body { background: var(--dark); color: var(--text); font-family: 'Inter', sans-serif; margin: 0; }

.alms-layout { display: flex; margin-top: 64px; min-height: calc(100vh - 64px); }

/* SIDEBAR */
.alms-sidebar {
  width: 280px;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--card-border);
  position: fixed;
  top: 64px; bottom: 0;
  overflow-y: auto;
  padding: 24px 16px;
}
.alms-sidebar::-webkit-scrollbar { width: 4px; }
.alms-sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }

.alms-sidebar-title {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 20px;
  padding: 0 8px;
}

.category-filter { margin-bottom: 24px; }
.category-filter label { display: block; font-size: 0.75rem; font-weight: 600; color: var(--muted); margin-bottom: 8px; padding: 0 8px; }
.category-buttons { display: flex; flex-direction: column; gap: 6px; }
.cat-btn {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--card-border);
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-align: left;
}
.cat-btn:hover { background: rgba(255,255,255,0.08); color: var(--text); }
.cat-btn.active { background: rgba(124,58,237,0.25); border-color: rgba(124,58,237,0.5); color: var(--white); font-weight: 600; }

.course-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-bottom: 20px;
  max-height: 400px;
  overflow-y: auto;
  padding: 0 2px;
}

.course-card-item {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 12px;
  cursor: pointer;
  transition: all 0.2s;
}
.course-card-item:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(124,58,237,0.5);
  transform: translateX(4px);
}
.course-card-item.active {
  background: rgba(124,58,237,0.2);
  border-color: rgba(124,58,237,0.6);
  color: var(--white);
}
.course-card-item h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 4px 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.course-card-item p {
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.course-selector { margin-bottom: 24px; }
.course-selector label { display: block; font-size: 0.75rem; font-weight: 600; color: var(--muted); margin-bottom: 6px; padding: 0 8px; }
.course-selector select {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 9px 12px;
  color: var(--white);
  font-size: 0.85rem;
  outline: none;
  margin-bottom: 10px;
}

.course-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.btn-add-course {
  width: 100%;
  background: var(--gradient);
  color: white;
  border: none;
  padding: 9px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s;
}
.btn-add-course:hover { opacity: 0.88; }

.btn-save-course {
  width: 100%;
  background: rgba(16,185,129,0.2);
  border: 1px solid rgba(16,185,129,0.5);
  color: #10b981;
  padding: 9px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-save-course:hover {
  background: rgba(16,185,129,0.3);
  border-color: rgba(16,185,129,0.7);
}

.alms-nav { display: flex; flex-direction: column; gap: 4px; }
.alms-nav-item {
  display: block;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  transition: all 0.2s;
}
.alms-nav-item:hover { background: rgba(255,255,255,0.05); color: var(--text); }
.alms-nav-item.active { background: rgba(124,58,237,0.18); color: var(--white); font-weight: 600; }

/* MAIN */
.alms-main {
  margin-left: 280px;
  flex: 1;
  padding: 32px 40px;
  max-width: 1100px;
}

.no-course {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 20px;
}
.no-course-icon { font-size: 4rem; margin-bottom: 16px; }
.no-course h2 { font-size: 1.4rem; font-weight: 800; color: var(--white); margin-bottom: 8px; }
.no-course p { font-size: 0.9rem; color: var(--muted); margin-bottom: 24px; }

.alms-tab { display: none; }

.tab-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.tab-header h2 { font-size: 1.4rem; font-weight: 800; color: var(--white); }

.btn-add {
  background: var(--gradient);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 9px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s;
}
.btn-add:hover { opacity: 0.88; }

/* FORMS */
.form-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
}
.form-card h3 { font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: 18px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.form-group label { font-size: 0.78rem; font-weight: 600; color: var(--muted); }
.form-group input, .form-group select, .form-group textarea {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 9px 12px;
  color: var(--white);
  font-size: 0.85rem;
  outline: none;
  font-family: inherit;
  transition: border-color 0.2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--primary-light); }
.form-group textarea { min-height: 80px; resize: vertical; }

