/* ==========================================================================
   TEEROP Sub-Apps — OneG, Portfolio Builder, Courses (Cyber Theme)
   Extends theme.css — uses same CSS variables
   ========================================================================== */

/* ---- OneG: Hero & Languages ---- */
.hero-section,
.page-header,
.quiz-header-section {
  padding: calc(var(--header-h) + 3rem) 0 3rem;
  text-align: center;
  position: relative;
  background: linear-gradient(180deg, rgba(0, 255, 136, 0.08) 0%, transparent 100%);
  border-bottom: 1px solid var(--border);
}
.hero-section::before,
.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 255, 136, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 136, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.hero-content { max-width: 800px; margin: 0 auto; position: relative; z-index: 1; }
.hero-content h1,
.page-header h1,
.quiz-info h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  color: var(--text);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.hero-content h1 .highlight,
.hero-content .highlight { color: var(--neon); text-shadow: 0 0 20px var(--neon-glow); }
.hero-content p,
.page-header p,
.quiz-info p { color: var(--text-muted); font-size: clamp(1rem, 2vw, 1.1rem); }

.page-header .section-label,
.hero-section .section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--neon);
  border: 1px solid var(--border);
  padding: 0.35rem 1rem;
  border-radius: 999px;
  margin-bottom: 1rem;
  background: var(--neon-soft);
}
.page-header .section-label i,
.hero-section .section-label i { margin-right: 0.35rem; }

.hero-section .stats-grid,
.oneg-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.hero-section .stat-item,
.oneg-stat-item {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
}
.hero-section .stat-number,
.oneg-stat-num {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--neon);
  display: block;
  text-shadow: 0 0 12px var(--neon-glow);
}
.hero-section .stat-label,
.oneg-stat-lbl {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-top: 0.25rem;
  display: block;
}

.languages-section,
.levels-section,
.quiz-content-section,
.progress-section,
.leaderboard-section {
  padding: clamp(2rem, 5vw, 4rem) 0;
}
.section-header { text-align: center; margin-bottom: 2.5rem; }
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.section-header p { color: var(--text-muted); }

.languages-grid,
.levels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.language-card,
.level-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  position: relative;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
}
.language-card:hover,
.level-card:hover {
  border-color: var(--border-bright);
  box-shadow: var(--shadow-neon);
  transform: translateY(-4px);
}
.card-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--neon-soft);
  color: var(--neon);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border);
}
.language-icon,
.level-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: var(--neon);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  box-shadow: 0 0 15px var(--neon-soft);
}
.language-icon.emoji-icon {
  font-size: 2rem;
  line-height: 1;
}
.language-card h3,
.level-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}
.language-description,
.level-description { color: var(--text-muted); font-size: 0.9rem; flex: 1; margin-bottom: 1rem; }
.language-meta { margin-bottom: 1rem; }
.difficulty {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid var(--border);
}
.difficulty.beginner { background: rgba(0, 255, 136, 0.1); color: var(--neon); }
.difficulty.intermediate { background: rgba(255, 170, 0, 0.1); color: var(--warning); }
.difficulty.advanced { background: rgba(255, 68, 102, 0.1); color: var(--danger); }

/* OneG buttons — don't conflict with theme .btn */
.language-card .btn-primary,
.level-card .btn-primary,
.empty-state .btn-primary,
.oneg-btn-primary,
a.btn-primary:not(.btn) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.15), rgba(0, 204, 102, 0.08));
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-sm);
  color: var(--neon);
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition);
  margin-top: auto;
}
.language-card .btn-primary:hover,
.level-card .btn-primary:hover,
.oneg-btn-primary:hover,
a.btn-primary:not(.btn):hover {
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.3), rgba(0, 204, 102, 0.15));
  color: #fff;
  box-shadow: var(--shadow-neon);
  transform: translateY(-2px);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
  transition: color var(--transition);
}
.back-link:hover { color: var(--neon); }

.language-icon-large { font-size: 3rem; color: var(--neon); margin-bottom: 1rem; text-shadow: 0 0 20px var(--neon-glow); }

.level-number {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--neon);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.35rem;
}
.level-card.locked { opacity: 0.55; pointer-events: none; }
.lock-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 2rem;
}
.progress-bar-wrap {
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
  margin: 0.75rem 0;
}
.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--neon-dim), var(--neon));
  box-shadow: 0 0 8px var(--neon-glow);
  border-radius: 3px;
  transition: width 0.5s ease;
}

