/*==========================================================================
  ArcadeDB Academy - Training Platform Styles
  ==========================================================================*/

/*========== Academy Variables ==========*/
:root {
  --academy-sidebar-width: 320px;
  --academy-progress-height: 4px;
  --academy-green: #28A745;
  --academy-orange: #F59E0B;
  --academy-red: #EF4444;
  --academy-purple: #8B5CF6;
}

/*========== Academy Landing Page ==========*/
.academy-hero {
  padding: 140px 0 60px;
  background: linear-gradient(135deg, #F0F4F8 0%, #FFFFFF 50%, #F0F8FF 100%);
  text-align: center;
}

.academy-hero .section-title {
  margin-bottom: 16px;
}

.academy-hero .section-subtitle {
  max-width: 700px;
  margin: 0 auto 32px;
}

.academy-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.academy-stat {
  text-align: center;
}

.academy-stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 6px;
}

.academy-stat-label {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* User Registration Bar */
.academy-user-bar {
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  padding: 20px 0;
}

.academy-user-form {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.academy-user-form label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
  white-space: nowrap;
}

.academy-user-form input {
  padding: 10px 16px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 0.9375rem;
  font-family: var(--font-primary);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  min-width: 200px;
  transition: var(--transition-normal);
}

.academy-user-form input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.academy-user-form .btn {
  padding: 10px 24px;
}

.academy-user-saved {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--academy-green);
  font-weight: 600;
  font-size: 0.9375rem;
}

/* Course Catalog Grid */
.academy-catalog {
  padding: var(--section-padding) 0;
  background: var(--color-bg-primary);
}

.academy-catalog .section-header {
  margin-bottom: 40px;
}

.academy-courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 32px;
}

.academy-course-card {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.academy-course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.academy-course-card-header {
  padding: 32px 28px 24px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #0080E0 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.academy-course-card-header::after {
  content: '';
  position: absolute;
  top: -20px;
  right: -20px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
}

.academy-course-card-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 12px;
  background: rgba(255,255,255,0.2);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.academy-course-card-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: white;
  margin-bottom: 8px;
  line-height: 1.3;
}

.academy-course-card-duration {
  font-size: 0.875rem;
  opacity: 0.85;
}

.academy-course-card-body {
  padding: 24px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.academy-course-card-desc {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
  flex: 1;
}

.academy-course-card-modules {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.academy-module-tag {
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--color-bg-accent);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.academy-course-card-progress {
  margin-top: auto;
}

.academy-progress-bar-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.academy-progress-bar {
  flex: 1;
  height: 8px;
  background: var(--color-bg-secondary);
  border-radius: 4px;
  overflow: hidden;
}

.academy-progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: 4px;
  transition: width 0.5s ease;
}

.academy-progress-text {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  min-width: 36px;
  text-align: right;
}

.academy-course-card-footer {
  padding: 16px 28px;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.academy-course-card-cta {
  font-weight: 600;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9375rem;
}

.academy-course-card-cta svg {
  transition: transform 0.2s ease;
}

.academy-course-card:hover .academy-course-card-cta svg {
  transform: translateX(4px);
}

.academy-free-badge {
  padding: 4px 12px;
  border-radius: 12px;
  background: rgba(40, 167, 69, 0.1);
  color: var(--academy-green);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Coming Soon Card */
.academy-course-card.coming-soon {
  opacity: 0.65;
  pointer-events: none;
}

.academy-course-card.coming-soon .academy-course-card-header {
  background: linear-gradient(135deg, #718096 0%, #A0AEC0 100%);
}

@media (max-width: 768px) {
  .academy-courses-grid {
    grid-template-columns: 1fr;
  }

  .academy-hero {
    padding: 120px 0 40px;
  }

  .academy-stats {
    gap: 24px;
  }

  .academy-user-form {
    flex-direction: column;
    align-items: stretch;
  }

  .academy-user-form input {
    min-width: 0;
    width: 100%;
  }
}

/*==========================================================================
  Course Page Layout
  ==========================================================================*/
.academy-course-page {
  display: flex;
  min-height: 100vh;
  padding-top: 80px;
}

