/* ==========================================================================
   EduPeak Advanced LMS System - Stylesheet
   Theme: eWings.lk Signature Color Palette (#227AFF, #EFF5FF, #FFFFFF)
   Video Player, Live Classroom, Timed MCQ Engine & Student Dashboard
   ========================================================================== */

.lms-modal-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 100%;
  height: 100%;
  max-height: 100%;
  background: #f6faff;
  z-index: 1200;
  display: flex;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  overflow: hidden;
  box-sizing: border-box;
}

.lms-modal-wrapper.active {
  opacity: 1;
  pointer-events: auto;
}

/* LMS Top Navigation Bar */
.lms-navbar {
  min-height: 4rem;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1.25rem;
  flex-shrink: 0;
  gap: 0.75rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.lms-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.lms-brand-img {
  height: 30px;
  width: auto;
  object-fit: contain;
}

.lms-badge-tag {
  background: var(--gradient-primary);
  color: #ffffff;
  font-size: 0.675rem;
  font-weight: 800;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.lms-nav-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  padding: 0.2rem 0.25rem;
}

.lms-nav-tabs::-webkit-scrollbar {
  display: none;
}

.lms-tab-btn {
  background: #f8fafc;
  color: #475569;
  font-size: 0.785rem;
  font-weight: 600;
  padding: 0.42rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1.5px solid #e2e8f0;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.lms-tab-btn:hover {
  background: #eff6ff;
  color: var(--primary);
  border-color: #bfdbfe;
}

.lms-tab-btn.active {
  background: #eff6ff;
  color: #1d4ed8;
  font-weight: 700;
  border-color: #227aff;
  box-shadow: 0 2px 8px rgba(34, 122, 255, 0.16);
}

.badge-live-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.25);
  animation: pulseLive 1.5s infinite;
  display: inline-block;
}

@keyframes pulseLive {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6);
  }
  50% {
    box-shadow: 0 0 0 5px rgba(239, 68, 68, 0);
  }
}

.lms-user-bar {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-shrink: 0;
}

.lms-student-profile {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
  background: #f8faff;
  padding: 0.35rem 0.75rem 0.35rem 0.4rem;
  border-radius: var(--radius-full);
  border: 1px solid #e2e8f0;
}

.student-avatar-circle {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(34, 122, 255, 0.25);
}

.student-info-mini {
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1.25;
  white-space: nowrap;
}

.student-name {
  font-size: 0.825rem;
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

.student-id-tag {
  font-size: 0.7rem;
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.lms-exit-btn {
  background: #fee2e2;
  color: #b91c1c;
  border: 1px solid #fecaca;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
  white-space: nowrap;
  transition: var(--transition);
}

.lms-exit-btn:hover {
  background: #ef4444;
  color: #ffffff;
  border-color: #ef4444;
}

/* LMS View Container */
.lms-main-content {
  flex: 1 1 auto;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 2rem;
  background: #f6faff;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  -webkit-overflow-scrolling: touch;
}

.lms-view-pane {
  display: none;
  max-width: 1350px;
  width: 100%;
  box-sizing: border-box;
  margin: 0 auto;
  overflow-x: hidden;
}

.lms-view-pane.active {
  display: block;
}

/* ==========================================================================
   LMS Tab 1: Video Classroom & Notes
   ========================================================================== */
.classroom-layout-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 1.75rem;
}

.video-player-container {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.video-screen-box {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-screen-box iframe, .video-screen-box video {
  width: 100%;
  height: 100%;
  border: none;
}

.video-sim-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.3) 0%, transparent 40%, rgba(0, 0, 0, 0.8) 100%);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.25rem;
  pointer-events: none;
}

.video-top-tag {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.video-hd-pill {
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 0.725rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.video-live-pill {
  background: #ef4444;
  color: #fff;
  font-size: 0.725rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.video-meta-bar {
  padding: 1.25rem 1.5rem;
  background: #ffffff;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.video-title-box h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.video-instructor {
  font-size: 0.825rem;
  color: var(--primary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.video-actions-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-video-tool {
  background: #eff5ff;
  color: var(--primary-dark);
  border: 1px solid var(--border-color);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition);
}