.quiz-header-section .section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--neon);
  border: 1px solid var(--border);
  padding: 0.35rem 1rem;
  border-radius: 999px;
  margin-bottom: 1rem;
  background: var(--neon-soft);
}
.quiz-header-section .section-label i { margin-right: 0.35rem; }

.info-badges { display: flex; justify-content: center; gap: 0.75rem; flex-wrap: wrap; }
.quiz-header-section .badge,
.info-badges .badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.875rem;
  background: var(--neon-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--neon);
  font-size: 0.8rem;
  font-weight: 600;
}
.quiz-card {
  max-width: 760px;
  margin: 0 auto;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 4vw, 2.25rem);
  box-shadow: var(--shadow-neon);
}
.progress-container { margin-bottom: 1.5rem; }
.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}
.question-text {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  line-height: 1.5;
}
.options-list { display: flex; flex-direction: column; gap: 0.75rem; }
.option-btn,
.quiz-option {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.15rem;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  cursor: pointer;
  transition: all var(--transition);
  text-align: left;
  font-family: var(--font-body);
  font-size: 0.95rem;
  width: 100%;
}
.option-btn:hover,
.quiz-option:hover { border-color: var(--neon); background: var(--neon-soft); }
.option-btn.selected,
.quiz-option.selected { border-color: var(--neon); background: rgba(0, 255, 136, 0.12); box-shadow: 0 0 15px var(--neon-soft); }
.option-btn.correct { border-color: var(--neon); background: rgba(0, 255, 136, 0.15); }
.option-btn.incorrect { border-color: var(--danger); background: rgba(255, 68, 102, 0.1); }
.quiz-actions { display: flex; gap: 1rem; margin-top: 1.5rem; flex-wrap: wrap; }
.quiz-nav-btn {
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}
.quiz-nav-btn:hover { border-color: var(--neon); color: var(--neon); }
.quiz-nav-btn.primary {
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.2), rgba(0, 204, 102, 0.1));
  border-color: var(--border-bright);
  color: var(--neon);
}
.quiz-nav-btn.primary:hover { box-shadow: var(--shadow-neon); color: #fff; }
.explanation-box {
  margin-top: 1.25rem;
  padding: 1rem;
  background: rgba(0, 255, 136, 0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.9rem;
}
.explanation-box strong { color: var(--neon); }

/* Leaderboard */
.leaderboard-table-wrap { overflow-x: auto; }
.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.leaderboard-table th,
.leaderboard-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.leaderboard-table th {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  color: var(--neon);
  background: rgba(0, 255, 136, 0.05);
}
.leaderboard-table tr:hover td { background: var(--neon-soft); }
.rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 0.85rem;
  border: 1px solid var(--border);
}
.rank-1 { background: rgba(255, 215, 0, 0.15); color: #ffd700; border-color: rgba(255, 215, 0, 0.4); }
.rank-2 { background: rgba(255, 192, 192, 0.15); color: #c0c0c0; }
.rank-3 { background: rgba(205, 127, 50, 0.15); color: #cd7f32; }

/* ---- OneG Leaderboard (custom layout) ---- */
.your-rank-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius);
  padding: clamp(1.25rem, 3vw, 1.75rem);
  margin-bottom: 2rem;
  box-shadow: var(--shadow-neon);
}
.your-rank-card .rank-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  width: auto;
  height: auto;
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--neon);
  background: var(--neon-soft);
  border: 1px solid var(--border);
  margin-bottom: 1rem;
}
.your-rank-card .rank-content {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2rem);
  flex-wrap: wrap;
}
.your-rank-card .rank-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--neon);
  text-shadow: 0 0 20px var(--neon-glow);
  line-height: 1;
}
.your-rank-card .user-details { flex: 1; min-width: 200px; }
.your-rank-card .user-name {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.65rem;
}
.your-rank-card .user-name i { color: var(--neon); }
.your-rank-card .user-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.your-rank-card .user-stats .stat {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.your-rank-card .user-stats .stat i { color: var(--neon); }