/* Global progress bar at top */
.academy-global-progress {
  position: fixed;
  top: 74px;
  left: 0;
  right: 0;
  height: var(--academy-progress-height);
  background: var(--color-border-light);
  z-index: 999;
}

.academy-global-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  transition: width 0.5s ease;
  border-radius: 0 2px 2px 0;
}

/*========== Sidebar ==========*/
.academy-sidebar {
  width: var(--academy-sidebar-width);
  min-width: var(--academy-sidebar-width);
  background: var(--color-bg-primary);
  border-right: 1px solid var(--color-border);
  height: calc(100vh - 80px);
  position: sticky;
  top: 80px;
  overflow-y: auto;
  padding: 24px 0;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

.academy-sidebar::-webkit-scrollbar {
  width: 4px;
}

.academy-sidebar::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 2px;
}

.academy-sidebar-header {
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 16px;
}

.academy-sidebar-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 4px;
}

.academy-sidebar-meta {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* Module items in sidebar */
.academy-module-group {
  margin-bottom: 4px;
}

.academy-module-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  cursor: pointer;
  transition: var(--transition-fast);
  user-select: none;
}

.academy-module-header:hover {
  background: var(--color-bg-secondary);
}

.academy-module-number {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--color-bg-accent);
  color: var(--color-text-muted);
  flex-shrink: 0;
  transition: var(--transition-normal);
}

.academy-module-number.completed {
  background: var(--academy-green);
  color: white;
}

.academy-module-number.active {
  background: var(--color-primary);
  color: white;
}

.academy-module-info {
  flex: 1;
  min-width: 0;
}

.academy-module-name {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.3;
}

.academy-module-status {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.academy-module-chevron {
  width: 16px;
  height: 16px;
  color: var(--color-text-muted);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.academy-module-group.expanded .academy-module-chevron {
  transform: rotate(90deg);
}

/* Lesson items in sidebar */
.academy-lesson-list {
  display: none;
  padding: 4px 0;
}

.academy-module-group.expanded .academy-lesson-list {
  display: block;
}

.academy-lesson-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px 8px 58px;
  cursor: pointer;
  transition: var(--transition-fast);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.academy-lesson-item:hover {
  background: var(--color-bg-secondary);
  color: var(--color-primary);
}

.academy-lesson-item.active {
  background: rgba(0, 102, 204, 0.06);
  color: var(--color-primary);
  font-weight: 600;
}

.academy-lesson-item.completed {
  color: var(--color-text-muted);
}

.academy-lesson-check {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition-normal);
}

.academy-lesson-item.completed .academy-lesson-check {
  background: var(--academy-green);
  border-color: var(--academy-green);
}

.academy-lesson-item.active .academy-lesson-check {
  border-color: var(--color-primary);
  background: var(--color-primary);
}

.academy-lesson-check svg {
  width: 10px;
  height: 10px;
  opacity: 0;
}

.academy-lesson-item.completed .academy-lesson-check svg,
.academy-lesson-item.active .academy-lesson-check svg {
  opacity: 1;
}

.academy-lesson-name {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Quiz item in sidebar */
.academy-quiz-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px 8px 58px;
  cursor: pointer;
  transition: var(--transition-fast);
  font-size: 0.8125rem;
  color: var(--academy-purple);
  font-weight: 600;
}

.academy-quiz-item:hover {
  background: var(--color-bg-secondary);
}

.academy-quiz-item.active {
  background: rgba(139, 92, 246, 0.06);
}

.academy-quiz-item.completed {
  color: var(--academy-green);
}

.academy-quiz-item.locked {
  opacity: 0.4;
  pointer-events: none;
}

/* Exam item in sidebar */
.academy-exam-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  margin: 8px 12px;
  cursor: pointer;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(0,102,204,0.06) 0%, rgba(0,184,169,0.06) 100%);
  border: 1px solid var(--color-border);
  transition: var(--transition-normal);
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--color-primary);
}

.academy-exam-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.academy-exam-item.locked {
  opacity: 0.4;
  pointer-events: none;
}

