/**
 * Youth Tech Enabler Portal - Complete Stylesheet (part3_css.css)
 * Production-ready, theme-isolated CSS for WordPress LMS Plugin
 *
 * Scope: All selectors are strictly nested within #oa-wrap or #oa-wrap.oa-dark
 * Aesthetics: Modern, clean, educational aesthetic with high-contrast accessibility
 */

/* ==========================================================================
   0. KEYFRAME ANIMATIONS (GLOBAL DEFINITIONS)
   ========================================================================== */

@keyframes oa-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes oa-slide-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes oa-pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes oa-spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes oa-flame-flicker {
  0% {
    transform: translateX(-50%) rotate(-45deg) scale(1);
    box-shadow: 0 0 16px rgba(239, 68, 68, 0.6), 0 0 30px rgba(245, 158, 11, 0.4);
  }
  50% {
    transform: translateX(-50%) rotate(-47deg) scale(1.08, 0.95);
    box-shadow: 0 0 24px rgba(239, 68, 68, 0.8), 0 0 40px rgba(245, 158, 11, 0.6);
  }
  100% {
    transform: translateX(-50%) rotate(-43deg) scale(0.96, 1.06);
    box-shadow: 0 0 18px rgba(239, 68, 68, 0.65), 0 0 32px rgba(245, 158, 11, 0.45);
  }
}

@keyframes oa-flame-inner {
  0% {
    transform: translateX(-50%) rotate(-45deg) scale(1);
    opacity: 0.85;
  }
  100% {
    transform: translateX(-50%) rotate(-45deg) scale(1.15);
    opacity: 1;
  }
}

@keyframes oa-badge-glow {
  0%, 100% {
    box-shadow: 0 0 12px rgba(37, 99, 235, 0.35);
  }
  50% {
    box-shadow: 0 0 24px rgba(37, 99, 235, 0.65);
  }
}


/* ==========================================================================
   1. ROOT LAYOUT & WRAPPER SCOPING
   ========================================================================== */

#oa-wrap {
  --oa-primary: #2563eb;
  --oa-primary-hover: #1d4ed8;
  --oa-primary-light: #eff6ff;
  --oa-primary-border: #bfdbfe;
  --oa-success: #16a34a;
  --oa-success-hover: #15803d;
  --oa-success-light: #dcfce7;
  --oa-warning: #d97706;
  --oa-warning-hover: #b45309;
  --oa-warning-light: #fef3c7;
  --oa-danger: #dc2626;
  --oa-danger-hover: #b91c1c;
  --oa-danger-light: #fee2e2;
  --oa-bg: #f8fafc;
  --oa-card-bg: #ffffff;
  --oa-text: #1e293b;
  --oa-text-muted: #64748b;
  --oa-border: #e2e8f0;
  --oa-border-strong: #cbd5e1;
  --oa-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --oa-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --oa-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --oa-radius: 8px;
  --oa-radius-lg: 12px;
  --oa-radius-full: 9999px;
  --oa-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  font-family: var(--oa-font);
  box-sizing: border-box;
  max-width: 1200px;
  margin: 20px auto;
  padding: 0;
  background-color: var(--oa-bg);
  color: var(--oa-text);
  line-height: 1.6;
  border-radius: var(--oa-radius-lg);
  border: 1px solid var(--oa-border);
  box-shadow: var(--oa-shadow-md);
  overflow: hidden;
  position: relative;
  text-align: left;
}

/* Ensure universal box-sizing inside wrapper to prevent theme disruptions */
#oa-wrap *,
#oa-wrap *::before,
#oa-wrap *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

#oa-wrap img,
#oa-wrap svg {
  vertical-align: middle;
  max-width: 100%;
}

#oa-wrap a {
  text-decoration: none;
  color: var(--oa-primary);
  transition: color 0.2s ease;
}

#oa-wrap a:hover {
  color: var(--oa-primary-hover);
}


/* ==========================================================================
   2. HEADER & TOP CONTROLS
   ========================================================================== */

#oa-wrap #oa-header {
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  color: #ffffff;
  padding: 24px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  position: relative;
  box-shadow: var(--oa-shadow-md);
}

#oa-wrap .oa-header-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

#oa-wrap .oa-header-logo {
  width: 48px;
  height: 48px;
  background-color: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(4px);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #ffffff;
  font-size: 1.5rem;
  font-weight: 700;
  flex-shrink: 0;
}

#oa-wrap .oa-header-logo svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

#oa-wrap .oa-header-title-wrap {
  display: flex;
  flex-direction: column;
}

#oa-wrap .oa-portal-title,
#oa-wrap #oa-header h1,
#oa-wrap #oa-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.25;
  margin: 0;
  letter-spacing: -0.02em;
}

#oa-wrap .oa-portal-subtitle {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.85);
  margin-top: 4px;
}

#oa-wrap #oa-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

#oa-wrap .oa-lang-toggle,
#oa-wrap .oa-control-btn,
#oa-wrap .oa-theme-btn {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
  backdrop-filter: blur(4px);
}

#oa-wrap .oa-lang-toggle:hover,
#oa-wrap .oa-control-btn:hover,
#oa-wrap .oa-theme-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-1px);
}

#oa-wrap .oa-lang-select {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  outline: none;
  backdrop-filter: blur(4px);
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 8px center;
  background-size: 14px;
  padding-right: 28px;
}

#oa-wrap .oa-lang-select option {
  background-color: #1e293b;
  color: #ffffff;
}


/* ==========================================================================
   3. TAB NAVIGATION & PANELS
   ========================================================================== */

#oa-wrap #oa-tab-nav {
  display: flex;
  flex-direction: row;
  align-items: center;
  background-color: var(--oa-card-bg);
  border-bottom: 2px solid var(--oa-border);
  padding: 0 24px;
  gap: 8px;
  position: sticky;
  top: 0;
  z-index: 20;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: thin;
}

#oa-wrap #oa-tab-nav::-webkit-scrollbar {
  height: 4px;
}

#oa-wrap #oa-tab-nav::-webkit-scrollbar-thumb {
  background-color: var(--oa-border-strong);
  border-radius: 4px;
}

#oa-wrap .oa-tab-btn {
  padding: 16px 20px;
  border: none;
  border-bottom: 3px solid transparent;
  background: none;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--oa-text-muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
  position: relative;
  outline: none;
  text-decoration: none;
  margin-bottom: -2px;
}

#oa-wrap .oa-tab-btn svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  transition: transform 0.2s ease;
}

#oa-wrap .oa-tab-btn:hover {
  color: var(--oa-primary);
  background: rgba(37, 99, 235, 0.04);
}

#oa-wrap .oa-tab-btn:hover svg {
  transform: translateY(-1px);
}

#oa-wrap .oa-tab-btn.oa-tab-active {
  color: var(--oa-primary);
  border-bottom: 3px solid var(--oa-primary);
  font-weight: 700;
  background: transparent;
}

#oa-wrap .oa-tab-content-area {
  padding: 28px 32px;
  min-height: 520px;
}

#oa-wrap .oa-tab-panel {
  display: none;
  animation: oa-fade-in 0.25s ease-in-out;
}

#oa-wrap .oa-tab-panel.oa-active {
  display: block;
}


/* ==========================================================================
   4. BUTTONS (GLOBAL DEFINITIONS INSIDE #oa-wrap)
   ========================================================================== */

#oa-wrap .oa-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--oa-radius);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  line-height: 1.4;
  outline: none;
  user-select: none;
  white-space: nowrap;
}

#oa-wrap .oa-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--oa-shadow-sm);
}

#oa-wrap .oa-btn:active {
  transform: translateY(0);
}

#oa-wrap .oa-btn:disabled,
#oa-wrap .oa-btn.oa-disabled {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
  box-shadow: none;
  transform: none;
}

/* Primary Button */
#oa-wrap .oa-btn-primary {
  background-color: var(--oa-primary);
  color: #ffffff;
  border-color: var(--oa-primary);
}