.leaderboard-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 2rem;
}
.leaderboard-card .leaderboard-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: rgba(0, 255, 136, 0.05);
}
.leaderboard-card .leaderboard-header i {
  color: var(--neon);
  font-size: 1.35rem;
}
.leaderboard-card .leaderboard-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0;
  color: var(--text);
}

.leaderboard-card .leaderboard-table .table-header,
.leaderboard-card .leaderboard-table .table-row {
  display: grid;
  grid-template-columns: 80px 1fr 100px 90px;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
}
.leaderboard-card .leaderboard-table .table-header {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--neon);
  background: rgba(0, 0, 0, 0.35);
  border-bottom: 1px solid var(--border);
}
.leaderboard-card .leaderboard-table .table-row {
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.leaderboard-card .leaderboard-table .table-row:last-child { border-bottom: none; }
.leaderboard-card .leaderboard-table .table-row:hover {
  background: var(--neon-soft);
}
.leaderboard-card .leaderboard-table .table-row.highlight {
  background: rgba(0, 255, 136, 0.08);
  border-left: 3px solid var(--neon);
}

.rank-medal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  border: 1px solid var(--border);
}
.rank-medal.gold {
  background: rgba(255, 215, 0, 0.15);
  color: #ffd700;
  border-color: rgba(255, 215, 0, 0.45);
  box-shadow: 0 0 16px rgba(255, 215, 0, 0.2);
}
.rank-medal.silver {
  background: rgba(192, 192, 192, 0.12);
  color: #c0c0c0;
  border-color: rgba(192, 192, 192, 0.35);
}
.rank-medal.bronze {
  background: rgba(205, 127, 50, 0.12);
  color: #cd7f32;
  border-color: rgba(205, 127, 50, 0.35);
}
.rank-number-plain {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 600;
}

.leaderboard-card .user-col {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
}
.leaderboard-card .user-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--neon-soft);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.leaderboard-card .avatar-initial {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--neon);
  font-weight: 700;
}
.leaderboard-card .user-col .user-name {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.champion-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(255, 215, 0, 0.15);
  color: #ffd700;
  border: 1px solid rgba(255, 215, 0, 0.35);
  flex-shrink: 0;
}
.points-value,
.levels-value {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--neon);
  font-weight: 600;
}

.leaderboard-card .no-data {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-muted);
}
.leaderboard-card .no-data i {
  font-size: 2.5rem;
  color: var(--neon);
  opacity: 0.5;
  margin-bottom: 1rem;
  display: block;
}
.leaderboard-card .no-data p { margin-bottom: 1.25rem; }

.leaderboard-footer {
  text-align: center;
  padding: 1.5rem 0 0.5rem;
}
.leaderboard-footer p {
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-size: 1rem;
}

.btn-small {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  background: var(--neon-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--neon);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  text-decoration: none;
  transition: var(--transition);
}
.btn-small:hover {
  border-color: var(--neon);
  box-shadow: var(--shadow-neon);
  color: #fff;
}

/* ---- OneG My Progress ---- */
.stats-section {
  padding: 0 0 clamp(2rem, 5vw, 3rem);
}
.stats-section .stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}
.stats-section .stat-card {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  transition: var(--transition);
}
.stats-section .stat-card:hover {
  border-color: var(--border-bright);
  box-shadow: var(--shadow-neon);
}
.stats-section .stat-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--neon-soft);
  border: 1px solid var(--border);
  color: var(--neon);
  font-size: 1.5rem;
  flex-shrink: 0;
  box-shadow: 0 0 15px var(--neon-soft);
}
.stats-section .stat-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.stats-section .stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-weight: 600;
}
.stats-section .stat-value {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  color: var(--neon);
  text-shadow: 0 0 12px var(--neon-glow);
  line-height: 1;
}