.academy-exam-item.completed {
  background: linear-gradient(135deg, rgba(40,167,69,0.08) 0%, rgba(40,167,69,0.04) 100%);
  border-color: var(--academy-green);
  color: var(--academy-green);
}

/*========== Mobile Sidebar Toggle ==========*/
.academy-sidebar-toggle {
  display: none;
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 1001;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  align-items: center;
  justify-content: center;
  transition: var(--transition-normal);
}

.academy-sidebar-toggle:hover {
  background: var(--color-primary-dark);
  transform: scale(1.05);
}

.academy-sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.4);
  z-index: 1000;
}

@media (max-width: 968px) {
  .academy-sidebar {
    position: fixed;
    left: -100%;
    top: 0;
    z-index: 1001;
    height: 100vh;
    padding-top: 100px;
    transition: left 0.3s ease;
    box-shadow: var(--shadow-xl);
  }

  .academy-sidebar.open {
    left: 0;
  }

  .academy-sidebar-toggle {
    display: flex;
  }

  .academy-sidebar-overlay.open {
    display: block;
  }

  .academy-course-page {
    display: block;
  }
}

/*========== Main Content Area ==========*/
.academy-main {
  flex: 1;
  min-width: 0;
  padding: 32px 48px 80px;
  max-width: 900px;
  margin: 0 auto;
}

@media (max-width: 968px) {
  .academy-main {
    padding: 24px 20px 100px;
  }
}

/* Lesson Content */
.academy-lesson {
  animation: fadeIn 0.3s ease;
}

.academy-lesson-header {
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border-light);
}

.academy-lesson-breadcrumb {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.academy-lesson-breadcrumb span {
  color: var(--color-primary);
  font-weight: 500;
}

.academy-lesson-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.3;
  margin-bottom: 8px;
}

/* Lesson body */
.academy-lesson-body {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.academy-lesson-body h3 {
  font-size: 1.25rem;
  margin: 32px 0 16px;
  color: var(--color-text-primary);
}

.academy-lesson-body p {
  margin-bottom: 16px;
}

.academy-lesson-body ul, .academy-lesson-body ol {
  margin: 0 0 16px 24px;
}

.academy-lesson-body li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.academy-lesson-body strong {
  color: var(--color-text-primary);
  font-weight: 600;
}

.academy-lesson-body code {
  background: var(--color-bg-accent);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-code);
  font-size: 0.875em;
  color: var(--color-primary-dark);
}

/* Code blocks in lessons */
.academy-code-block {
  background: #1A1D23;
  border-radius: 12px;
  padding: 20px 24px;
  margin: 16px 0;
  overflow-x: auto;
  position: relative;
}

.academy-code-block code {
  background: none;
  color: #E2E8F0;
  padding: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  display: block;
  white-space: pre;
}

.academy-code-block .code-lang {
  position: absolute;
  top: 8px;
  right: 12px;
  font-size: 0.6875rem;
  color: #718096;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.academy-code-block .kw { color: #8B5CF6; }
.academy-code-block .str { color: #10B981; }
.academy-code-block .num { color: #F59E0B; }
.academy-code-block .cm { color: #718096; font-style: italic; }
.academy-code-block .fn { color: #3B82F6; }
.academy-code-block .op { color: #F472B6; }
.academy-code-block .type { color: #06B6D4; }

/* SVG Illustration container */
.academy-illustration {
  margin: 24px 0;
  display: flex;
  justify-content: center;
}

.academy-illustration svg {
  max-width: 100%;
  width: 100%;
  height: auto;
}

/* Info/tip/warning boxes */
.academy-callout {
  border-radius: 10px;
  padding: 16px 20px;
  margin: 20px 0;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.academy-callout.tip {
  background: rgba(0, 102, 204, 0.06);
  border-left: 3px solid var(--color-primary);
}

.academy-callout.success {
  background: rgba(40, 167, 69, 0.06);
  border-left: 3px solid var(--academy-green);
}

.academy-callout.warning {
  background: rgba(245, 158, 11, 0.06);
  border-left: 3px solid var(--academy-orange);
}