.form-actions { display: flex; gap: 10px; margin-top: 8px; }
.btn-save {
  background: var(--gradient);
  color: white;
  border: none;
  padding: 10px 22px;
  border-radius: 9px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s;
}
.btn-save:hover { opacity: 0.88; }

.btn-cancel {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--card-border);
  color: var(--text);
  padding: 10px 22px;
  border-radius: 9px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-cancel:hover { background: rgba(255,255,255,0.1); }

/* TOPICS */
.topic-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  margin-bottom: 20px;
  overflow: hidden;
}
.topic-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.topic-info { display: flex; align-items: center; gap: 12px; }
.topic-order {
  background: rgba(124,58,237,0.2);
  color: var(--primary-light);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 50px;
}
.topic-info h3 { font-size: 1rem; font-weight: 700; color: var(--white); }
.lesson-count { font-size: 0.75rem; color: var(--muted); }

.topic-actions { display: flex; gap: 8px; }
.btn-add-lesson {
  background: rgba(16,185,129,0.15);
  border: 1px solid rgba(16,185,129,0.3);
  color: #10b981;
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-add-lesson:hover { background: rgba(16,185,129,0.25); }

.btn-del, .btn-del-sm {
  background: rgba(239,68,68,0.15);
  border: 1px solid rgba(239,68,68,0.3);
  color: #ef4444;
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-del:hover, .btn-del-sm:hover { background: rgba(239,68,68,0.25); }
.btn-del-sm { padding: 4px 8px; font-size: 0.7rem; }

.lessons-list { padding: 16px 24px; }
.lesson-row {
  display: grid;
  grid-template-columns: 36px 36px 1fr 90px 34px 34px 34px;
  gap: 12px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 0.85rem;
}
.lesson-row:last-child { border-bottom: none; }
.lesson-num { color: var(--muted); font-weight: 600; }
.lesson-type-icon { font-size: 1rem; }
.lesson-name { color: var(--text); }
.lesson-dur { color: var(--muted); font-size: 0.78rem; }
.no-lessons { padding: 20px; text-align: center; color: var(--muted); font-size: 0.85rem; }

/* CONTENT CARDS */
.content-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 16px;
}
.content-card-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; }
.content-card-header h3 { font-size: 1rem; font-weight: 700; color: var(--white); margin: 8px 0 6px; }
.content-card-header p { font-size: 0.85rem; color: var(--muted); margin: 4px 0; }

.content-type-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 50px;
  margin-bottom: 6px;
}
.assign-badge { background: rgba(245,158,11,0.15); color: #f59e0b; }
.quiz-badge { background: rgba(124,58,237,0.15); color: var(--primary-light); }
.project-badge { background: rgba(16,185,129,0.15); color: #10b981; }
.resource-badge { background: rgba(59,130,246,0.15); color: #3b82f6; }

.diff-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 50px;
  margin-left: 8px;
}
.diff-beginner { background: rgba(16,185,129,0.15); color: #10b981; }
.diff-intermediate { background: rgba(245,158,11,0.15); color: #f59e0b; }
.diff-advanced { background: rgba(239,68,68,0.15); color: #ef4444; }

.content-meta { display: flex; flex-direction: column; gap: 8px; align-items: flex-end; font-size: 0.8rem; color: var(--muted); }

.btn-view {
  background: rgba(59,130,246,0.15);
  border: 1px solid rgba(59,130,246,0.3);
  color: #3b82f6;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-view:hover { background: rgba(59,130,246,0.25); }

.stack-info { font-size: 0.8rem; color: var(--primary-light); margin-top: 6px; }
.resource-link { font-size: 0.8rem; color: #3b82f6; text-decoration: underline; }

.empty-card { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 40px; text-align: center; color: var(--muted); font-size: 0.9rem; }

/* QUIZ QUESTIONS */
.question-block {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 16px;
}
.options-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 12px; }
.btn-ghost-add {
  background: none;
  border: 1px dashed var(--card-border);
  color: var(--muted);
  padding: 10px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  margin-bottom: 16px;
  width: 100%;
  transition: all 0.2s;
}
.btn-ghost-add:hover { border-color: var(--primary-light); color: var(--primary-light); }