.completed-levels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}
.completed-levels-grid .level-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: var(--transition);
}
.completed-levels-grid .level-card:hover {
  border-color: var(--border-bright);
  box-shadow: var(--shadow-neon);
  transform: translateY(-3px);
}
.completed-levels-grid .level-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}
.completed-levels-grid .level-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--neon-soft);
  color: var(--neon);
  border: 1px solid var(--border);
}
.completed-levels-grid .level-badge i { font-size: 0.85rem; }
.completed-levels-grid .level-score {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border);
}
.completed-levels-grid .level-score.high-score {
  background: rgba(0, 255, 136, 0.12);
  color: var(--neon);
  border-color: var(--border-bright);
}
.completed-levels-grid .level-score.medium-score {
  background: rgba(255, 170, 0, 0.12);
  color: var(--warning);
  border-color: rgba(255, 170, 0, 0.35);
}
.completed-levels-grid .level-score.low-score {
  background: rgba(255, 68, 102, 0.1);
  color: var(--danger);
  border-color: rgba(255, 68, 102, 0.35);
}
.completed-levels-grid .level-card h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--text);
  margin-bottom: 0.25rem;
  text-transform: none;
  letter-spacing: 0;
}
.completed-levels-grid .level-number {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}
.completed-levels-grid .level-details {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
}
.completed-levels-grid .detail-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.completed-levels-grid .detail-item i { color: var(--neon); font-size: 0.8rem; }

.completed-levels-grid .level-progress { margin-bottom: 1rem; }
.completed-levels-grid .progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
  font-family: var(--font-heading);
  font-weight: 600;
}
.completed-levels-grid .progress-bar {
  height: 8px;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
}
.completed-levels-grid .progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--neon-dim), var(--neon));
  border-radius: 999px;
  box-shadow: 0 0 10px var(--neon-glow);
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.completed-levels-grid .btn-outline,
.level-card .btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  width: 100%;
  padding: 0.65rem 1rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
}
.completed-levels-grid .btn-outline:hover,
.level-card .btn-outline:hover {
  border-color: var(--neon);
  color: var(--neon);
  box-shadow: var(--shadow-neon);
}

@media (max-width: 768px) {
  .leaderboard-card .leaderboard-table .table-header { display: none; }
  .leaderboard-card .leaderboard-table .table-row {
    grid-template-columns: 56px 1fr;
    grid-template-rows: auto auto;
    padding: 1rem;
    gap: 0.5rem 0.75rem;
  }
  .leaderboard-card .leaderboard-table .rank-col { grid-row: 1 / 3; }
  .leaderboard-card .leaderboard-table .points-col::before {
    content: 'Points: ';
    color: var(--text-muted);
    font-size: 0.78rem;
  }
  .leaderboard-card .leaderboard-table .levels-col::before {
    content: 'Levels: ';
    color: var(--text-muted);
    font-size: 0.78rem;
  }
  .leaderboard-card .leaderboard-table .points-col,
  .leaderboard-card .leaderboard-table .levels-col {
    font-size: 0.88rem;
  }
  .your-rank-card .rank-content { flex-direction: column; align-items: flex-start; }
}

/* OneG Profile / Progress */
.oneg-profile-header,
.progress-summary {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
}
.progress-item,
.activity-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
}

.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  grid-column: 1 / -1;
  background: var(--bg-glass);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}
.empty-state i { font-size: 2.5rem; color: var(--neon); margin-bottom: 1rem; display: block; opacity: 0.6; }
.empty-state h3 { font-family: var(--font-heading); margin-bottom: 0.5rem; }
.empty-state p { color: var(--text-muted); margin-bottom: 1.25rem; }

/* OneG Admin */
.admin-dashboard,
.oneg-admin-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: calc(var(--header-h) + 2rem) 1.5rem 3rem;
}
.dashboard-header { text-align: center; margin-bottom: 2.5rem; }
.dashboard-header h1 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text);
}
.dashboard-header p { color: var(--text-muted); }
.admin-dashboard .stats-grid,
.oneg-admin-wrap .stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.admin-dashboard .stat-card,
.oneg-admin-stat {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all var(--transition);
}
.admin-dashboard .stat-card:hover { border-color: var(--neon); box-shadow: var(--shadow-neon); transform: translateY(-3px); }
.admin-dashboard .stat-card h3,
.stat-card .stat-value { font-family: var(--font-display); font-size: 1.75rem; color: var(--neon); }
.admin-dashboard .stat-card p { color: var(--text-muted); font-size: 0.85rem; }
.actions-grid,
.admin-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}
.action-card,
.admin-action-card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-decoration: none;
  color: var(--text);
  transition: all var(--transition);
  display: block;
}
.action-card:hover,
.admin-action-card:hover {
  border-color: var(--neon);
  box-shadow: var(--shadow-neon);
  transform: translateY(-3px);
  color: var(--neon);
}
.action-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.action-link { color: var(--neon); font-size: 0.85rem; margin-top: 0.5rem; display: inline-block; }