.btn-video-tool:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

/* Side Panel */
.classroom-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.sidebar-card-box {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.sidebar-box-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-box-header h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.chapters-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 220px;
  overflow-y: auto;
}

.chapter-item {
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-sm);
  background: #f6faff;
  border: 1px solid var(--border-color);
  font-size: 0.825rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: var(--transition);
}

.chapter-item:hover, .chapter-item.active {
  background: #eff5ff;
  border-color: var(--primary);
  color: var(--primary-dark);
  font-weight: 600;
}

.chapter-time {
  font-size: 0.725rem;
  font-family: monospace;
  color: var(--primary);
  background: #ffffff;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

.lms-notepad-textarea {
  width: 100%;
  height: 140px;
  background: #f6faff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-main);
  resize: vertical;
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

.lms-notepad-textarea:focus {
  border-color: var(--primary);
  background: #ffffff;
}

/* ==========================================================================
   LMS Tab 2: Live Interactive Classroom
   ========================================================================== */
.live-banner-alert {
  background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%);
  border: 1px solid rgba(34, 122, 255, 0.25);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  gap: 1.25rem;
  box-shadow: 0 4px 16px rgba(34, 122, 255, 0.06);
}

.live-banner-main {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
}

.live-banner-status-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.2rem;
}

.video-live-pill {
  font-size: 0.725rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  width: fit-content;
  white-space: nowrap;
  letter-spacing: 0.3px;
}

.video-live-pill.status-live {
  background: #ef4444;
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(239, 68, 68, 0.25);
}

.video-live-pill.status-scheduled {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}

.video-live-pill.status-ended {
  background: #f1f5f9;
  color: #64748b;
  border: 1px solid #e2e8f0;
}

.live-topic-title {
  color: #0f172a;
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1.35;
  margin: 0;
}

.live-topic-meta {
  font-size: 0.825rem;
  color: #64748b;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.live-banner-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.btn-zoom-launch {
  background: #2d8cff !important;
  border-color: #2d8cff !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 0.45rem !important;
  font-weight: 700 !important;
  padding: 0.55rem 1.1rem !important;
  border-radius: var(--radius-md) !important;
  white-space: nowrap !important;
  box-shadow: 0 4px 12px rgba(45, 140, 255, 0.25) !important;
}

.btn-zoom-launch:hover {
  background: #1b73e8 !important;
  transform: translateY(-1px);
}

.live-countdown-box {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.775rem;
  color: #64748b;
}

.countdown-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: #64748b;
  text-transform: uppercase;
}

.countdown-digits {
  font-family: monospace;
  font-size: 0.85rem;
  font-weight: 800;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  border: 1px solid #e2e8f0;
  background: #ffffff;
}

.live-room-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 1.75rem;
}

.live-whiteboard-feed {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  aspect-ratio: 16 / 9;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.live-teacher-cam {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 180px;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-sm);
  border: 3px solid var(--primary);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.live-teacher-cam img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.live-chat-panel {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  height: 520px;
  box-shadow: var(--shadow-sm);
}

.chat-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chat-messages-scroll {
  flex-grow: 1;
  padding: 1rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.chat-bubble {
  background: #f6faff;
  border: 1px solid var(--border-color);
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--text-main);
}

.chat-sender {
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.15rem;
  display: flex;
  justify-content: space-between;
}

.chat-time {
  font-size: 0.675rem;
  color: var(--text-muted);
}

.chat-input-bar {
  padding: 0.85rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: 0.5rem;
}

.chat-input-field {
  flex-grow: 1;
  background: #f6faff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  color: var(--text-main);
}