.academy-callout-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
}

.academy-callout-text {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.academy-callout-text strong {
  color: var(--color-text-primary);
}

/*========== Navigation Buttons ==========*/
.academy-lesson-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  gap: 16px;
}

.academy-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: var(--transition-normal);
  border: none;
  font-family: var(--font-primary);
}

.academy-nav-btn.prev {
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.academy-nav-btn.prev:hover {
  background: var(--color-bg-accent);
  color: var(--color-text-primary);
}

.academy-nav-btn.next {
  background: var(--color-primary);
  color: white;
  margin-left: auto;
}

.academy-nav-btn.next:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.academy-nav-btn:disabled {
  opacity: 0.4;
  pointer-events: none;
}

.academy-nav-btn svg {
  width: 16px;
  height: 16px;
}

/*========== Quiz Section ==========*/
.academy-quiz {
  animation: fadeIn 0.3s ease;
}

.academy-quiz-header {
  text-align: center;
  margin-bottom: 32px;
}

.academy-quiz-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: rgba(139, 92, 246, 0.1);
  color: var(--academy-purple);
}

.academy-quiz-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.academy-quiz-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* Question card */
.academy-question {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 20px;
  transition: var(--transition-normal);
}

.academy-question-number {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.academy-question-text {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 16px;
  line-height: 1.5;
}

.academy-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.academy-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-normal);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.academy-option:hover {
  border-color: var(--color-primary-light);
  background: rgba(0, 102, 204, 0.03);
}

.academy-option.selected {
  border-color: var(--color-primary);
  background: rgba(0, 102, 204, 0.06);
  color: var(--color-text-primary);
}

.academy-option.correct {
  border-color: var(--academy-green);
  background: rgba(40, 167, 69, 0.06);
  color: var(--color-text-primary);
}

.academy-option.incorrect {
  border-color: var(--academy-red);
  background: rgba(239, 68, 68, 0.06);
  color: var(--color-text-primary);
}

.academy-option-radio {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-normal);
}

.academy-option.selected .academy-option-radio {
  border-color: var(--color-primary);
  background: var(--color-primary);
}

.academy-option.correct .academy-option-radio {
  border-color: var(--academy-green);
  background: var(--academy-green);
}

.academy-option.incorrect .academy-option-radio {
  border-color: var(--academy-red);
  background: var(--academy-red);
}

.academy-option-radio-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: white;
  opacity: 0;
  transition: var(--transition-fast);
}

.academy-option.selected .academy-option-radio-dot,
.academy-option.correct .academy-option-radio-dot,
.academy-option.incorrect .academy-option-radio-dot {
  opacity: 1;
}

/* Question explanation */
.academy-explanation {
  margin-top: 12px;
  padding: 12px 16px;
  border-radius: 8px;
  background: rgba(0, 102, 204, 0.04);
  border-left: 3px solid var(--color-primary);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  display: none;
}

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

/* Quiz submit / results */
.academy-quiz-actions {
  text-align: center;
  margin-top: 32px;
}

.academy-quiz-submit {
  padding: 14px 40px;
  font-size: 1rem;
}

.academy-quiz-result {
  text-align: center;
  padding: 32px;
  border-radius: 12px;
  margin-top: 24px;
  animation: fadeIn 0.3s ease;
}

.academy-quiz-result.passed {
  background: rgba(40, 167, 69, 0.06);
  border: 1px solid rgba(40, 167, 69, 0.2);
}

.academy-quiz-result.failed {
  background: rgba(239, 68, 68, 0.06);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.academy-quiz-score {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 8px;
}

.academy-quiz-result.passed .academy-quiz-score {
  color: var(--academy-green);
}

.academy-quiz-result.failed .academy-quiz-score {
  color: var(--academy-red);
}

.academy-quiz-score-label {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.academy-quiz-result-msg {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 20px;
}

.academy-quiz-result-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/*========== Final Exam ==========*/
.academy-exam {
  animation: fadeIn 0.3s ease;
}