/* ===== AI GENERATE BUTTON ===== */
.btn-ai-gen {
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 9px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
}
.btn-ai-gen:hover { opacity: 0.88; }

/* ===== AI MODAL ===== */
.ai-modal-box {
  max-width: 680px !important;
  max-height: 85vh;
  overflow-y: auto;
}
.ai-modal-box::-webkit-scrollbar { width: 4px; }
.ai-modal-box::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }

/* Loading state */
.ai-generating {
  text-align: center;
  padding: 40px 20px;
}
.ai-spinner {
  width: 56px; height: 56px;
  border: 4px solid rgba(124,58,237,0.2);
  border-top-color: #7c3aed;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 24px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.ai-generating h2 { font-size: 1.3rem; font-weight: 800; color: var(--white); margin-bottom: 8px; }
.ai-generating p { font-size: 0.85rem; color: var(--muted); margin-bottom: 28px; }

.ai-steps { display: flex; flex-direction: column; gap: 10px; text-align: left; max-width: 320px; margin: 0 auto; }
.ai-step {
  padding: 10px 16px;
  border-radius: 9px;
  font-size: 0.82rem;
  color: var(--muted);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--card-border);
  transition: all 0.3s;
}
.ai-step.active {
  background: rgba(124,58,237,0.15);
  border-color: rgba(124,58,237,0.4);
  color: var(--primary-light);
  font-weight: 600;
}
.ai-step.done {
  background: rgba(16,185,129,0.1);
  border-color: rgba(16,185,129,0.3);
  color: #10b981;
}
.ai-step.done::before { content: '✅ '; }

/* Preview state */
.ai-preview-header { text-align: center; margin-bottom: 28px; }
.ai-preview-icon { font-size: 2.5rem; margin-bottom: 10px; }
.ai-preview-header h2 { font-size: 1.3rem; font-weight: 800; color: var(--white); margin-bottom: 6px; }
.ai-preview-header p { font-size: 0.85rem; color: var(--muted); }

.ai-preview-section {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 14px;
}
.ai-preview-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--primary-light);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 12px;
}
.ai-preview-topic { margin-bottom: 12px; }
.ai-preview-topic-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}
.ai-preview-lessons { display: flex; flex-wrap: wrap; gap: 6px; }
.ai-lesson-chip {
  background: rgba(124,58,237,0.12);
  border: 1px solid rgba(124,58,237,0.2);
  color: var(--text);
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 50px;
}
.ai-lesson-chip em { color: var(--muted); font-style: normal; margin-left: 4px; }

.ai-preview-item {
  font-size: 0.83rem;
  color: var(--text);
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  line-height: 1.6;
}
.ai-preview-item:last-child { border-bottom: none; }
.ai-preview-item small { color: var(--muted); }

.ai-preview-actions { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }
.btn-regenerate {
  background: rgba(245,158,11,0.15);
  border: 1px solid rgba(245,158,11,0.3);
  color: #f59e0b;
  padding: 10px 20px;
  border-radius: 9px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-regenerate:hover { background: rgba(245,158,11,0.25); }

/* ===== SAVE BUTTON ===== */
.btn-save-course {
  width: 100%;
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  border: none;
  padding: 10px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  margin-top: 8px;
  transition: opacity 0.2s, transform 0.1s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.btn-save-course:hover { opacity: 0.88; }
.btn-save-course:active { transform: scale(0.97); }

/* ===== TOAST ===== */
.save-toast {
  position: fixed;
  bottom: 32px;
  right: 32px;
  background: #1a1a2e;
  border: 1px solid rgba(16,185,129,0.4);
  border-left: 4px solid #10b981;
  border-radius: 12px;
  padding: 16px 20px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  min-width: 300px;
  max-width: 420px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.34,1.56,0.64,1), opacity 0.3s;
}
.save-toast.show { transform: translateY(0); opacity: 1; }