/* ==========================================================================
   LMS Tab 3: Timed Speed MCQ Engine
   ========================================================================== */
.quiz-container-box {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  max-width: 900px;
  margin: 0 auto;
  box-shadow: var(--shadow-md);
}

.quiz-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 2rem;
}

.quiz-timer-pill {
  background: #fee2e2;
  border: 1px solid #fecaca;
  color: #dc2626;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.quiz-progress-dots {
  display: flex;
  gap: 0.5rem;
}

.quiz-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #eff5ff;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.quiz-dot.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.quiz-dot.answered {
  background: #dcfce7;
  color: #15803d;
  border-color: #86efac;
}

.question-text-box {
  margin-bottom: 2rem;
}

.question-subject-tag {
  font-size: 0.775rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
  display: block;
}

.question-main-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.5;
  margin-bottom: 0.5rem;
}

.question-sinhala-text {
  font-size: 1.05rem;
  color: var(--primary-dark);
  line-height: 1.6;
}

.options-list-grid {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2rem;
}

.quiz-option-item {
  background: #f6faff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-main);
}

.quiz-option-item:hover {
  background: #eff5ff;
  border-color: var(--primary);
}

.quiz-option-item.selected {
  background: #eff5ff;
  border-color: var(--primary);
  box-shadow: 0 0 12px rgba(34, 122, 255, 0.25);
}

.quiz-option-item.correct {
  background: #dcfce7 !important;
  border-color: #10b981 !important;
  color: #15803d !important;
}

.quiz-option-item.incorrect {
  background: #fee2e2 !important;
  border-color: #ef4444 !important;
  color: #b91c1c !important;
}

.option-radio-mark {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.quiz-option-item.selected .option-radio-mark {
  border-color: var(--primary);
  background: var(--primary);
  color: #ffffff;
}

.quiz-explanation-box {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-top: 1.5rem;
  display: none;
}

.quiz-explanation-box.show {
  display: block;
  animation: fadeIn 0.3s ease;
}

.quiz-footer-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

/* ==========================================================================
   LMS Tab 4: Student Enrolled Courses Dashboard
   ========================================================================== */
.enrolled-dashboard-topbar {
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.student-dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  width: 100%;
  box-sizing: border-box;
}

.enrolled-course-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 16px rgba(34, 122, 255, 0.06);
  transition: var(--transition);
  box-sizing: border-box;
  min-width: 0;
  width: 100%;
}

.enrolled-course-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
  box-shadow: 0 10px 25px rgba(34, 122, 255, 0.12);
}

.enrolled-course-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.enrolled-stream-badge {
  font-size: 0.725rem;
  font-weight: 800;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: #eff6ff;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  border: 1px solid #bfdbfe;
  display: inline-block;
}

.enrolled-level-tag {
  font-size: 0.725rem;
  color: #64748b;
  font-weight: 700;
  background: #f8fafc;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  border: 1px solid #e2e8f0;
}

.enrolled-course-title {
  font-size: 1.15rem;
  color: #0f172a !important;
  font-weight: 800;
  margin-bottom: 0.5rem;
  line-height: 1.4;
  word-break: break-word;
}

.enrolled-teacher-row {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.progress-bar-container {
  width: 100%;
  height: 8px;
  background: #e2e8f0;
  border-radius: var(--radius-full);
  margin: 0.5rem 0 0.85rem 0;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width 0.4s ease;
}

.enrolled-progress-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.775rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.enrolled-cta-btn {
  width: 100%;
  padding: 0.65rem 1rem;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  margin-top: auto;
}

/* ==========================================================================
   Responsive Breakpoints for LMS System (Tablet, Mobile & Small Devices)
   ========================================================================== */

/* Large Tablets & Small Laptops (<= 1024px) */
@media (max-width: 1024px) {
  .lms-navbar {
    display: flex !important;
    flex-wrap: wrap !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 0.5rem 1rem 0.35rem !important;
    gap: 0.4rem !important;
    min-height: auto !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .lms-brand {
    order: 1 !important;
    display: flex !important;
    align-items: center !important;
    flex: 0 0 auto !important;
  }