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

/* Success Button */
#oa-wrap .oa-btn-success {
  background-color: var(--oa-success);
  color: #ffffff;
  border-color: var(--oa-success);
}

#oa-wrap .oa-btn-success:hover {
  background-color: var(--oa-success-hover);
  border-color: var(--oa-success-hover);
  color: #ffffff;
}

/* Danger Button */
#oa-wrap .oa-btn-danger {
  background-color: var(--oa-danger);
  color: #ffffff;
  border-color: var(--oa-danger);
}

#oa-wrap .oa-btn-danger:hover {
  background-color: var(--oa-danger-hover);
  border-color: var(--oa-danger-hover);
  color: #ffffff;
}

/* Warning Button */
#oa-wrap .oa-btn-warning {
  background-color: var(--oa-warning);
  color: #ffffff;
  border-color: var(--oa-warning);
}

#oa-wrap .oa-btn-warning:hover {
  background-color: var(--oa-warning-hover);
  border-color: var(--oa-warning-hover);
  color: #ffffff;
}

/* Secondary Button */
#oa-wrap .oa-btn-secondary {
  background-color: #f1f5f9;
  color: #334155;
  border-color: var(--oa-border-strong);
}

#oa-wrap .oa-btn-secondary:hover {
  background-color: #e2e8f0;
  color: #0f172a;
}

/* Small Button Variant */
#oa-wrap .oa-btn-sm {
  padding: 6px 12px;
  font-size: 0.85rem;
  border-radius: 6px;
}

/* Large Button Variant */
#oa-wrap .oa-btn-lg {
  padding: 14px 28px;
  font-size: 1.1rem;
  border-radius: var(--oa-radius);
}


/* ==========================================================================
   5. EDUCATION TAB (MODULES, LESSONS & PROGRESS)
   ========================================================================== */

#oa-wrap #oa-edu-layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 24px;
  align-items: start;
}

/* Sidebar Module List */
#oa-wrap #oa-module-list {
  background-color: var(--oa-card-bg);
  border: 1px solid var(--oa-border);
  border-radius: var(--oa-radius);
  max-height: 600px;
  overflow-y: auto;
  box-shadow: var(--oa-shadow-sm);
  scrollbar-width: thin;
}

#oa-wrap #oa-module-list::-webkit-scrollbar {
  width: 6px;
}

#oa-wrap #oa-module-list::-webkit-scrollbar-thumb {
  background-color: var(--oa-border-strong);
  border-radius: 3px;
}

#oa-wrap .oa-module-header {
  padding: 16px;
  font-weight: 700;
  font-size: 1rem;
  border-bottom: 1px solid var(--oa-border);
  background-color: #f8fafc;
  color: var(--oa-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#oa-wrap .oa-module-item {
  padding: 14px 16px;
  cursor: pointer;
  border-left: 3px solid transparent;
  border-bottom: 1px solid var(--oa-border);
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background-color: var(--oa-card-bg);
}

#oa-wrap .oa-module-item:last-child {
  border-bottom: none;
}

#oa-wrap .oa-module-item:hover {
  background-color: #f1f5f9;
  border-left-color: var(--oa-border-strong);
}

#oa-wrap .oa-module-item.oa-selected {
  border-left-color: var(--oa-primary);
  background-color: var(--oa-primary-light);
  color: var(--oa-primary);
}

#oa-wrap .oa-module-item.oa-selected .oa-module-title {
  color: var(--oa-primary);
  font-weight: 700;
}

#oa-wrap .oa-module-title {
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--oa-text);
  line-height: 1.35;
}

#oa-wrap .oa-module-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.775rem;
  color: var(--oa-text-muted);
}

/* Lesson Area */
#oa-wrap #oa-lesson-area {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

#oa-wrap .oa-module-banner {
  background: var(--oa-card-bg);
  border: 1px solid var(--oa-border);
  border-radius: var(--oa-radius);
  padding: 20px 24px;
  box-shadow: var(--oa-shadow-sm);
  margin-bottom: 8px;
}

#oa-wrap .oa-module-banner h3 {
  font-size: 1.35rem;
  color: var(--oa-text);
  margin-bottom: 8px;
  font-weight: 700;
}

#oa-wrap .oa-module-banner p {
  color: var(--oa-text-muted);
  font-size: 0.95rem;
}

/* Lesson Accordion */
#oa-wrap .oa-lesson-accordion {
  border: 1px solid var(--oa-border);
  border-radius: var(--oa-radius);
  background-color: var(--oa-card-bg);
  box-shadow: var(--oa-shadow-sm);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color 0.2s ease;
}

#oa-wrap .oa-lesson-accordion:hover {
  border-color: var(--oa-border-strong);
}

#oa-wrap .oa-lesson-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  cursor: pointer;
  background-color: var(--oa-card-bg);
  transition: background-color 0.2s ease;
  user-select: none;
  font-weight: 600;
  color: var(--oa-text);
}

#oa-wrap .oa-lesson-header:hover {
  background-color: #f8fafc;
}

#oa-wrap .oa-lesson-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

#oa-wrap .oa-lesson-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background-color: var(--oa-primary-light);
  color: var(--oa-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
}

#oa-wrap .oa-lesson-chevron {
  width: 20px;
  height: 20px;
  color: var(--oa-text-muted);
  transition: transform 0.25s ease;
}

#oa-wrap .oa-lesson-accordion.oa-expanded .oa-lesson-chevron {
  transform: rotate(180deg);
}

#oa-wrap .oa-lesson-body {
  display: none;
  padding: 24px;
  overflow: hidden;
  border-top: 1px solid var(--oa-border);
  background-color: var(--oa-card-bg);
  line-height: 1.7;
  color: var(--oa-text);
}

#oa-wrap .oa-lesson-body.oa-open {
  display: block;
  animation: oa-slide-up 0.25s ease;
}

#oa-wrap .oa-lesson-body p {
  margin-bottom: 16px;
}

#oa-wrap .oa-lesson-body p:last-child {
  margin-bottom: 0;
}

#oa-wrap .oa-lesson-footer {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--oa-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* Progress Bar Component */
#oa-wrap .oa-progress-wrap {
  width: 100%;
  margin: 10px 0;
}

#oa-wrap .oa-progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--oa-text-muted);
  margin-bottom: 6px;
  font-weight: 500;
}

#oa-wrap .oa-progress-bar {
  height: 6px;
  background-color: #e2e8f0;
  border-radius: var(--oa-radius-full);
  overflow: hidden;
  position: relative;
  width: 100%;
}

#oa-wrap .oa-progress-fill {
  height: 100%;
  background-color: var(--oa-primary);
  border-radius: var(--oa-radius-full);
  transition: width 0.4s ease;
  width: 0%;
}

/* Lesson Completion Button */
#oa-wrap .oa-complete-btn {
  padding: 8px 16px;
  font-size: 0.875rem;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--oa-border-strong);
  background-color: #ffffff;
  color: var(--oa-text);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

#oa-wrap .oa-complete-btn:hover {
  background-color: #f1f5f9;
  border-color: var(--oa-text-muted);
}

#oa-wrap .oa-complete-btn.oa-completed {
  background-color: var(--oa-success);
  color: #ffffff;
  border-color: var(--oa-success);
}

#oa-wrap .oa-complete-btn.oa-completed:hover {
  background-color: var(--oa-success-hover);
}


/* ==========================================================================
   6. QUIZ ZONE & CUSTOM TEST BUILDER
   ========================================================================== */

#oa-wrap #oa-quiz-wrap {
  max-width: 800px;
  margin: 0 auto;
}

#oa-wrap .oa-quiz-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--oa-border);
}

/* Module Selection Grid for Quizzes */
#oa-wrap .oa-quiz-module-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

#oa-wrap .oa-quiz-module-btn {
  background: var(--oa-card-bg);
  border: 1px solid var(--oa-border);
  border-radius: var(--oa-radius);
  padding: 20px;
  cursor: pointer;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: var(--oa-shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  user-select: none;
}