.toast-icon { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }
.save-toast strong { display: block; font-size: 0.92rem; color: #10b981; font-weight: 700; margin-bottom: 3px; }
.save-toast p { font-size: 0.8rem; color: var(--muted); margin: 0; line-height: 1.4; }

/* ===== SUBCATEGORY FILTER CHIPS ===== */
.subcat-filter {
  margin-bottom: 18px;
}
.subcat-filter label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
  padding: 0 4px;
}
.subcat-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.subcat-chip {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--card-border);
  color: var(--muted);
  padding: 5px 12px;
  border-radius: 50px;
  font-size: 0.76rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s;
  white-space: nowrap;
}
.subcat-chip:hover {
  background: rgba(255,255,255,0.09);
  color: var(--text);
  border-color: rgba(124,58,237,0.4);
}
.subcat-chip.active {
  background: rgba(124,58,237,0.22);
  border-color: rgba(124,58,237,0.55);
  color: var(--white);
  font-weight: 700;
}

/* ===== UPDATED COURSE CARD ITEMS ===== */
.no-courses-msg {
  padding: 20px;
  text-align: center;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.course-card-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 12px 14px;
  cursor: pointer;
  transition: all 0.18s;
}
.course-card-item:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(124,58,237,0.45);
  transform: translateX(3px);
}
.course-card-item.active {
  background: rgba(124,58,237,0.18);
  border-color: rgba(124,58,237,0.6);
}

.course-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 6px;
  margin-bottom: 7px;
}
.course-card-top h4 {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--white);
  margin: 0;
  line-height: 1.35;
}
.lms-dot {
  color: #10b981;
  font-size: 0.65rem;
  flex-shrink: 0;
  margin-top: 3px;
  opacity: 0.85;
}

.course-card-meta {
  display: flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
}
.course-tag-chip {
  background: rgba(124,58,237,0.14);
  color: var(--primary-light);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 50px;
  border: 1px solid rgba(124,58,237,0.25);
  white-space: nowrap;
}
.course-dur {
  font-size: 0.7rem;
  color: var(--muted);
}

/* ===== TAB HEADER ACTIONS (AI Generate + Add Topic side by side) ===== */
.tab-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-ai-tab {
  background: linear-gradient(135deg, #7c3aed, #2563eb);
  color: white;
  border: none;
  padding: 9px 18px;
  border-radius: 9px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.btn-ai-tab:hover { opacity: 0.88; transform: translateY(-1px); }
.btn-ai-tab:active { transform: scale(0.97); }

/* ===================================================
   AI PROMPT MODAL
   =================================================== */
.ai-prompt-box {
  max-width: 560px !important;
}
.ai-prompt-header {
  text-align: center;
  margin-bottom: 24px;
}
.ai-prompt-icon {
  font-size: 2.4rem;
  margin-bottom: 8px;
}
.ai-prompt-header h2 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 4px;
}
.ai-prompt-course-name {
  font-size: 0.82rem;
  color: var(--primary-light);
  font-weight: 600;
  margin: 0;
}

.api-key-row {
  display: flex;
  gap: 8px;
  align-items: center;
}
.api-key-row input {
  flex: 1;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 9px 12px;
  color: var(--white);
  font-size: 0.85rem;
  outline: none;
  font-family: monospace;
  transition: border-color 0.2s;
}
.api-key-row input:focus { border-color: var(--primary-light); }
.btn-eye {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--card-border);
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background 0.2s;
}
.btn-eye:hover { background: rgba(255,255,255,0.12); }

.field-hint {
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 5px;
  display: block;
  line-height: 1.5;
}
.field-hint a { color: var(--primary-light); }

#aiPromptText {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--white);
  font-size: 0.85rem;
  font-family: inherit;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
  line-height: 1.6;
}
#aiPromptText:focus { border-color: var(--primary-light); }

.prompt-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 10px;
}
.prompt-chip {
  background: rgba(124,58,237,0.1);
  border: 1px solid rgba(124,58,237,0.25);
  color: var(--primary-light);
  padding: 5px 12px;
  border-radius: 50px;
  font-size: 0.74rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s;
}
.prompt-chip:hover {
  background: rgba(124,58,237,0.22);
  border-color: rgba(124,58,237,0.5);
}