.academy-exam-header {
  text-align: center;
  padding: 40px 24px;
  background: linear-gradient(135deg, rgba(0,102,204,0.04) 0%, rgba(0,184,169,0.04) 100%);
  border-radius: 16px;
  border: 1px solid var(--color-border);
  margin-bottom: 32px;
}

.academy-exam-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: white;
}

.academy-exam-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.academy-exam-meta {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.academy-exam-rules {
  text-align: left;
  max-width: 480px;
  margin: 0 auto;
}

.academy-exam-rules li {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
  line-height: 1.5;
}

/* Exam timer */
.academy-exam-timer {
  position: sticky;
  top: 88px;
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  z-index: 10;
  box-shadow: var(--shadow-sm);
}

.academy-exam-timer-label {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.academy-exam-timer-value {
  font-size: 1.25rem;
  font-weight: 700;
  font-family: var(--font-code);
  color: var(--color-text-primary);
}

.academy-exam-timer-value.warning {
  color: var(--academy-orange);
}

.academy-exam-timer-value.danger {
  color: var(--academy-red);
  animation: pulse 1s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.academy-exam-progress-info {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

/*========== Certificate Section ==========*/
.academy-certificate-section {
  animation: fadeIn 0.3s ease;
  text-align: center;
}

.academy-certificate-header {
  margin-bottom: 32px;
}

.academy-certificate-congrats {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.academy-certificate-congrats .gradient-text {
  background: linear-gradient(135deg, var(--academy-green) 0%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.academy-certificate-msg {
  font-size: 1.0625rem;
  color: var(--color-text-secondary);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Certificate canvas preview */
.academy-certificate-preview {
  margin: 32px auto;
  max-width: 700px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.academy-certificate-preview canvas {
  width: 100%;
  height: auto;
  display: block;
}

/* Certificate actions */
.academy-certificate-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 24px;
}

/* Email form for diploma */
.academy-diploma-form {
  max-width: 480px;
  margin: 32px auto 0;
  padding: 24px;
  background: var(--color-bg-secondary);
  border-radius: 12px;
  border: 1px solid var(--color-border);
}

.academy-diploma-form h4 {
  font-size: 1.125rem;
  margin-bottom: 4px;
}

.academy-diploma-form p {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.academy-diploma-form-row {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}

.academy-diploma-form-row input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 0.9375rem;
  font-family: var(--font-primary);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
}

.academy-diploma-form-row input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.academy-diploma-form .consent-label {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  text-align: left;
  cursor: pointer;
  line-height: 1.5;
}

.academy-diploma-form .consent-label input[type="checkbox"] {
  margin-top: 3px;
  flex-shrink: 0;
}

.academy-diploma-sent {
  text-align: center;
  padding: 20px;
  color: var(--academy-green);
  font-weight: 600;
}

/*========== SVG Animation Styles ==========*/
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes drawLine {
  from { stroke-dashoffset: 1000; }
  to { stroke-dashoffset: 0; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.8); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes slideRight {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

.svg-float { animation: float 3s ease-in-out infinite; }
.svg-float-delay { animation: float 3s ease-in-out 0.5s infinite; }
.svg-float-delay2 { animation: float 3s ease-in-out 1s infinite; }
.svg-spin-slow { animation: spinSlow 20s linear infinite; }
.svg-fade-in { animation: fadeInUp 0.6s ease forwards; }
.svg-scale-in { animation: scaleIn 0.5s ease forwards; }

.svg-draw {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: drawLine 2s ease forwards;
}

/* Staggered fade-in for SVG groups */
.svg-stagger > *:nth-child(1) { animation: fadeInUp 0.5s ease 0.1s both; }
.svg-stagger > *:nth-child(2) { animation: fadeInUp 0.5s ease 0.2s both; }
.svg-stagger > *:nth-child(3) { animation: fadeInUp 0.5s ease 0.3s both; }
.svg-stagger > *:nth-child(4) { animation: fadeInUp 0.5s ease 0.4s both; }
.svg-stagger > *:nth-child(5) { animation: fadeInUp 0.5s ease 0.5s both; }
.svg-stagger > *:nth-child(6) { animation: fadeInUp 0.5s ease 0.6s both; }
.svg-stagger > *:nth-child(7) { animation: fadeInUp 0.5s ease 0.7s both; }