  .lms-user-bar {
    order: 2 !important;
    display: flex !important;
    align-items: center !important;
    gap: 0.45rem !important;
    margin-left: auto !important;
    flex: 0 0 auto !important;
  }

  .student-id-tag {
    display: none !important;
  }

  .student-name {
    max-width: 85px !important;
  }

  .lms-nav-tabs {
    order: 3 !important;
    flex: 0 0 100% !important;
    width: 100% !important;
    max-width: 100% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
    gap: 0.45rem !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important;
    padding: 0.45rem 0.15rem 0.25rem !important;
    margin-top: 0.25rem !important;
    border-top: 1px solid #f1f5f9 !important;
    box-sizing: border-box !important;
  }

  .lms-nav-tabs::-webkit-scrollbar {
    display: none !important;
  }

  .lms-tab-btn {
    font-size: 0.8rem !important;
    padding: 0.42rem 0.85rem !important;
    flex-shrink: 0 !important;
    white-space: nowrap !important;
    border-radius: 9999px !important;
  }

  .classroom-layout-grid,
  .live-room-grid {
    grid-template-columns: 1fr !important;
    gap: 1.5rem !important;
  }
}

/* Tablets Portrait & Standard Mobile (<= 768px) */
@media (max-width: 768px) {
  .lms-navbar {
    padding: 0.5rem 0.75rem 0.3rem;
    gap: 0.4rem;
  }

  .lms-brand-img {
    height: 28px;
  }

  .lms-student-profile {
    max-width: 130px;
    padding: 0.25rem 0.55rem 0.25rem 0.35rem;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 9999px;
  }

  .student-avatar-circle {
    width: 26px;
    height: 26px;
    font-size: 0.75rem;
  }

  .student-name {
    max-width: 70px;
    font-size: 0.75rem;
    font-weight: 700;
  }

  .lms-exit-btn {
    padding: 0.35rem 0.65rem;
    font-size: 0.75rem;
    border-radius: 9999px;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
  }

  .lms-nav-tabs {
    gap: 0.4rem;
    padding: 0.4rem 0.1rem 0.2rem;
  }

  .lms-tab-btn {
    font-size: 0.775rem;
    padding: 0.4rem 0.75rem;
  }

  .lms-main-content {
    padding: 0.85rem 0.65rem !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  /* Video Classroom Mobile */
  .classroom-layout-grid {
    grid-template-columns: 1fr !important;
    gap: 1.25rem;
  }

  .video-meta-bar {
    padding: 1rem !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0.85rem !important;
  }

  .video-meta-bar select {
    width: 100% !important;
    max-width: 100% !important;
    font-size: 0.85rem !important;
  }

  .video-actions-box {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
  }

  .btn-video-tool {
    font-size: 0.75rem;
    padding: 0.4rem 0.65rem;
  }

  .classroom-sidebar {
    width: 100% !important;
  }

  .sidebar-card-box {
    padding: 1rem !important;
  }

  /* Live Room Mobile */
  .live-banner-alert {
    flex-direction: column !important;
    align-items: flex-start !important;
    padding: 1rem !important;
    gap: 0.75rem !important;
    margin-bottom: 1.25rem !important;
    border-radius: 14px !important;
    box-sizing: border-box !important;
  }

  .live-banner-main {
    width: 100% !important;
  }

  .live-banner-status-row {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    width: 100% !important;
    gap: 0.5rem !important;
    margin-bottom: 0.35rem !important;
  }

  .live-topic-title {
    font-size: 0.975rem !important;
    font-weight: 800 !important;
    line-height: 1.35 !important;
    color: #0f172a !important;
    margin-bottom: 0.25rem !important;
  }

  .live-topic-meta {
    font-size: 0.75rem !important;
    line-height: 1.3 !important;
    color: #64748b !important;
  }

