: 800; margin-bottom: 24px; }
.nova-profile-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 28px; }
.nova-profile-field label { font-size: .78rem; color: var(--nova-gray); font-weight: 600; display: block; margin-bottom: 5px; }
.nova-profile-value {
  background: var(--nova-black-3);
  border: 1px solid var(--nova-black-4);
  border-radius: var(--nova-radius);
  padding: 10px 14px;
  font-size: .88rem;
  color: var(--nova-white);
}
.nova-profile-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* Responsive */
@media (max-width: 640px) {
  .nova-auth-box { padding: 30px 22px; }
  .nova-form-row { grid-template-columns: 1fr; }
  .nova-dash-stats { grid-template-columns: 1fr; }
  .nova-profile-grid { grid-template-columns: 1fr; }
  .nova-dash-header-inner { flex-direction: column; text-align: center; }
}

/* ── Lesson Sections (4-part layout) ────────────────────────────────────── */
.nova-lesson-header { margin-bottom: 28px; }
.nova-lesson-duration { color: var(--nova-gray-2); font-size: .85rem; margin-top: 6px; }

.nova-lesson-section {
  background: var(--nova-black-2);
  border: 1px solid var(--nova-black-4);
  border-radius: var(--nova-radius-lg);
  padding: 28px;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
}
.nova-lesson-section::before {
  content: '';
  position: absolute;
  inset-inline-start: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--nova-orange), var(--nova-orange-2));
  border-radius: 4px 0 0 4px;
}

/* Section label row */
.nova-section-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.nova-section-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--nova-orange);
  color: var(--nova-white);
  font-size: .75rem;
  font-weight: 800;
  flex-shrink: 0;
}
.nova-section-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--nova-white);
  letter-spacing: .02em;
}

/* PDF cards */
.nova-pdf-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}
.nova-pdf-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--nova-black-3);
  border: 1.5px solid var(--nova-black-4);
  border-radius: var(--nova-radius);
  padding: 16px 18px;
  transition: var(--nova-transition);
  cursor: pointer;
  text-decoration: none;
}
.nova-pdf-card:hover {
  border-color: var(--nova-orange);
  background: var(--nova-black-4);
  transform: translateY(-2px);
  box-shadow: var(--nova-shadow-o);
}
.nova-pdf-icon {
  color: var(--nova-orange);
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.nova-pdf-info { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.nova-pdf-label {
  font-size: .9rem;
  font-weight: 600;
  color: var(--nova-white);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.nova-pdf-action { font-size: .75rem; color: var(--nova-orange); font-weight: 600; }

/* Nav button blocks (Wortschatz + Übung) */
.nova-lesson-section--nav-btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  padding: 0;
  background: transparent;
  border: none;
}
.nova-lesson-section--nav-btns::before { display: none; }

.nova-nav-btn-block {
  background: var(--nova-black-2);
  border: 1px solid var(--nova-black-4);
  border-radius: var(--nova-radius-lg);
  padding: 24px;
  position: relative;
  overflow: hidden;
}
.nova-nav-btn-block::before {
  content: '';
  position: absolute;
  inset-inline-start: 0;
  top: 0; bottom: 0;
  width: 4px;
  border-radius: 4px 0 0 4px;
}
.nova-nav-btn-block--ws::before { background: #60A5FA; }
.nova-nav-btn-block--ue::before { background: var(--nova-orange); }

.nova-nav-btn-desc {
  font-size: .85rem;
  color: var(--nova-gray);
  margin-bottom: 16px;
  line-height: 1.5;
}

@media (max-width: 640px) {
  .nova-lesson-section--nav-btns { grid-template-columns: 1fr; }
  .nova-pdf-grid { grid-template-columns: 1fr; }
}