.admin-table-wrap { overflow-x: auto; margin-top: 1.5rem; }
.admin-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.admin-table th, .admin-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  color: var(--text);
}
.admin-table th {
  font-family: var(--font-heading);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--neon);
  background: rgba(0, 255, 136, 0.05);
}
.admin-form-card {
  max-width: 700px;
  margin: calc(var(--header-h) + 2rem) auto 3rem;
  padding: 0 1.5rem;
}
.admin-form-card .form-card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}
.admin-form-card label { display: block; font-family: var(--font-heading); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 0.4rem; }
.admin-form-card input,
.admin-form-card select,
.admin-form-card textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  margin-bottom: 1rem;
  font-family: var(--font-body);
}
.admin-form-card input:focus,
.admin-form-card select:focus,
.admin-form-card textarea:focus {
  outline: none;
  border-color: var(--neon);
  box-shadow: 0 0 0 3px var(--neon-soft);
}
.admin-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.2), rgba(0, 204, 102, 0.1));
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-sm);
  color: var(--neon);
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.85rem;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
}
.admin-btn:hover { box-shadow: var(--shadow-neon); color: #fff; }
.admin-btn-danger { border-color: rgba(255, 68, 102, 0.4); color: var(--danger); background: rgba(255, 68, 102, 0.08); }

/* ---- Portfolio Builder ---- */
.pb-page { padding-bottom: 3rem; }
.pb-hero {
  padding: calc(var(--header-h) + 3rem) 0 3rem;
  text-align: center;
}
.pb-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: linear-gradient(135deg, #fff, var(--neon));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}
.pb-hero p { color: var(--text-muted); font-size: clamp(1rem, 2vw, 1.2rem); max-width: 640px; margin: 0 auto 1.5rem; }
.pb-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: var(--neon-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--neon);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}
.pb-hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-top: 1.5rem; }

.pb-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.25rem;
  margin: 0;
}
.pb-stat-card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  transition: all var(--transition);
}
.pb-stat-card:hover { border-color: var(--neon); box-shadow: var(--shadow-neon); }
.pb-stat-card .stat-number { font-family: var(--font-display); font-size: 2rem; color: var(--neon); }
.pb-stat-card .stat-label { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); margin-top: 0.25rem; }

.pb-section { padding: clamp(2rem, 5vw, 4rem) 0; }
.pb-section-title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-align: center;
  margin-bottom: 2rem;
}
.steps-grid,
.templates-grid,
.pb-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.step-card,
.template-card,
.pb-feature-card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  text-align: center;
  transition: all var(--transition);
}
.step-card:hover,
.template-card:hover,
.pb-feature-card:hover {
  border-color: var(--border-bright);
  box-shadow: var(--shadow-neon);
  transform: translateY(-4px);
}
.step-icon,
.template-preview {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--neon);
  font-size: 1.5rem;
  box-shadow: 0 0 15px var(--neon-soft);
}
.template-preview { width: 100%; height: 130px; border-radius: 0; margin-bottom: 0; background: rgba(0, 255, 136, 0.04); }
.step-card h3, .step-card h4, .template-card h4, .pb-feature-card h3 {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}
.step-card p, .template-card p, .pb-feature-card p { color: var(--text-muted); font-size: 0.9rem; }
.pb-feature-card i { font-size: 1.75rem; color: var(--neon); margin-bottom: 0.75rem; display: block; }

.pb-cta {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(2rem, 5vw, 3.5rem);
  text-align: center;
  box-shadow: var(--shadow-neon);
}
.pb-cta h2 { font-family: var(--font-display); font-size: clamp(1.4rem, 3vw, 2rem); margin-bottom: 0.75rem; text-transform: uppercase; }
.pb-cta p { color: var(--text-muted); margin-bottom: 1.5rem; }