/* ===================================================
   AI MODULES MODAL
   =================================================== */
.ai-modules-box {
  max-width: 720px !important;
  max-height: 88vh;
  overflow-y: auto;
}
.ai-modules-box::-webkit-scrollbar { width: 4px; }
.ai-modules-box::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }

.ai-modules-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.ai-modules-header h2 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--white);
  margin: 0 0 4px;
}
.ai-modules-header-actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

/* Module card */
.ai-module-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 20px 22px;
  margin-bottom: 14px;
  transition: border-color 0.2s;
}
.ai-module-card:hover { border-color: rgba(124,58,237,0.35); }

.ai-module-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.ai-module-order {
  background: rgba(124,58,237,0.2);
  color: var(--primary-light);
  font-size: 0.7rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.ai-module-dur {
  font-size: 0.75rem;
  color: var(--muted);
}
.ai-module-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 6px;
}
.ai-module-desc {
  font-size: 0.83rem;
  color: var(--muted);
  line-height: 1.6;
  margin: 0 0 12px;
}

.ai-module-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}
.ai-highlight-chip {
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.2);
  color: #10b981;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 50px;
}

/* Lessons area inside module card */
.ai-lessons-area {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 14px;
  margin-top: 4px;
}

.btn-gen-lessons {
  background: linear-gradient(135deg, #7c3aed, #2563eb);
  color: white;
  border: none;
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s;
}
.btn-gen-lessons:hover { opacity: 0.88; transform: translateY(-1px); }

.btn-regen-lessons {
  background: rgba(245,158,11,0.12);
  border: 1px solid rgba(245,158,11,0.3);
  color: #f59e0b;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  margin-top: 10px;
  transition: background 0.2s;
}
.btn-regen-lessons:hover { background: rgba(245,158,11,0.22); }

.ai-lessons-loading {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  color: var(--muted);
  font-size: 0.82rem;
}
.ai-spinner-sm {
  width: 18px; height: 18px;
  border: 2px solid rgba(124,58,237,0.25);
  border-top-color: #7c3aed;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

.ai-lessons-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 4px;
}
.ai-lesson-row {
  display: grid;
  grid-template-columns: 28px 28px 1fr 60px;
  gap: 10px;
  align-items: center;
  padding: 7px 4px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 0.82rem;
}
.ai-lesson-row:last-child { border-bottom: none; }
.ai-lesson-num { color: var(--muted); font-weight: 600; font-size: 0.75rem; }
.ai-lesson-type-icon { font-size: 0.95rem; }
.ai-lesson-name { color: var(--text); }
.ai-lesson-dur { color: var(--muted); font-size: 0.72rem; text-align: right; }

.ai-lessons-error {
  font-size: 0.8rem;
  color: #ef4444;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
}

/* ===== AI Lessons button on topic card ===== */
.btn-ai-lessons {
  background: linear-gradient(135deg, #7c3aed, #2563eb);
  color: white;
  border: none;
  padding: 7px 13px;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s;
  white-space: nowrap;
}
.btn-ai-lessons:hover { opacity: 0.85; transform: translateY(-1px); }
.btn-ai-lessons:active { transform: scale(0.97); }

/* ===== AI Lessons inline preview inside topic card ===== */
.ai-inline-preview {
  border-top: 1px solid rgba(124,58,237,0.2);
  padding-top: 14px;
}
.ai-inline-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}
.ai-inline-badge {
  background: rgba(124,58,237,0.15);
  border: 1px solid rgba(124,58,237,0.3);
  color: var(--primary-light);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
}
.ai-inline-actions {
  display: flex;
  gap: 7px;
}
.btn-accept-lessons {
  background: rgba(16,185,129,0.15);
  border: 1px solid rgba(16,185,129,0.35);
  color: #10b981;
  padding: 5px 13px;
  border-radius: 7px;
  font-size: 0.76rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-accept-lessons:hover { background: rgba(16,185,129,0.28); }