/* ── Course Section Headers (replaces tabs) ─────────────────── */
.nova-course-section-header {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--nova-black-2);
  border: 1px solid var(--nova-black-4);
  border-radius: var(--nova-radius);
  padding: 18px 22px;
  margin-bottom: 16px;
  border-inline-start: 4px solid var(--nova-orange);
}
.nova-course-section-header--uebung {
  border-inline-start-color: #818CF8;
}
.nova-course-section-header.locked {
  opacity: .55;
}
.nova-course-section-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
}
.nova-course-section-meta {
  flex: 1;
}
.nova-course-section-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--nova-white);
  margin: 0 0 3px;
}
.nova-course-section-count {
  font-size: .78rem;
  color: var(--nova-gray);
  font-weight: 500;
}
.nova-course-section-pct {
  font-size: .9rem;
  font-weight: 700;
  color: var(--nova-orange);
  background: var(--nova-orange-glow);
  padding: 4px 12px;
  border-radius: 50px;
  border: 1px solid rgba(255,107,0,.25);
  flex-shrink: 0;
}

/* Session panels always visible now (no tab toggling) */
.nova-session-panel { display: block !important; }

/* RTL / LTR overrides using dir attribute (not hardcoded) */
.nova-lms[dir="ltr"] .nova-lesson-row,
.nova-lms[dir="ltr"] .nova-lesson-item,
.nova-lms[dir="ltr"] .nova-lesson-info,
.nova-lms[dir="ltr"] .nova-lesson-resources,
.nova-lms[dir="ltr"] .nova-sidebar-lesson,
.nova-lms[dir="ltr"] .nova-lesson-actions,
.nova-lms[dir="ltr"] .nova-hero-inner,
.nova-lms[dir="ltr"] .nova-hero-content,
.nova-lms[dir="ltr"] .nova-hero-stats,
.nova-lms[dir="ltr"] .nova-outcomes-grid,
.nova-lms[dir="ltr"] .nova-course-section-header,
.nova-lms[dir="ltr"] .nova-purchase-card,
.nova-lms[dir="ltr"] .nova-purchase-includes,
.nova-lms[dir="ltr"] .nova-dash-header,
.nova-lms[dir="ltr"] .nova-auth-side-features,
.nova-lms[dir="ltr"] .nova-auth-form { text-align: left; }

.nova-lms[dir="rtl"] .nova-lesson-row,
.nova-lms[dir="rtl"] .nova-lesson-item,
.nova-lms[dir="rtl"] .nova-lesson-info,
.nova-lms[dir="rtl"] .nova-lesson-resources,
.nova-lms[dir="rtl"] .nova-sidebar-lesson,
.nova-lms[dir="rtl"] .nova-hero-content,
.nova-lms[dir="rtl"] .nova-course-section-header,
.nova-lms[dir="rtl"] .nova-auth-form { text-align: right; }

/* ── Course page: clean lesson list ────────────────────────── */
.nova-course-lessons-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.nova-course-lessons-header h2 { margin: 0; }
.nova-lessons-count {
  font-size: .82rem;
  color: var(--nova-gray);
  background: var(--nova-black-3);
  border: 1px solid var(--nova-black-4);
  border-radius: 50px;
  padding: 4px 14px;
}
.nova-overall-progress-label {
  display: flex;
  justify-content: space-between;
  font-size: .82rem;
  color: var(--nova-gray);
  margin-bottom: 8px;
}
.nova-lesson-row { border-radius: var(--nova-radius); overflow: hidden; }
.nova-lesson-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--nova-black-4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  font-weight: 700;
  color: var(--nova-gray);
  flex-shrink: 0;
}
.nova-lesson-row.completed .nova-lesson-num {
  background: rgba(34,197,94,.15);
  color: var(--nova-success);
}
.nova-lesson-check { color: var(--nova-success); font-weight: 700; font-size: 1rem; }
.nova-lesson-arrow { color: var(--nova-gray-2); font-size: .9rem; }
.nova-lesson-lock  { font-size: .85rem; opacity: .5; }

/* Sidebar flat lesson list */
.nova-sidebar-lessons { display: flex; flex-direction: column; gap: 2px; padding: 8px 0; }