#oa-wrap .oa-quiz-module-btn:hover {
  transform: translateY(-4px);
  box-shadow: var(--oa-shadow-md);
  border-color: var(--oa-primary-border);
}

#oa-wrap .oa-quiz-module-btn.oa-selected {
  border: 2px solid var(--oa-primary);
  background-color: var(--oa-primary-light);
  box-shadow: 0 0 0 1px var(--oa-primary);
}

#oa-wrap .oa-quiz-module-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--oa-primary);
  font-size: 1.25rem;
}

#oa-wrap .oa-quiz-module-btn.oa-selected .oa-quiz-module-icon {
  background-color: #ffffff;
}

#oa-wrap .oa-quiz-module-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--oa-text);
}

/* Quiz Timer */
#oa-wrap #oa-quiz-timer {
  font-size: 2.25rem;
  font-weight: 800;
  text-align: center;
  margin: 16px auto;
  letter-spacing: 0.05em;
  font-variant-numeric: tabular-nums;
  color: var(--oa-success);
  transition: color 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

#oa-wrap #oa-quiz-timer.oa-timer-warning {
  color: var(--oa-warning);
}

#oa-wrap #oa-quiz-timer.oa-timer-danger {
  color: var(--oa-danger);
  animation: oa-pulse 0.8s infinite;
}

/* Question Card */
#oa-wrap .oa-question-card {
  background-color: var(--oa-card-bg);
  border: 1px solid var(--oa-border);
  border-radius: var(--oa-radius-lg);
  padding: 28px;
  margin-bottom: 24px;
  box-shadow: var(--oa-shadow-md);
  position: relative;
  animation: oa-fade-in 0.25s ease;
}

#oa-wrap .oa-question-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

#oa-wrap .oa-question-number {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--oa-text-muted);
  letter-spacing: 0.05em;
}

#oa-wrap .oa-question-text {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--oa-text);
  line-height: 1.5;
  margin-bottom: 24px;
}

/* Difficulty Badges */
#oa-wrap .oa-difficulty-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--oa-radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

#oa-wrap .oa-difficulty-badge.oa-easy,
#oa-wrap .oa-difficulty-badge[data-diff="easy"],
#oa-wrap .oa-difficulty-badge[data-difficulty="easy"] {
  background-color: var(--oa-success-light);
  color: var(--oa-success);
  border: 1px solid rgba(22, 163, 74, 0.2);
}

#oa-wrap .oa-difficulty-badge.oa-medium,
#oa-wrap .oa-difficulty-badge[data-diff="medium"],
#oa-wrap .oa-difficulty-badge[data-difficulty="medium"] {
  background-color: var(--oa-warning-light);
  color: var(--oa-warning);
  border: 1px solid rgba(217, 119, 6, 0.2);
}

#oa-wrap .oa-difficulty-badge.oa-hard,
#oa-wrap .oa-difficulty-badge[data-diff="hard"],
#oa-wrap .oa-difficulty-badge[data-difficulty="hard"] {
  background-color: var(--oa-danger-light);
  color: var(--oa-danger);
  border: 1px solid rgba(220, 38, 38, 0.2);
}

/* Quiz Options */
#oa-wrap .oa-options-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#oa-wrap .oa-option {
  display: flex;
  flex-direction: row;
  align-items: center;
  padding: 14px 18px;
  border: 1.5px solid var(--oa-border-strong);
  border-radius: var(--oa-radius);
  background-color: var(--oa-card-bg);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  gap: 14px;
  color: var(--oa-text);
  font-size: 0.975rem;
  user-select: none;
}

#oa-wrap .oa-option:hover {
  background-color: #f8fafc;
  border-color: var(--oa-primary);
  transform: translateX(2px);
}

#oa-wrap .oa-option-indicator {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--oa-border-strong);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  transition: all 0.2s ease;
}

#oa-wrap .oa-option.oa-selected {
  border-color: var(--oa-primary);
  background-color: var(--oa-primary-light);
}

#oa-wrap .oa-option.oa-selected .oa-option-indicator {
  border-color: var(--oa-primary);
  background-color: var(--oa-primary);
  color: #ffffff;
}

/* Correct and Wrong feedback states */
#oa-wrap .oa-option.oa-correct {
  background-color: #dcfce7;
  border-color: #16a34a;
  color: #14532d;
  font-weight: 600;
}

#oa-wrap .oa-option.oa-correct .oa-option-indicator {
  background-color: #16a34a;
  border-color: #16a34a;
  color: #ffffff;
}

#oa-wrap .oa-option.oa-wrong {
  background-color: #fee2e2;
  border-color: #dc2626;
  color: #7f1d1d;
}

#oa-wrap .oa-option.oa-wrong .oa-option-indicator {
  background-color: #dc2626;
  border-color: #dc2626;
  color: #ffffff;
}

/* Explanation block */
#oa-wrap .oa-explanation {
  font-style: italic;
  color: var(--oa-text-muted);
  margin-top: 18px;
  padding: 14px 18px;
  background-color: #f8fafc;
  border-left: 4px solid var(--oa-border-strong);
  border-radius: 4px;
  display: none;
  font-size: 0.925rem;
  line-height: 1.55;
}

#oa-wrap .oa-explanation.oa-visible {
  display: block;
  animation: oa-fade-in 0.3s ease;
}

/* Score Display Screen */
#oa-wrap #oa-score-display {
  font-size: 3rem;
  font-weight: 800;
  text-align: center;
  margin: 20px auto;
  color: var(--oa-primary);
  animation: oa-pulse 1.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

#oa-wrap .oa-score-card {
  background-color: var(--oa-card-bg);
  border: 1px solid var(--oa-border);
  border-radius: var(--oa-radius-lg);
  padding: 36px 24px;
  text-align: center;
  box-shadow: var(--oa-shadow-lg);
  max-width: 600px;
  margin: 0 auto;
}

#oa-wrap .oa-score-breakdown {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 24px 0;
  padding: 16px;
  background-color: #f8fafc;
  border-radius: var(--oa-radius);
}

#oa-wrap .oa-score-stat-num {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--oa-text);
}

#oa-wrap .oa-score-stat-lbl {
  font-size: 0.8rem;
  color: var(--oa-text-muted);
}

/* Custom Test Builder */
#oa-wrap .oa-builder-section {
  border: 1px solid var(--oa-border);
  border-radius: var(--oa-radius-lg);
  padding: 24px;
  background-color: var(--oa-card-bg);
  margin-bottom: 24px;
  box-shadow: var(--oa-shadow-sm);
}

#oa-wrap .oa-builder-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--oa-text);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--oa-border);
  display: flex;
  align-items: center;
  gap: 8px;
}

#oa-wrap .oa-module-checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  margin: 16px 0;
}

#oa-wrap .oa-checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 10px 14px;
  border: 1px solid var(--oa-border);
  border-radius: 6px;
  background-color: #f8fafc;
  transition: all 0.2s ease;
  font-size: 0.9rem;
  color: var(--oa-text);
  user-select: none;
}

#oa-wrap .oa-checkbox-label:hover {
  background-color: var(--oa-primary-light);
  border-color: var(--oa-primary-border);
}

#oa-wrap .oa-checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--oa-primary);
  cursor: pointer;
}


/* ==========================================================================
   7. LEADERBOARD
   ========================================================================== */

#oa-wrap #oa-lb-wrap {
  max-width: 900px;
  margin: 0 auto;
}

#oa-wrap .oa-lb-filters {
  display: flex;
  flex-direction: row;
  gap: 10px;
  margin-bottom: 24px;
  flex-wrap: wrap;
  align-items: center;
}

/* Must use oa-lb-filter-btn specifically */
#oa-wrap .oa-lb-filter-btn {
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--oa-radius-full);
  border: 1px solid var(--oa-border-strong);
  background-color: var(--oa-card-bg);
  color: var(--oa-text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  outline: none;
}

#oa-wrap .oa-lb-filter-btn:hover {
  color: var(--oa-primary);
  border-color: var(--oa-primary);
  background-color: #f8fafc;
}