.btn-discard-lessons {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.25);
  color: #ef4444;
  padding: 5px 11px;
  border-radius: 7px;
  font-size: 0.76rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-discard-lessons:hover { background: rgba(239,68,68,0.2); }

/* lesson row preview button */
.btn-preview-lesson {
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.25);
  color: #3b82f6;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.72rem;
  cursor: pointer;
  transition: background 0.2s;
  margin-right: 2px;
}
.btn-preview-lesson:hover { background: rgba(59,130,246,0.22); }

.btn-preview-lesson-sm {
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.25);
  color: #3b82f6;
  padding: 2px 7px;
  border-radius: 6px;
  font-size: 0.7rem;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-preview-lesson-sm:hover { background: rgba(59,130,246,0.22); }

/* lesson preview button */

/* ===== Lesson Preview Modal ===== */
.lesson-preview-card {
  padding: 8px 0 16px;
}
.lesson-preview-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.lesson-preview-type {
  background: rgba(124,58,237,0.15);
  color: var(--primary-light);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
}
.lesson-preview-dur {
  font-size: 0.78rem;
  color: var(--muted);
}
.lesson-preview-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--white);
  margin: 0 0 12px;
  line-height: 1.4;
}
.lesson-preview-content {
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.7;
  margin: 0 0 16px;
  padding: 14px 16px;
  background: rgba(255,255,255,0.04);
  border-left: 3px solid rgba(124,58,237,0.5);
  border-radius: 0 8px 8px 0;
}
.lesson-preview-video {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(239,68,68,0.12);
  border: 1px solid rgba(239,68,68,0.3);
  color: #ef4444;
  padding: 7px 16px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s;
}
.lesson-preview-video:hover { background: rgba(239,68,68,0.22); }

/* =====================================================
   LESSON BLOG LAYOUT (admin preview modal)
   ===================================================== */
#lessonPreviewBody .lesson-blog { padding: 4px 0 8px; }

#lessonPreviewBody .lb-meta {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 18px;
}
#lessonPreviewBody .lb-type-badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 0.76rem; font-weight: 700; padding: 5px 14px;
  border-radius: 50px; border: 1px solid;
}
#lessonPreviewBody .lb-dur {
  font-size: 0.76rem; color: var(--muted);
  background: rgba(255,255,255,0.05); padding: 4px 12px; border-radius: 50px;
}
#lessonPreviewBody .lb-intro-card {
  display: flex; align-items: center; gap: 16px;
  background: linear-gradient(135deg, rgba(124,58,237,0.12), rgba(37,99,235,0.08));
  border: 1px solid rgba(124,58,237,0.2); border-radius: 14px;
  padding: 18px 20px; margin-bottom: 22px;
}
#lessonPreviewBody .lb-intro-icon {
  font-size: 1.6rem; width: 48px; height: 48px;
  background: rgba(124,58,237,0.15); border-radius: 12px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
#lessonPreviewBody .lb-intro-title {
  font-size: 1.05rem; font-weight: 800; color: var(--white); margin: 0 0 4px; line-height: 1.3;
}
#lessonPreviewBody .lb-intro-sub { font-size: 0.75rem; color: var(--muted); margin: 0; }

#lessonPreviewBody .lb-section { margin-bottom: 20px; }
#lessonPreviewBody .lb-section-label {
  font-size: 0.7rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: 1.2px; color: var(--muted); margin-bottom: 12px;
  padding-bottom: 7px; border-bottom: 1px solid rgba(255,255,255,0.06);
}
#lessonPreviewBody .lb-keypoints {
  list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px;
}
#lessonPreviewBody .lb-keypoints li {
  display: flex; align-items: flex-start; gap: 9px;
  font-size: 0.84rem; color: var(--text); line-height: 1.6;
  padding: 9px 13px;
  background: rgba(16,185,129,0.06); border: 1px solid rgba(16,185,129,0.15); border-radius: 9px;
}
#lessonPreviewBody .lb-keypoints li::before {
  content: '✓'; color: #10b981; font-weight: 800; font-size: 0.75rem; flex-shrink: 0; margin-top: 1px;
}
#lessonPreviewBody .lb-content-body {
  background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.07);
  border-radius: 12px; padding: 18px 20px;
}
#lessonPreviewBody .lb-content-body p {
  font-size: 0.88rem; color: var(--text); line-height: 1.8; margin: 0 0 12px;
}
#lessonPreviewBody .lb-content-body p:last-child { margin-bottom: 0; }
#lessonPreviewBody .lb-video-link {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.25);
  color: #ef4444; padding: 10px 18px; border-radius: 9px;
  font-size: 0.84rem; font-weight: 700; text-decoration: none; transition: background 0.2s;
}
#lessonPreviewBody .lb-video-link:hover { background: rgba(239,68,68,0.2); }

