/* ===== TEXAS HOLD'EM LEARNING CENTER ===== */

.lc-container {
  display: flex;
  gap: 32px;
  max-width: 1300px;
  margin: 0 auto;
  padding: 20px 24px 60px;
  align-items: flex-start;
}

/* ---- SIDEBAR ---- */
.lc-sidebar {
  width: 240px;
  flex-shrink: 0;
  position: sticky;
  top: 20px;
}

.lc-sidebar-header {
  font-size: 0.7rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

.lc-lesson-nav { display: flex; flex-direction: column; gap: 4px; }

.lc-lesson-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: var(--transition-fast);
}

.lc-lesson-link:hover {
  color: var(--text-primary);
  background: var(--bg-elevated);
  border-color: var(--border-subtle);
}

.lc-lesson-link.active {
  color: var(--accent-light);
  background: var(--bg-elevated);
  border-color: var(--accent-glow);
}

.lc-lesson-num {
  font-size: 0.7rem;
  color: var(--text-muted);
  flex-shrink: 0;
  font-weight: 700;
}

/* ---- MAIN CONTENT ---- */
.lc-main { flex: 1; max-width: 820px; min-width: 0; }

.lc-lesson { display: block; }
.lc-lesson.hidden { display: none; }

.lc-lesson-header { margin-bottom: 28px; }

.lc-lesson-tag {
  font-size: 0.7rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-light);
  display: block;
  margin-bottom: 8px;
}

.lc-lesson-header h1 { margin-bottom: 10px; }

.lc-lesson-intro {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.lc-lesson-content { display: flex; flex-direction: column; gap: 20px; }

/* ---- CONCEPT CARDS ---- */
.lc-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 22px;
}

.lc-card h3 {
  font-size: 1.1rem;
  color: var(--accent-light);
  margin-bottom: 10px;
}

.lc-card p { margin-bottom: 0; }
.lc-card p + p { margin-top: 10px; }

/* ---- COMPARISON TABLE ---- */
.lc-table {
  margin-top: 14px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.lc-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  padding: 10px 14px;
  font-size: 0.85rem;
  gap: 8px;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
}

.lc-row:last-child { border-bottom: none; }

.lc-row.header {
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-size: 0.7rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.lc-row.good { color: var(--success); }
.lc-row.ok { color: var(--warn); }
.lc-row.bad { color: var(--danger); }

/* ---- BETTING-ROUND FLOW ---- */
.lc-flow-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin: 14px 0;
}

.lc-flow-step {
  flex: 1;
  min-width: 100px;
  text-align: center;
  padding: 14px 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
}

.lc-flow-arrow { color: var(--text-muted); font-size: 1.2rem; }

/* ---- QUIZ ---- */
.lc-quiz-card {
  background: rgba(59, 130, 246, 0.06);
  border: 1px solid var(--accent-glow);
  border-radius: var(--radius-lg);
  padding: 22px;
}

.lc-quiz-card h3 { color: var(--accent-light); margin-bottom: 8px; }
.lc-quiz-card p { margin-bottom: 14px; }

.lc-quiz-options { display: flex; gap: 8px; flex-wrap: wrap; }

.lc-quiz-options button {
  width: auto;
  padding: 8px 16px;
  margin-top: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 500;
  min-height: 40px;
}

.lc-quiz-options button:hover:not(:disabled) {
  background: var(--bg-glass);
  transform: none;
  box-shadow: none;
}

.lc-quiz-options button.lc-correct {
  background: rgba(16, 185, 129, 0.25);
  border-color: var(--success);
  color: #a7f3d0;
}

.lc-quiz-options button.lc-wrong {
  background: rgba(239, 68, 68, 0.25);
  border-color: var(--danger);
  color: #fecaca;
}

.lc-quiz-result { margin-top: 12px; font-size: 0.9rem; min-height: 20px; }
.lc-quiz-result.lc-result-good { color: var(--success); }
.lc-quiz-result.lc-result-bad { color: var(--danger); }

/* ---- TOOL CALLOUT ---- */
.lc-tool-callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(16, 185, 129, 0.08));
  border: 1px solid var(--accent-glow);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
}

.lc-tool-callout p { margin-bottom: 0; color: var(--text-primary); }

.lc-tool-btn {
  width: auto;
  margin-top: 0;
  padding: 10px 22px;
  white-space: nowrap;
  min-height: 40px;
}

/* ---- READ MORE ---- */
.lc-readmore { font-size: 0.85rem; }

/* ---- FOOTER NAV ---- */
.lc-nav-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
}

.lc-prev-btn, .lc-next-btn {
  width: auto;
  margin-top: 0;
  padding: 10px 20px;
  background: transparent;
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  min-height: 40px;
}

.lc-prev-btn:hover:not(:disabled), .lc-next-btn:hover:not(:disabled) {
  background: var(--bg-elevated);
  transform: none;
  box-shadow: none;
}

.lc-progress { font-size: 0.8rem; color: var(--text-muted); letter-spacing: 1px; }

/* ---- CROSS-LINK BANNER ---- */
.lc-crosslink {
  margin-top: 40px;
  text-align: center;
  padding: 18px;
  border: 1px dashed var(--border-medium);
  border-radius: var(--radius-lg);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .lc-container { flex-direction: column; padding: 12px 12px 40px; }
  .lc-sidebar { width: 100%; position: static; }
  .lc-lesson-nav { flex-direction: row; flex-wrap: wrap; }
  .lc-row { grid-template-columns: 1.5fr 1fr 1fr; font-size: 0.78rem; }
}