#oa-wrap .oa-lb-filter-btn.oa-active {
  background-color: var(--oa-primary);
  color: #ffffff;
  border-color: var(--oa-primary);
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.25);
}

#oa-wrap .oa-lb-table-wrap {
  background: var(--oa-card-bg);
  border: 1px solid var(--oa-border);
  border-radius: var(--oa-radius-lg);
  overflow: hidden;
  box-shadow: var(--oa-shadow-sm);
  margin-bottom: 20px;
}

#oa-wrap .oa-lb-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

#oa-wrap .oa-lb-table th {
  background-color: var(--oa-primary);
  color: #ffffff;
  padding: 16px 20px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: none;
}

#oa-wrap .oa-lb-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--oa-border);
  color: var(--oa-text);
  vertical-align: middle;
  transition: background-color 0.15s ease;
}

#oa-wrap .oa-lb-table tbody tr:hover td {
  background-color: #f8fafc;
}

/* Top 3 Highlighting */
/* Rank 1: Gold */
#oa-wrap .oa-lb-table tr:first-child td,
#oa-wrap .oa-lb-table tbody tr:first-child td,
#oa-wrap .oa-lb-table tr.oa-rank-1 td {
  color: #ca8a04;
  font-weight: 700;
  background-color: rgba(254, 240, 138, 0.18);
}

/* Rank 2: Silver */
#oa-wrap .oa-lb-table tr:nth-child(2) td,
#oa-wrap .oa-lb-table tbody tr:nth-child(2) td,
#oa-wrap .oa-lb-table tr.oa-rank-2 td {
  color: #64748b;
  font-weight: 600;
  background-color: rgba(241, 245, 249, 0.6);
}

/* Rank 3: Bronze */
#oa-wrap .oa-lb-table tr:nth-child(3) td,
#oa-wrap .oa-lb-table tbody tr:nth-child(3) td,
#oa-wrap .oa-lb-table tr.oa-rank-3 td {
  color: #b45309;
  font-weight: 600;
  background-color: rgba(254, 215, 170, 0.18);
}

#oa-wrap .oa-lb-rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.85rem;
}

#oa-wrap .oa-lb-table tbody tr:first-child .oa-lb-rank-badge {
  background-color: #fef08a;
  color: #854d0e;
  border: 1px solid #facc15;
}

#oa-wrap .oa-lb-table tbody tr:nth-child(2) .oa-lb-rank-badge {
  background-color: #e2e8f0;
  color: #334155;
  border: 1px solid #cbd5e1;
}

#oa-wrap .oa-lb-table tbody tr:nth-child(3) .oa-lb-rank-badge {
  background-color: #ffedd5;
  color: #9a3412;
  border: 1px solid #fdba74;
}

/* Leaderboard Pagination */
#oa-wrap .oa-lb-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
}

#oa-wrap .oa-lb-page-btn,
#oa-wrap .oa-pagination-btn {
  padding: 8px 14px;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 6px;
  border: 1px solid var(--oa-border-strong);
  background-color: var(--oa-card-bg);
  color: var(--oa-text);
  cursor: pointer;
  transition: all 0.2s ease;
  min-width: 36px;
  text-align: center;
}

#oa-wrap .oa-lb-page-btn:hover,
#oa-wrap .oa-pagination-btn:hover {
  border-color: var(--oa-primary);
  color: var(--oa-primary);
  background-color: #f8fafc;
}

#oa-wrap .oa-lb-page-btn.oa-active,
#oa-wrap .oa-pagination-btn.oa-active {
  background-color: var(--oa-primary);
  color: #ffffff;
  border-color: var(--oa-primary);
}


/* ==========================================================================
   8. BADGES & ACHIEVEMENTS
   ========================================================================== */

#oa-wrap .oa-badge-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

#oa-wrap .oa-badge-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 24px 18px;
  background-color: var(--oa-card-bg);
  border: 1.5px solid var(--oa-border);
  border-radius: var(--oa-radius-lg);
  box-shadow: var(--oa-shadow-sm);
  transition: all 0.25s ease;
  position: relative;
}

#oa-wrap .oa-badge-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--oa-shadow-md);
}

/* 60x60 SVG Container */
#oa-wrap .oa-badge-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  border-radius: 50%;
  background: #f1f5f9;
  flex-shrink: 0;
}

#oa-wrap .oa-badge-icon svg {
  width: 36px;
  height: 36px;
}

#oa-wrap .oa-badge-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--oa-text);
  margin-bottom: 6px;
}

#oa-wrap .oa-badge-desc {
  font-size: 0.8rem;
  color: var(--oa-text-muted);
  line-height: 1.4;
}

/* Locked Badge State */
#oa-wrap .oa-badge-card.oa-locked {
  opacity: 0.4;
  filter: grayscale(100%);
  cursor: not-allowed;
  border-style: dashed;
}

#oa-wrap .oa-badge-card.oa-locked:hover {
  transform: none;
  box-shadow: var(--oa-shadow-sm);
}

/* Earned Badge State */
#oa-wrap .oa-badge-card.oa-earned {
  border-color: var(--oa-primary);
  box-shadow: 0 0 15px rgba(37, 99, 235, 0.35);
  animation: oa-pulse 0.8s ease-out;
}

#oa-wrap .oa-badge-card.oa-earned .oa-badge-icon {
  background-color: var(--oa-primary-light);
  color: var(--oa-primary);
}

/* Streak Display with CSS-Only Flame Effect */
#oa-wrap .oa-streak-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  margin: 28px auto;
  position: relative;
  padding: 16px 24px;
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1;
}

/* Pure CSS Flame Effect Container */
#oa-wrap .oa-streak-flame,
#oa-wrap .oa-streak-display::before {
  content: "";
  display: block;
  width: 44px;
  height: 44px;
  margin: 0 auto 12px;
  background: linear-gradient(135deg, #ef4444 0%, #f59e0b 60%, #fef08a 100%);
  border-radius: 0 50% 50% 50%;
  transform: rotate(-45deg);
  box-shadow: 0 0 18px rgba(239, 68, 68, 0.65), 0 0 32px rgba(245, 158, 11, 0.45);
  animation: oa-flame-flicker 1.8s ease-in-out infinite alternate;
}

#oa-wrap .oa-streak-count,
#oa-wrap .oa-streak-number {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(180deg, #f59e0b 0%, #ea580c 55%, #dc2626 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 2px 10px rgba(234, 88, 12, 0.35));
  margin-bottom: 6px;
  animation: oa-pulse 2.2s infinite ease-in-out;
}

#oa-wrap .oa-streak-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--oa-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}


/* ==========================================================================
   9. CERTIFICATE GENERATION & ACTIONS
   ========================================================================== */

#oa-wrap #oa-cert-wrap {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 0;
}

#oa-wrap #oa-cert-canvas {
  display: block;
  margin: 0 auto;
  border: 2px solid var(--oa-border-strong);
  border-radius: var(--oa-radius);
  box-shadow: var(--oa-shadow-lg);
  max-width: 100%;
  height: auto;
  background-color: #ffffff;
}

#oa-wrap .oa-cert-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  margin-top: 24px;
  flex-wrap: wrap;
}

#oa-wrap .oa-cert-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--oa-radius);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  text-decoration: none;
}

#oa-wrap .oa-cert-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--oa-shadow-md);
}

#oa-wrap .oa-cert-btn.oa-btn-primary {
  background-color: var(--oa-primary);
  color: #ffffff;
}

#oa-wrap .oa-cert-btn.oa-btn-success {
  background-color: var(--oa-success);
  color: #ffffff;
}

#oa-wrap .oa-cert-btn.oa-btn-warning {
  background-color: var(--oa-warning);
  color: #ffffff;
}


/* ==========================================================================
   10. VERIFY CERTIFICATE TAB
   ========================================================================== */

#oa-wrap #oa-verify-wrap {
  max-width: 500px;
  margin: 32px auto;
  text-align: center;
}

#oa-wrap .oa-verify-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--oa-text);
  margin-bottom: 8px;
}