/*========== Locked overlay ==========*/
.academy-locked-overlay {
  text-align: center;
  padding: 60px 24px;
}

.academy-locked-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-bg-accent);
  color: var(--color-text-muted);
}

.academy-locked-msg {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.academy-locked-sub {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/*========== Signup / Signin Modal ==========*/
.academy-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 10000;
  justify-content: center;
  align-items: center;
  padding: 24px;
}

.academy-modal-overlay.open {
  display: flex;
}

.academy-modal {
  background: var(--color-bg-primary);
  border-radius: 16px;
  box-shadow: var(--shadow-xl, 0 25px 50px rgba(0,0,0,0.15));
  max-width: 520px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 32px;
  position: relative;
}

.academy-modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text-muted);
  cursor: pointer;
  line-height: 1;
  padding: 4px 8px;
}

.academy-modal-close:hover {
  color: var(--color-text-primary);
}

.academy-modal-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text-primary);
}

.academy-modal-desc {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.academy-modal-field {
  margin-bottom: 14px;
}

.academy-modal-field label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 4px;
}

.academy-modal-field label .required {
  color: var(--academy-red);
}

.academy-modal-field input[type="text"],
.academy-modal-field input[type="email"] {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 0.875rem;
  font-family: var(--font-primary);
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  transition: var(--transition-normal);
}

.academy-modal-field input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.academy-dbms-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 16px;
  margin-top: 6px;
}

.academy-dbms-option {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  cursor: pointer;
}

.academy-dbms-option input[type="checkbox"] {
  accent-color: var(--color-primary);
  width: 16px;
  height: 16px;
}

.academy-dbms-other {
  grid-column: 1 / -1;
}

.academy-dbms-other-input {
  width: 120px;
  padding: 4px 8px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 0.8125rem;
  font-family: var(--font-primary);
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  margin-left: 4px;
}

.academy-modal-error {
  background: rgba(239, 68, 68, 0.1);
  color: var(--academy-red);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.8125rem;
  margin-bottom: 12px;
}

.academy-modal-success {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(40, 167, 69, 0.1);
  color: var(--academy-green);
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 0.875rem;
  margin-bottom: 12px;
}

@media (max-width: 480px) {
  .academy-modal {
    padding: 24px 20px;
  }

  .academy-dbms-grid {
    grid-template-columns: 1fr;
  }
}

/*========== Exam Signup Prompt ==========*/
.academy-signup-prompt {
  margin-top: 24px;
  padding: 20px 24px;
  background: linear-gradient(135deg, rgba(0, 102, 204, 0.05) 0%, rgba(0, 184, 169, 0.05) 100%);
  border: 1px solid rgba(0, 102, 204, 0.15);
  border-radius: 12px;
  text-align: center;
}

.academy-signup-prompt h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.academy-signup-prompt p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

/*========== Confirmation Progress Popup ==========*/
.academy-confirm-progress {
  margin-top: 20px;
}

.academy-confirm-progress-bar {
  height: 6px;
  background: var(--color-bg-secondary);
  border-radius: 3px;
  overflow: hidden;
}

.academy-confirm-progress-fill {
  height: 100%;
  width: 30%;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: 3px;
  animation: confirmProgress 1.5s ease-in-out infinite;
}

@keyframes confirmProgress {
  0%   { width: 10%; margin-left: 0; }
  50%  { width: 40%; margin-left: 30%; }
  100% { width: 10%; margin-left: 90%; }
}

.academy-confirm-status {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-top: 12px;
}

/*========== Print styles for certificate ==========*/
@media print {
  .site-header, .site-footer, .academy-sidebar,
  .academy-lesson-nav, .academy-sidebar-toggle,
  .academy-certificate-actions, .academy-diploma-form { display: none !important; }

  .academy-main { padding: 0; max-width: 100%; }
  .academy-course-page { padding-top: 0; }
}