/* Portfolio builder form */
.pb-builder-wrap { padding: calc(var(--header-h) + 1.5rem) 0 3rem; }
.main-container,
.pb-main-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 2rem);
}
.how-it-works h2,
.form-section-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--neon);
  margin-bottom: 1.25rem;
}
.main-container .step-card,
.how-it-works .step-card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  height: 100%;
  text-align: center;
}
.form-section,
.portfolio-section {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
}
.form-section h3,
.section-heading {
  font-family: var(--font-heading);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--neon);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}
.main-container .form-control,
.main-container .form-select,
.pb-main-container .form-control,
.pb-main-container .form-select,
.main-container input[type="text"],
.main-container input[type="email"],
.main-container input[type="url"],
.main-container textarea {
  background: rgba(0, 0, 0, 0.5) !important;
  border: 1px solid var(--border) !important;
  color: var(--text) !important;
  border-radius: var(--radius-sm) !important;
}
.main-container .form-control:focus,
.main-container .form-select:focus {
  border-color: var(--neon) !important;
  box-shadow: 0 0 0 3px var(--neon-soft) !important;
}
.main-container label,
.main-container .form-label { color: var(--text-muted) !important; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; }
.main-container .btn-primary,
.main-container .submit-btn {
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.25), rgba(0, 204, 102, 0.12)) !important;
  border: 1px solid var(--border-bright) !important;
  color: var(--neon) !important;
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.main-container .btn-primary:hover { box-shadow: var(--shadow-neon) !important; color: #fff !important; }
.main-container .btn-outline-secondary,
.main-container .btn-secondary {
  background: transparent !important;
  border: 1px solid var(--border) !important;
  color: var(--text-muted) !important;
}
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  z-index: 9999;
}
.loading-overlay.active { display: flex; }
.loading-spinner {
  width: 48px;
  height: 48px;
  border: 2px solid var(--border);
  border-top-color: var(--neon);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}
.loading-text { color: var(--neon); font-family: var(--font-mono); margin-top: 1rem; font-size: 0.85rem; letter-spacing: 0.1em; }

/* Designs page */
.designs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  padding: calc(var(--header-h) + 2rem) 0 3rem;
}
.design-card:not(.design-folder) {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  cursor: pointer;
}
.design-card:not(.design-folder):hover,
.design-card:not(.design-folder).selected { border-color: var(--neon); box-shadow: var(--shadow-neon); transform: translateY(-4px); }
.design-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; opacity: 0.85; }
.design-card-body { padding: 1.25rem; }
.design-card-body h4 { font-family: var(--font-heading); text-transform: uppercase; letter-spacing: 0.04em; }
.design-card-body p { color: var(--text-muted); font-size: 0.85rem; margin-top: 0.35rem; }

/* Portfolio admin */
.pb-admin-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: calc(var(--header-h) + 2rem) 1.5rem 3rem;
}
.pb-admin-card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}

/* ---- Courses ---- */
.content-area { padding: clamp(2rem, 5vw, 3rem) 0; }
.courses-container { max-width: 1200px; margin: 0 auto; }
.search-filter-container {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 2rem;
}
.filter-header h3 {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text);
  margin-bottom: 0.35rem;
}
.filter-header p { color: var(--text-muted); margin-bottom: 1rem; font-size: 0.9rem; }
.controls-container { display: flex; gap: 1rem; flex-wrap: wrap; align-items: stretch; }
.search-wrapper { flex: 1; min-width: 240px; display: flex; align-items: stretch; }
.search-form { width: 100%; }
.search-input-group {
  display: flex;
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: rgba(0, 0, 0, 0.4);
}
.search-input {
  flex: 1;
  border: none;
  padding: 0.75rem 1rem;
  background: transparent;
  color: var(--text);
  font-family: var(--font-body);
  outline: none;
}
.search-input::placeholder { color: var(--text-dim); }
.search-icon { display: flex; align-items: center; padding: 0 0.85rem; color: var(--text-dim); }
.search-button {
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.25), rgba(0, 204, 102, 0.12));
  border: none;
  border-left: 1px solid var(--border);
  color: var(--neon);
  padding: 0.75rem 1.25rem;
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition);
}
.search-button:hover { background: rgba(0, 255, 136, 0.25); color: #fff; }