#oa-wrap .oa-verify-desc {
  font-size: 0.95rem;
  color: var(--oa-text-muted);
  margin-bottom: 24px;
}

#oa-wrap #oa-verify-input {
  width: 100%;
  padding: 14px 18px;
  font-size: 1.05rem;
  border: 2px solid var(--oa-border-strong);
  border-radius: var(--oa-radius);
  background-color: #ffffff;
  color: var(--oa-text);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  margin-bottom: 16px;
  text-align: center;
  letter-spacing: 0.05em;
}

#oa-wrap #oa-verify-input:focus {
  border-color: var(--oa-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

#oa-wrap #oa-verify-result {
  background-color: var(--oa-card-bg);
  border-radius: var(--oa-radius-lg);
  padding: 24px;
  margin-top: 24px;
  display: none;
  text-align: left;
  box-shadow: var(--oa-shadow-md);
  border: 2px solid var(--oa-border);
  animation: oa-fade-in 0.3s ease;
}

#oa-wrap #oa-verify-result.oa-valid {
  display: block;
  border-color: var(--oa-success);
  background-color: #f0fdf4;
}

#oa-wrap #oa-verify-result.oa-invalid {
  display: block;
  border-color: var(--oa-danger);
  background-color: #fef2f2;
}

#oa-wrap .oa-verify-badge-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 12px;
}

#oa-wrap #oa-verify-result.oa-valid .oa-verify-badge-status {
  color: var(--oa-success);
}

#oa-wrap #oa-verify-result.oa-invalid .oa-verify-badge-status {
  color: var(--oa-danger);
}


/* ==========================================================================
   11. PRACTICAL TASKS
   ========================================================================== */

#oa-wrap .oa-task-card {
  background-color: var(--oa-card-bg);
  border: 1px solid var(--oa-border);
  border-radius: var(--oa-radius);
  padding: 20px 24px;
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  box-shadow: var(--oa-shadow-sm);
  transition: all 0.2s ease;
}

#oa-wrap .oa-task-card:hover {
  border-color: var(--oa-border-strong);
  box-shadow: var(--oa-shadow-md);
}

#oa-wrap .oa-task-number {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--oa-primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  flex-shrink: 0;
}

#oa-wrap .oa-task-body {
  flex: 1;
}

#oa-wrap .oa-task-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--oa-text);
  margin-bottom: 6px;
}

#oa-wrap .oa-task-desc {
  font-size: 0.925rem;
  color: var(--oa-text-muted);
  line-height: 1.5;
}

#oa-wrap .oa-task-done {
  width: 24px;
  height: 24px;
  cursor: pointer;
  accent-color: var(--oa-success);
  margin-top: 4px;
  flex-shrink: 0;
}

#oa-wrap .oa-task-card.oa-task-completed {
  background-color: #f0fdf4;
  border-color: var(--oa-success);
}

#oa-wrap .oa-task-card.oa-task-completed .oa-task-number {
  background-color: var(--oa-success);
}

#oa-wrap .oa-task-card.oa-task-completed .oa-task-title {
  text-decoration: line-through;
  color: #166534;
}


/* ==========================================================================
   12. LOADING STATES & SPINNERS
   ========================================================================== */

#oa-wrap .oa-loading {
  position: relative;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

#oa-wrap .oa-loading::after {
  content: "";
  display: block;
  width: 32px;
  height: 32px;
  border: 3.5px solid rgba(37, 99, 235, 0.2);
  border-top-color: var(--oa-primary);
  border-radius: 50%;
  animation: oa-spin 0.75s linear infinite;
}

#oa-wrap .oa-btn.oa-loading {
  color: transparent !important;
  position: relative;
  pointer-events: none;
}

#oa-wrap .oa-btn.oa-loading::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  top: 50%;
  left: 50%;
  margin-top: -9px;
  margin-left: -9px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: oa-spin 0.6s linear infinite;
}


/* ==========================================================================
   13. DARK MODE (ALL SCOPED UNDER #oa-wrap.oa-dark)
   Note: Using !important on colors/backgrounds to beat WordPress themes
   ========================================================================== */

#oa-wrap.oa-dark {
  --oa-bg: #0f172a;
  --oa-card-bg: #1e293b;
  --oa-text: #f1f5f9;
  --oa-text-muted: #94a3b8;
  --oa-border: #334155;
  --oa-border-strong: #475569;
  --oa-primary-light: rgba(37, 99, 235, 0.18);

  background-color: #0f172a !important;
  color: #f1f5f9 !important;
  border-color: #334155 !important;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5) !important;
}

/* Header in Dark Mode */
#oa-wrap.oa-dark #oa-header {
  background: linear-gradient(135deg, #1e3a8a 0%, #4c1d95 100%) !important;
  border-bottom: 1px solid #334155 !important;
}

#oa-wrap.oa-dark .oa-header-logo {
  background-color: rgba(255, 255, 255, 0.1) !important;
  border-color: rgba(255, 255, 255, 0.2) !important;
}

#oa-wrap.oa-dark #oa-header h1,
#oa-wrap.oa-dark #oa-header h2,
#oa-wrap.oa-dark .oa-portal-title {
  color: #ffffff !important;
}

#oa-wrap.oa-dark .oa-portal-subtitle {
  color: rgba(255, 255, 255, 0.75) !important;
}

/* Tab Navigation Dark */
#oa-wrap.oa-dark #oa-tab-nav {
  background-color: #1e293b !important;
  border-bottom-color: #334155 !important;
}

#oa-wrap.oa-dark .oa-tab-btn {
  color: #94a3b8 !important;
}

#oa-wrap.oa-dark .oa-tab-btn:hover {
  color: #60a5fa !important;
  background-color: rgba(59, 130, 246, 0.08) !important;
}

#oa-wrap.oa-dark .oa-tab-btn.oa-tab-active {
  color: #60a5fa !important;
  border-bottom-color: #3b82f6 !important;
}

/* Secondary Button Dark */
#oa-wrap.oa-dark .oa-btn-secondary {
  background-color: #334155 !important;
  color: #f1f5f9 !important;
  border-color: #475569 !important;
}

#oa-wrap.oa-dark .oa-btn-secondary:hover {
  background-color: #475569 !important;
  color: #ffffff !important;
}

/* Education Sidebar & Accordions Dark */
#oa-wrap.oa-dark #oa-module-list {
  background-color: #1e293b !important;
  border-color: #334155 !important;
}

#oa-wrap.oa-dark .oa-module-header {
  background-color: #0f172a !important;
  border-bottom-color: #334155 !important;
  color: #f1f5f9 !important;
}

#oa-wrap.oa-dark .oa-module-item {
  background-color: #1e293b !important;
  border-bottom-color: #334155 !important;
  color: #f1f5f9 !important;
}

#oa-wrap.oa-dark .oa-module-item:hover {
  background-color: #243046 !important;
}

#oa-wrap.oa-dark .oa-module-item.oa-selected {
  background-color: rgba(37, 99, 235, 0.22) !important;
  border-left-color: #3b82f6 !important;
}

#oa-wrap.oa-dark .oa-module-item.oa-selected .oa-module-title {
  color: #93c5fd !important;
}

#oa-wrap.oa-dark .oa-module-title {
  color: #f1f5f9 !important;
}

#oa-wrap.oa-dark .oa-module-meta {
  color: #94a3b8 !important;
}

#oa-wrap.oa-dark .oa-module-banner {
  background-color: #1e293b !important;
  border-color: #334155 !important;
}

#oa-wrap.oa-dark .oa-module-banner h3 {
  color: #f1f5f9 !important;
}

#oa-wrap.oa-dark .oa-module-banner p {
  color: #94a3b8 !important;
}

#oa-wrap.oa-dark .oa-lesson-accordion {
  background-color: #1e293b !important;
  border-color: #334155 !important;
}

#oa-wrap.oa-dark .oa-lesson-header {
  background-color: #1e293b !important;
  color: #f1f5f9 !important;
}

#oa-wrap.oa-dark .oa-lesson-header:hover {
  background-color: #243046 !important;
}