  .live-banner-actions {
    width: 100% !important;
    display: flex !important;
    padding-top: 0.65rem !important;
    border-top: 1px solid rgba(34, 122, 255, 0.15) !important;
  }

  .btn-zoom-launch {
    width: 100% !important;
    justify-content: center !important;
    padding: 0.55rem 1rem !important;
    font-size: 0.825rem !important;
  }

  .live-room-grid {
    grid-template-columns: 1fr !important;
    gap: 1.25rem;
  }

  .live-chat-panel {
    height: 380px !important;
    max-height: 50vh !important;
  }

  /* Speed Quiz Mobile */
  .quiz-container-box {
    padding: 1.25rem 1rem !important;
    width: 100% !important;
    box-sizing: border-box !important;
    border-radius: 14px !important;
  }

  .quiz-header-bar {
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.85rem !important;
    padding-bottom: 1rem !important;
    margin-bottom: 1.25rem !important;
  }

  .quiz-header-bar > div:last-child {
    width: 100% !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    flex-wrap: wrap !important;
    gap: 0.65rem !important;
    border-top: 1px solid #f1f5f9;
    padding-top: 0.75rem;
  }

  .quiz-progress-dots {
    gap: 0.35rem !important;
  }

  .quiz-dot {
    width: 28px !important;
    height: 28px !important;
    font-size: 0.75rem !important;
  }

  .question-text-box {
    padding: 1rem !important;
    margin: 1rem 0 !important;
  }

  .question-main-text {
    font-size: 1rem !important;
  }

  .question-sinhala-text {
    font-size: 0.9rem !important;
  }

  .quiz-option-item {
    padding: 0.85rem 1rem !important;
    gap: 0.75rem !important;
  }

  .quiz-footer-actions {
    gap: 0.5rem !important;
  }

  .quiz-footer-actions .btn {
    flex: 1 1 auto;
    font-size: 0.825rem;
    padding: 0.55rem 0.85rem;
  }

  /* My Courses Mobile */
  .student-dashboard-grid {
    grid-template-columns: 1fr !important;
    gap: 1rem;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .enrolled-course-card {
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 1.25rem 1rem;
  }
}

/* Extra Small Phones (<= 480px) */
@media (max-width: 480px) {
  .lms-navbar {
    padding: 0.45rem 0.5rem 0.25rem;
    gap: 0.35rem;
  }

  .lms-brand-img {
    height: 24px;
  }

  .lms-student-profile {
    max-width: 110px;
    padding: 0.2rem 0.45rem 0.2rem 0.25rem;
    gap: 0.3rem;
  }

  .student-name {
    max-width: 60px;
    font-size: 0.72rem;
  }

  .lms-exit-btn {
    padding: 0.35rem 0.5rem;
    font-size: 0.7rem;
  }

  .lms-exit-btn span {
    display: none; /* Icon only on extra small screens */
  }

  .lms-nav-tabs {
    gap: 0.35rem;
    padding: 0.35rem 0.1rem 0.15rem;
  }

  .lms-tab-btn {
    font-size: 0.75rem;
    padding: 0.38rem 0.7rem;
    gap: 0.3rem;
  }

  .lms-main-content {
    padding: 0.75rem 0.5rem !important;
  }

  .quiz-container-box {
    padding: 1rem 0.75rem !important;
  }

  .quiz-timer-pill {
    font-size: 0.8rem !important;
    padding: 0.3rem 0.65rem !important;
  }

  .quiz-dot {
    width: 26px !important;
    height: 26px !important;
    font-size: 0.7rem !important;
  }

  .enrolled-course-card {
    padding: 1rem 0.75rem !important;
  }

  .enrolled-course-title {
    font-size: 0.975rem;
  }
}

/* Very Compact Screens (<= 360px) */
@media (max-width: 360px) {
  .lms-tab-btn {
    font-size: 0.72rem;
    padding: 0.35rem 0.6rem;
  }
}