/* styled-select base — full dropdown UI in pages.css */
.styled-select,
#categoryFilter {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
}
.active-filters-container {
  margin-top: 0.85rem;
  padding: 0.65rem 1rem;
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.filters-label { color: var(--text-muted); font-size: 0.85rem; }
.filter-tag {
  background: var(--neon-soft);
  color: var(--neon);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.2rem 0.8rem;
  font-size: 0.8rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.remove-filter { color: var(--text-dim); text-decoration: none; }
.remove-filter:hover { color: var(--danger); }
.clear-all-filters { color: var(--danger); font-size: 0.8rem; text-decoration: none; margin-left: auto; }
.category-chips { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.5rem; }
.category-chip {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  font-size: 0.8rem;
  text-decoration: none;
  transition: all var(--transition);
}
.category-chip:hover,
.category-chip.active { background: var(--neon-soft); color: var(--neon); border-color: var(--neon); }

.courses-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; flex-wrap: wrap; gap: 0.5rem; }
.courses-header h3 { font-family: var(--font-heading); color: var(--text); margin: 0; }
.view-toggle-container, .view-toggle { display: flex; gap: 0.4rem; }
.view-btn, .view-toggle {
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.85rem;
  transition: all var(--transition);
}
.view-btn.active, .view-btn:hover, .view-toggle.active, .view-toggle:hover {
  background: var(--neon-soft);
  color: var(--neon);
  border-color: var(--neon);
}

.courses-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}
.course-card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}
.course-card:hover { border-color: var(--neon); box-shadow: var(--shadow-neon); transform: translateY(-4px); }
.course-image { width: 100%; aspect-ratio: 16/9; object-fit: cover; opacity: 0.9; }
.course-card-body { padding: 1.25rem; }
.course-card-body h3 { font-family: var(--font-heading); font-size: 1rem; margin-bottom: 0.35rem; }
.course-category {
  display: inline-block;
  background: var(--neon-soft);
  color: var(--neon);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--border);
}
.course-meta { display: flex; gap: 0.85rem; flex-wrap: wrap; font-size: 0.8rem; color: var(--text-muted); margin: 0.5rem 0; }
.course-instructor { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 0.75rem; }
.course-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.btn-view-course,
.enroll-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  border: 1px solid var(--border);
  font-family: var(--font-heading);
}
.btn-view-course { background: transparent; color: var(--text-muted); }
.btn-view-course:hover { border-color: var(--neon); color: var(--neon); }
.enroll-btn { background: var(--neon-soft); color: var(--neon); border-color: var(--border-bright); }
.enroll-btn:hover { box-shadow: var(--shadow-neon); color: #fff; }

.courses-list { display: flex; flex-direction: column; gap: 1rem; }
.list-item {
  display: flex;
  gap: 1rem;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}
.list-item:hover { border-color: var(--neon); box-shadow: var(--shadow-neon); }
.list-item-image { width: 120px; flex-shrink: 0; object-fit: cover; }
.list-item-content { flex: 1; padding: 1rem; }
.list-item-title-row h3 { font-family: var(--font-heading); font-size: 0.95rem; color: var(--text); margin: 0; }
.list-item-meta { display: flex; gap: 0.8rem; font-size: 0.8rem; color: var(--text-muted); margin: 0.35rem 0; }
.list-item-instructor { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 0.5rem; }
.list-item-footer { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.no-courses-found { text-align: center; padding: 4rem 1rem; color: var(--text-muted); }
.no-courses-found i { font-size: 3rem; color: var(--border); margin-bottom: 1rem; display: block; }
.no-courses-found h3 { color: var(--text); margin-bottom: 0.5rem; }

@media (max-width: 1024px) {
  .controls-container { flex-direction: column; }
  .search-wrapper { width: 100%; min-width: 0; }
  .filter-wrapper { width: 100%; flex: 1 1 100%; min-width: 0; }
}

@media (max-width: 768px) {
  .levels-grid { grid-template-columns: 1fr; }
  .list-item { flex-direction: column; }
  .list-item-image { width: 100%; height: 160px; }
}

/* Quill editor — dark theme in builder */
.ql-toolbar.ql-snow, .ql-container.ql-snow {
  border-color: var(--border) !important;
  background: rgba(0,0,0,0.4) !important;
  color: var(--text) !important;
}
.ql-snow .ql-stroke { stroke: var(--text-muted) !important; }
.ql-snow .ql-fill { fill: var(--text-muted) !important; }
.ql-snow .ql-picker { color: var(--text-muted) !important; }
.ql-editor { color: var(--text) !important; min-height: 120px; }