#oa-wrap.oa-dark .oa-lesson-body {
  background-color: #1e293b !important;
  border-top-color: #334155 !important;
  color: #e2e8f0 !important;
}

#oa-wrap.oa-dark .oa-lesson-footer {
  border-top-color: #334155 !important;
}

#oa-wrap.oa-dark .oa-progress-bar {
  background-color: #334155 !important;
}

#oa-wrap.oa-dark .oa-complete-btn {
  background-color: #1e293b !important;
  color: #f1f5f9 !important;
  border-color: #475569 !important;
}

#oa-wrap.oa-dark .oa-complete-btn:hover {
  background-color: #334155 !important;
}

#oa-wrap.oa-dark .oa-complete-btn.oa-completed {
  background-color: #16a34a !important;
  color: #ffffff !important;
  border-color: #16a34a !important;
}

/* Quiz Dark Styles */
#oa-wrap.oa-dark .oa-quiz-module-btn {
  background-color: #1e293b !important;
  border-color: #334155 !important;
}

#oa-wrap.oa-dark .oa-quiz-module-btn:hover {
  border-color: #3b82f6 !important;
}

#oa-wrap.oa-dark .oa-quiz-module-btn.oa-selected {
  border-color: #3b82f6 !important;
  background-color: rgba(37, 99, 235, 0.25) !important;
}

#oa-wrap.oa-dark .oa-quiz-module-icon {
  background-color: #0f172a !important;
  color: #60a5fa !important;
}

#oa-wrap.oa-dark .oa-quiz-module-title {
  color: #f1f5f9 !important;
}

#oa-wrap.oa-dark .oa-question-card {
  background-color: #1e293b !important;
  border-color: #334155 !important;
}

#oa-wrap.oa-dark .oa-question-text {
  color: #f1f5f9 !important;
}

#oa-wrap.oa-dark .oa-option {
  background-color: #1e293b !important;
  border-color: #334155 !important;
  color: #f1f5f9 !important;
}

#oa-wrap.oa-dark .oa-option:hover {
  background-color: #273549 !important;
  border-color: #60a5fa !important;
}

#oa-wrap.oa-dark .oa-option-indicator {
  border-color: #475569 !important;
}

#oa-wrap.oa-dark .oa-option.oa-selected {
  border-color: #3b82f6 !important;
  background-color: rgba(37, 99, 235, 0.25) !important;
}

#oa-wrap.oa-dark .oa-option.oa-selected .oa-option-indicator {
  border-color: #3b82f6 !important;
  background-color: #3b82f6 !important;
}

#oa-wrap.oa-dark .oa-option.oa-correct {
  background-color: rgba(22, 163, 74, 0.25) !important;
  border-color: #16a34a !important;
  color: #86efac !important;
}

#oa-wrap.oa-dark .oa-option.oa-correct .oa-option-indicator {
  background-color: #16a34a !important;
  border-color: #16a34a !important;
}

#oa-wrap.oa-dark .oa-option.oa-wrong {
  background-color: rgba(220, 38, 38, 0.25) !important;
  border-color: #dc2626 !important;
  color: #fca5a5 !important;
}

#oa-wrap.oa-dark .oa-option.oa-wrong .oa-option-indicator {
  background-color: #dc2626 !important;
  border-color: #dc2626 !important;
}

#oa-wrap.oa-dark .oa-explanation {
  background-color: #0f172a !important;
  color: #94a3b8 !important;
  border-left-color: #475569 !important;
}

#oa-wrap.oa-dark .oa-score-card {
  background-color: #1e293b !important;
  border-color: #334155 !important;
}

#oa-wrap.oa-dark .oa-score-breakdown {
  background-color: #0f172a !important;
}

#oa-wrap.oa-dark .oa-score-stat-num {
  color: #f1f5f9 !important;
}

#oa-wrap.oa-dark .oa-builder-section {
  background-color: #1e293b !important;
  border-color: #334155 !important;
}

#oa-wrap.oa-dark .oa-builder-title {
  color: #f1f5f9 !important;
  border-bottom-color: #334155 !important;
}

#oa-wrap.oa-dark .oa-checkbox-label {
  background-color: #0f172a !important;
  border-color: #334155 !important;
  color: #f1f5f9 !important;
}

#oa-wrap.oa-dark .oa-checkbox-label:hover {
  background-color: rgba(37, 99, 235, 0.15) !important;
  border-color: #3b82f6 !important;
}

/* Leaderboard Dark Styles */
#oa-wrap.oa-dark .oa-lb-filter-btn {
  background-color: #1e293b !important;
  color: #94a3b8 !important;
  border-color: #334155 !important;
}

#oa-wrap.oa-dark .oa-lb-filter-btn:hover {
  color: #60a5fa !important;
  border-color: #60a5fa !important;
}

#oa-wrap.oa-dark .oa-lb-filter-btn.oa-active {
  background-color: #2563eb !important;
  color: #ffffff !important;
  border-color: #2563eb !important;
}

#oa-wrap.oa-dark .oa-lb-table-wrap {
  background-color: #1e293b !important;
  border-color: #334155 !important;
}

#oa-wrap.oa-dark .oa-lb-table {
  background-color: #1e293b !important;
  color: #f1f5f9 !important;
}

#oa-wrap.oa-dark .oa-lb-table th {
  background-color: #1d4ed8 !important;
  color: #ffffff !important;
}

#oa-wrap.oa-dark .oa-lb-table td {
  border-bottom-color: #334155 !important;
  color: #f1f5f9 !important;
}

#oa-wrap.oa-dark .oa-lb-table tbody tr:hover td {
  background-color: #273549 !important;
}

#oa-wrap.oa-dark .oa-lb-table tr:first-child td,
#oa-wrap.oa-dark .oa-lb-table tbody tr:first-child td,
#oa-wrap.oa-dark .oa-lb-table tr.oa-rank-1 td {
  color: #fde047 !important;
  background-color: rgba(234, 179, 8, 0.18) !important;
}

#oa-wrap.oa-dark .oa-lb-table tr:nth-child(2) td,
#oa-wrap.oa-dark .oa-lb-table tbody tr:nth-child(2) td,
#oa-wrap.oa-dark .oa-lb-table tr.oa-rank-2 td {
  color: #cbd5e1 !important;
  background-color: rgba(148, 163, 184, 0.12) !important;
}

#oa-wrap.oa-dark .oa-lb-table tr:nth-child(3) td,
#oa-wrap.oa-dark .oa-lb-table tbody tr:nth-child(3) td,
#oa-wrap.oa-dark .oa-lb-table tr.oa-rank-3 td {
  color: #fdba74 !important;
  background-color: rgba(249, 115, 22, 0.15) !important;
}

#oa-wrap.oa-dark .oa-lb-page-btn,
#oa-wrap.oa-dark .oa-pagination-btn {
  background-color: #1e293b !important;
  color: #f1f5f9 !important;
  border-color: #334155 !important;
}

#oa-wrap.oa-dark .oa-lb-page-btn:hover,
#oa-wrap.oa-dark .oa-pagination-btn:hover {
  border-color: #60a5fa !important;
  color: #60a5fa !important;
}

#oa-wrap.oa-dark .oa-lb-page-btn.oa-active,
#oa-wrap.oa-dark .oa-pagination-btn.oa-active {
  background-color: #2563eb !important;
  color: #ffffff !important;
  border-color: #2563eb !important;
}

/* Badges Dark Styles */
#oa-wrap.oa-dark .oa-badge-card {
  background-color: #1e293b !important;
  border-color: #334155 !important;
}

#oa-wrap.oa-dark .oa-badge-title {
  color: #f1f5f9 !important;
}

#oa-wrap.oa-dark .oa-badge-desc {
  color: #94a3b8 !important;
}

#oa-wrap.oa-dark .oa-badge-icon {
  background-color: #0f172a !important;
}

#oa-wrap.oa-dark .oa-badge-card.oa-earned {
  border-color: #3b82f6 !important;
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.45) !important;
}