/* Make lesson preview modal wider */
#lessonPreviewModal .modal-box { max-width: 620px !important; max-height: 85vh; overflow-y: auto; }
#lessonPreviewModal .modal-box::-webkit-scrollbar { width: 4px; }
#lessonPreviewModal .modal-box::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }

/* Rich content styles inside admin preview modal */
#lessonPreviewBody .lb-rich-content { font-size: 0.88rem; color: var(--text); line-height: 1.8; }
#lessonPreviewBody .lb-rich-content h2 { font-size: 1.1rem; font-weight: 800; color: var(--white); margin: 24px 0 10px; padding-bottom: 6px; border-bottom: 2px solid rgba(124,58,237,0.3); }
#lessonPreviewBody .lb-rich-content h3 { font-size: 0.95rem; font-weight: 700; color: var(--white); margin: 18px 0 8px; }
#lessonPreviewBody .lb-rich-content h4 { font-size: 0.82rem; font-weight: 700; color: var(--primary-light); margin: 14px 0 6px; }
#lessonPreviewBody .lb-rich-content p { margin: 0 0 13px; }
#lessonPreviewBody .lb-rich-content ul, #lessonPreviewBody .lb-rich-content ol { padding-left: 18px; margin: 0 0 14px; }
#lessonPreviewBody .lb-rich-content li { margin-bottom: 6px; line-height: 1.65; }
#lessonPreviewBody .lb-rich-content pre { background: #0d1117; border: 1px solid rgba(255,255,255,0.1); border-radius: 10px; padding: 16px 18px; overflow-x: auto; margin: 14px 0; }
#lessonPreviewBody .lb-rich-content pre code { font-family: 'Fira Code', monospace; font-size: 0.8rem; color: #e6edf3; background: none; padding: 0; }
#lessonPreviewBody .lb-rich-content code { background: rgba(124,58,237,0.15); color: var(--primary-light); padding: 2px 6px; border-radius: 4px; font-family: monospace; font-size: 0.82em; }
#lessonPreviewBody .lb-rich-content blockquote { border-left: 4px solid rgba(124,58,237,0.6); background: rgba(124,58,237,0.07); margin: 14px 0; padding: 12px 16px; border-radius: 0 8px 8px 0; font-style: italic; }
#lessonPreviewBody .lb-rich-content blockquote p { margin: 0; }
#lessonPreviewBody .lb-rich-content table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 0.82rem; }
#lessonPreviewBody .lb-rich-content th { background: rgba(124,58,237,0.2); color: var(--white); font-weight: 700; padding: 9px 12px; text-align: left; }
#lessonPreviewBody .lb-rich-content td { padding: 8px 12px; border-bottom: 1px solid rgba(255,255,255,0.05); }
#lessonPreviewBody .lb-rich-content .callout { border-radius: 10px; padding: 13px 16px; margin: 14px 0; border-left: 4px solid; }
#lessonPreviewBody .lb-rich-content .callout.info { background: rgba(59,130,246,0.08); border-color: #3b82f6; color: #93c5fd; }
#lessonPreviewBody .lb-rich-content .callout.warning { background: rgba(245,158,11,0.08); border-color: #f59e0b; color: #fcd34d; }
#lessonPreviewBody .lb-rich-content .callout.tip { background: rgba(16,185,129,0.08); border-color: #10b981; color: #6ee7b7; }
#lessonPreviewBody .lb-rich-content .callout p { margin: 0; }
#lessonPreviewBody .lb-rich-content .concept-card { background: rgba(255,255,255,0.04); border: 1px solid rgba(124,58,237,0.2); border-radius: 10px; padding: 13px 16px; margin: 12px 0; }
#lessonPreviewBody .lb-rich-content .concept-card h4 { color: var(--primary-light); font-size: 0.84rem; font-weight: 700; margin: 0 0 6px; }
#lessonPreviewBody .lb-rich-content .concept-card p { margin: 0; font-size: 0.83rem; color: var(--muted); }
#lessonPreviewBody .lb-rich-content .mermaid { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08); border-radius: 10px; padding: 16px; margin: 14px 0; text-align: center; }
#lessonPreviewBody .lb-rich-content strong { color: var(--white); font-weight: 700; }
#lessonPreviewBody .lb-rich-content em { color: var(--primary-light); }