#oa-wrap.oa-dark .oa-badge-card.oa-earned .oa-badge-icon {
  background-color: rgba(37, 99, 235, 0.25) !important;
  color: #60a5fa !important;
}

/* Verify Dark Styles & Inputs */
#oa-wrap.oa-dark input,
#oa-wrap.oa-dark select,
#oa-wrap.oa-dark textarea,
#oa-wrap.oa-dark #oa-verify-input {
  background-color: #0f172a !important;
  color: #f1f5f9 !important;
  border-color: #334155 !important;
}

#oa-wrap.oa-dark #oa-verify-input:focus {
  border-color: #3b82f6 !important;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25) !important;
}

#oa-wrap.oa-dark #oa-verify-result {
  background-color: #1e293b !important;
  border-color: #334155 !important;
}

#oa-wrap.oa-dark #oa-verify-result.oa-valid {
  background-color: rgba(22, 163, 74, 0.18) !important;
  border-color: #16a34a !important;
}

#oa-wrap.oa-dark #oa-verify-result.oa-invalid {
  background-color: rgba(220, 38, 38, 0.18) !important;
  border-color: #dc2626 !important;
}

/* Practical Tasks Dark */
#oa-wrap.oa-dark .oa-task-card {
  background-color: #1e293b !important;
  border-color: #334155 !important;
}

#oa-wrap.oa-dark .oa-task-title {
  color: #f1f5f9 !important;
}

#oa-wrap.oa-dark .oa-task-desc {
  color: #94a3b8 !important;
}

#oa-wrap.oa-dark .oa-task-card.oa-task-completed {
  background-color: rgba(22, 163, 74, 0.18) !important;
  border-color: #16a34a !important;
}

#oa-wrap.oa-dark .oa-task-card.oa-task-completed .oa-task-title {
  color: #86efac !important;
}


/* ==========================================================================
   14. RESPONSIVE DESIGN BREAKPOINTS
   ========================================================================= */

/* Tablet Breakpoint (max-width: 768px) */
@media (max-width: 768px) {
  #oa-wrap {
    margin: 10px;
    border-radius: var(--oa-radius);
  }

  #oa-wrap #oa-header {
    padding: 18px 20px;
    flex-direction: column;
    align-items: flex-start;
  }

  #oa-wrap #oa-controls {
    width: 100%;
    justify-content: flex-start;
  }

  #oa-wrap .oa-tab-content-area {
    padding: 20px 16px;
  }

  /* Education layout collapses to single column */
  #oa-wrap #oa-edu-layout {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  #oa-wrap #oa-module-list {
    max-height: 280px;
  }

  /* Quiz module grid becomes 2 columns */
  #oa-wrap .oa-quiz-module-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Badge grid becomes 3 columns */
  #oa-wrap .oa-badge-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  #oa-wrap .oa-score-breakdown {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  #oa-wrap .oa-lb-table th,
  #oa-wrap .oa-lb-table td {
    padding: 10px 12px;
    font-size: 0.875rem;
  }

  #oa-wrap .oa-cert-actions {
    flex-direction: column;
    width: 100%;
  }

  #oa-wrap .oa-cert-btn {
    width: 100%;
  }
}

/* Mobile Breakpoint (max-width: 480px) */
@media (max-width: 480px) {
  #oa-wrap #oa-header {
    padding: 16px 14px;
  }

  #oa-wrap .oa-portal-title,
  #oa-wrap #oa-header h1 {
    font-size: 1.25rem;
  }

  #oa-wrap #oa-tab-nav {
    padding: 0 10px;
  }

  #oa-wrap .oa-tab-btn {
    padding: 12px 14px;
    font-size: 0.875rem;
  }

  /* Quiz grid single column */
  #oa-wrap .oa-quiz-module-grid {
    grid-template-columns: 1fr;
  }

  /* Badge grid becomes 2 columns */
  #oa-wrap .oa-badge-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  #oa-wrap .oa-badge-card {
    padding: 16px 10px;
  }

  #oa-wrap .oa-badge-icon {
    width: 48px;
    height: 48px;
  }

  #oa-wrap .oa-badge-icon svg {
    width: 28px;
    height: 28px;
  }

  /* Module checkboxes single column */
  #oa-wrap .oa-module-checkbox-grid {
    grid-template-columns: 1fr;
  }

  #oa-wrap .oa-question-card {
    padding: 18px 14px;
  }

  #oa-wrap .oa-question-text {
    font-size: 1rem;
  }

  #oa-wrap .oa-option {
    padding: 12px 14px;
    font-size: 0.9rem;
  }

  #oa-wrap #oa-quiz-timer {
    font-size: 1.85rem;
  }

  #oa-wrap .oa-streak-count {
    font-size: 2.75rem;
  }

  #oa-wrap .oa-task-card {
    flex-direction: column;
    align-items: flex-start;
  }

  #oa-wrap .oa-task-done {
    align-self: flex-end;
  }
}


/* ==========================================================================
   ==========================================================================
   PHASE 2 EXTENSIONS & ENHANCEMENTS
   ==========================================================================
   ========================================================================== */

/* ==========================================================================
   1. MULTI-COURSE SWITCHER & NAVIGATION
   ========================================================================== */
#oa-wrap .oa-course-switcher-bar,
#oa-portal-root .oa-course-switcher-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 12px 20px;
  margin-bottom: 20px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  flex-wrap: wrap;
  gap: 12px;
}

#oa-wrap .oa-course-switcher-label,
#oa-portal-root .oa-course-switcher-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: #475569;
  display: flex;
  align-items: center;
  gap: 8px;
}

#oa-wrap .oa-course-pills,
#oa-portal-root .oa-course-pills {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

#oa-wrap .oa-course-pill,
#oa-portal-root .oa-course-pill {
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 600;
  border: 1px solid #cbd5e1;
  background: #f8fafc;
  color: #334155;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

#oa-wrap .oa-course-pill:hover,
#oa-portal-root .oa-course-pill:hover {
  background: #e2e8f0;
  border-color: #94a3b8;
  color: #0f172a;
}

#oa-wrap .oa-course-pill.active,
#oa-portal-root .oa-course-pill.active {
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 2px 6px rgba(79, 70, 229, 0.35);
}

#oa-wrap .oa-course-switcher,
#oa-portal-root .oa-course-switcher {
  padding: 7px 14px;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
  font-size: 0.875rem;
  font-weight: 600;
  background: #ffffff;
  color: #1e293b;
  cursor: pointer;
  outline: none;
}

#oa-wrap .oa-course-switcher:focus,
#oa-portal-root .oa-course-switcher:focus {
  border-color: #4f46e5;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

/* ==========================================================================
   2. HEADER NOTIFICATIONS & LEVEL WIDGET
   ========================================================================== */
#oa-wrap .oa-header-meta-group,
#oa-portal-root .oa-header-meta-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

#oa-wrap .oa-level-header-pill,
#oa-portal-root .oa-level-header-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 9999px;
  background: linear-gradient(135deg, #3b82f6, #6366f1);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  box-shadow: 0 2px 4px rgba(59, 130, 246, 0.25);
  cursor: pointer;
  transition: transform 0.15s ease;
}

#oa-wrap .oa-level-header-pill:hover,
#oa-portal-root .oa-level-header-pill:hover {
  transform: translateY(-1px);
}

/* Notifications Bell */
#oa-wrap .oa-notif-wrap,
#oa-portal-root .oa-notif-wrap {
  position: relative;
  display: inline-block;
}

#oa-wrap .oa-notif-bell,
#oa-portal-root .oa-notif-bell {
  position: relative;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  color: #334155;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all 0.2s ease;
  outline: none;
}

#oa-wrap .oa-notif-bell:hover,
#oa-portal-root .oa-notif-bell:hover {
  background: #e2e8f0;
  color: #0f172a;
}