/* ===== Edit lesson button ===== */
.btn-edit-lesson {
  background: rgba(245,158,11,0.12);
  border: 1px solid rgba(245,158,11,0.3);
  color: #f59e0b;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.72rem;
  cursor: pointer;
  transition: background 0.2s;
  margin-right: 2px;
}
.btn-edit-lesson:hover { background: rgba(245,158,11,0.24); }

/* ===== Content mode toggle in lesson modal ===== */
.content-mode-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.content-mode-row label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
}
.content-mode-toggle {
  display: flex;
  gap: 4px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 3px;
}
.mode-btn {
  background: none;
  border: none;
  color: var(--muted);
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 0.76rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s;
}
.mode-btn:hover { color: var(--text); }
.mode-btn.active {
  background: rgba(124,58,237,0.25);
  color: var(--white);
  border: 1px solid rgba(124,58,237,0.4);
}

/* ── Admin LMS Mobile ─────────────────────────────────────── */
@media (max-width: 768px) {
  .alms-layout { flex-direction: column; }

  .alms-sidebar {
    position: fixed;
    left: -300px;
    width: 280px;
    top: 64px; bottom: 0;
    z-index: 300;
    transition: left 0.3s ease;
    overflow-y: auto;
  }
  .alms-sidebar.mobile-open { left: 0; }

  .alms-main { margin-left: 0 !important; padding: 20px 16px; }

  .tab-header { flex-wrap: wrap; gap: 10px; }
  .tab-header-actions { flex-wrap: wrap; gap: 8px; }

  .form-row { flex-direction: column; }
  .ai-modules-box { max-width: calc(100vw - 24px) !important; }
}

@media (max-width: 480px) {
  .alms-main { padding: 16px 12px; }
  .topic-header { flex-direction: column; align-items: flex-start; gap: 10px; }
  .topic-actions { flex-wrap: wrap; gap: 6px; }
  .lesson-row { flex-wrap: wrap; gap: 6px; font-size: 0.8rem; }
  .course-cards-grid { grid-template-columns: 1fr; }
}

/* ── Material & Quiz section inside topic card ── */
.material-section { margin-top: 10px; border-top: 1px solid rgba(255,255,255,0.06); padding-top: 8px; }
.material-section-label { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: rgba(255,255,255,0.35); margin-bottom: 6px; padding-left: 4px; }
.btn-add-material { background: rgba(14,165,233,0.15); border: 1px solid rgba(14,165,233,0.3); color: #38bdf8; padding: 6px 12px; border-radius: 7px; font-size: 0.78rem; font-weight: 700; cursor: pointer; transition: background 0.2s; }
.btn-add-material:hover { background: rgba(14,165,233,0.28); }
.btn-add-quiz { background: rgba(139,92,246,0.15); border: 1px solid rgba(139,92,246,0.3); color: #a78bfa; padding: 6px 12px; border-radius: 7px; font-size: 0.78rem; font-weight: 700; cursor: pointer; transition: background 0.2s; }
.btn-add-quiz:hover { background: rgba(139,92,246,0.28); }