#oa-wrap .oa-notif-badge,
#oa-portal-root .oa-notif-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: #ef4444;
  color: #ffffff;
  font-size: 0.6875rem;
  font-weight: 800;
  min-width: 18px;
  height: 18px;
  line-height: 18px;
  border-radius: 9999px;
  text-align: center;
  padding: 0 4px;
  box-shadow: 0 1px 3px rgba(239, 68, 68, 0.4);
  border: 2px solid #ffffff;
  animation: oaNotifPop 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes oaNotifPop {
  0% { transform: scale(0); }
  100% { transform: scale(1); }
}

/* Notifications Dropdown Panel */
#oa-wrap .oa-notif-panel,
#oa-portal-root .oa-notif-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 320px;
  max-height: 360px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.15), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  display: none;
  flex-direction: column;
  overflow: hidden;
  animation: oaPanelSlide 0.2s ease;
}

#oa-wrap .oa-notif-panel.oa-show,
#oa-portal-root .oa-notif-panel.oa-show {
  display: flex;
}

@keyframes oaPanelSlide {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

#oa-wrap .oa-notif-head,
#oa-portal-root .oa-notif-head {
  padding: 12px 16px;
  border-bottom: 1px solid #f1f5f9;
  background: #f8fafc;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#oa-wrap .oa-notif-title,
#oa-portal-root .oa-notif-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: #0f172a;
}

#oa-wrap .oa-notif-clear-btn,
#oa-portal-root .oa-notif-clear-btn {
  background: none;
  border: none;
  color: #4f46e5;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
}

#oa-wrap .oa-notif-clear-btn:hover,
#oa-portal-root .oa-notif-clear-btn:hover {
  text-decoration: underline;
}

#oa-wrap .oa-notif-list,
#oa-portal-root .oa-notif-list {
  overflow-y: auto;
  max-height: 300px;
  display: flex;
  flex-direction: column;
}

#oa-wrap .oa-notif-item,
#oa-portal-root .oa-notif-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid #f8fafc;
  cursor: pointer;
  transition: background 0.15s ease;
}

#oa-wrap .oa-notif-item:hover,
#oa-portal-root .oa-notif-item:hover {
  background: #f8fafc;
}

#oa-wrap .oa-notif-item.oa-unread,
#oa-portal-root .oa-notif-item.oa-unread {
  background: #eef2ff;
  border-left: 3px solid #4f46e5;
  font-weight: 600;
}

#oa-wrap .oa-notif-icon,
#oa-portal-root .oa-notif-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
  margin-top: 2px;
}

#oa-wrap .oa-notif-content,
#oa-portal-root .oa-notif-content {
  flex: 1;
}

#oa-wrap .oa-notif-msg,
#oa-portal-root .oa-notif-msg {
  font-size: 0.8125rem;
  color: #334155;
  line-height: 1.4;
  margin: 0 0 4px 0;
}

#oa-wrap .oa-notif-time,
#oa-portal-root .oa-notif-time {
  font-size: 0.6875rem;
  color: #94a3b8;
}

#oa-wrap .oa-notif-empty,
#oa-portal-root .oa-notif-empty {
  padding: 24px 16px;
  text-align: center;
  color: #94a3b8;
  font-size: 0.875rem;
}

/* ==========================================================================
   3. MY PROFILE TAB (#oa-profile-tab & #oa-tab-profile)
   ========================================================================== */
#oa-wrap .oa-profile-wrap,
#oa-portal-root .oa-profile-wrap {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Profile Hero Card */
#oa-wrap .oa-profile-card,
#oa-portal-root .oa-profile-card {
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

#oa-wrap .oa-profile-header,
#oa-portal-root .oa-profile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

#oa-wrap .oa-profile-user-info,
#oa-portal-root .oa-profile-user-info {
  display: flex;
  align-items: center;
  gap: 20px;
}

#oa-wrap .oa-profile-avatar,
#oa-portal-root .oa-profile-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  box-shadow: 0 4px 10px rgba(79, 70, 229, 0.3);
  flex-shrink: 0;
}

#oa-wrap .oa-profile-details,
#oa-portal-root .oa-profile-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

#oa-wrap .oa-profile-name-row,
#oa-portal-root .oa-profile-name-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

#oa-wrap .oa-profile-name,
#oa-portal-root .oa-profile-name {
  font-size: 1.5rem;
  font-weight: 800;
  color: #0f172a;
  margin: 0;
  line-height: 1.2;
}

#oa-wrap .oa-profile-email,
#oa-portal-root .oa-profile-email {
  font-size: 0.875rem;
  color: #64748b;
  margin: 0;
}

/* Level Badges Tiered Colors */
#oa-wrap .oa-level-badge,
#oa-portal-root .oa-level-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #ffffff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.12);
}

#oa-wrap .oa-level-badge.tier-1,
#oa-portal-root .oa-level-badge.tier-1 {
  background: linear-gradient(135deg, #2563eb, #38bdf8); /* Level 1-5 Blue */
}

#oa-wrap .oa-level-badge.tier-2,
#oa-portal-root .oa-level-badge.tier-2 {
  background: linear-gradient(135deg, #7c3aed, #a855f7); /* Level 6-10 Purple */
}

#oa-wrap .oa-level-badge.tier-3,
#oa-portal-root .oa-level-badge.tier-3 {
  background: linear-gradient(135deg, #d97706, #fbbf24); /* Level 11-20 Gold */
  color: #78350f;
}

#oa-wrap .oa-level-badge.tier-4,
#oa-portal-root .oa-level-badge.tier-4 {
  background: linear-gradient(135deg, #0d9488, #2dd4bf); /* Level 21+ Teal Diamond */
}

/* XP Bar Styling */
#oa-wrap .oa-xp-section,
#oa-portal-root .oa-xp-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}

#oa-wrap .oa-xp-meta,
#oa-portal-root .oa-xp-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  font-weight: 600;
  color: #475569;
}

#oa-wrap .oa-xp-total,
#oa-portal-root .oa-xp-total {
  color: #4f46e5;
  font-weight: 800;
}

#oa-wrap .oa-xp-bar-wrap,
#oa-portal-root .oa-xp-bar-wrap {
  width: 100%;
  height: 18px;
  background: #e2e8f0;
  border-radius: 9999px;
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.08);
}

#oa-wrap .oa-xp-fill,
#oa-portal-root .oa-xp-fill {
  height: 100%;
  border-radius: 9999px;
  background: linear-gradient(90deg, #4f46e5, #06b6d4, #10b981);
  background-size: 200% 100%;
  animation: oaXpGradientShift 4s ease infinite;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes oaXpGradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Enrolled Courses Grid */
#oa-wrap .oa-profile-section-title,
#oa-portal-root .oa-profile-section-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #0f172a;
  margin: 0 0 16px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

#oa-wrap .oa-enrolled-courses-grid,
#oa-portal-root .oa-enrolled-courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}

#oa-wrap .oa-course-card,
#oa-portal-root .oa-course-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

#oa-wrap .oa-course-card:hover,
#oa-portal-root .oa-course-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
}

#oa-wrap .oa-course-card-head,
#oa-portal-root .oa-course-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

#oa-wrap .oa-course-icon-box,
#oa-portal-root .oa-course-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: #eef2ff;
  color: #4f46e5;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

#oa-wrap .oa-course-card-title,
#oa-portal-root .oa-course-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: #0f172a;
  margin: 0;
  line-height: 1.3;
}

#oa-wrap .oa-course-card-progress,
#oa-portal-root .oa-course-card-progress {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

#oa-wrap .oa-course-pct-label,
#oa-portal-root .oa-course-pct-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  font-weight: 600;
  color: #64748b;
}

/* Join Cohort Form */
#oa-wrap .oa-cohort-join-card,
#oa-portal-root .oa-cohort-join-card {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#oa-wrap .oa-cohort-join-form,
#oa-portal-root .oa-cohort-join-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

#oa-wrap .oa-cohort-join-input,
#oa-portal-root .oa-cohort-join-input {
  flex: 1;
  min-width: 220px;
  padding: 9px 14px;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
  font-size: 0.875rem;
  font-weight: 600;
  background: #ffffff;
  color: #1e293b;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

#oa-wrap .oa-cohort-join-input:focus,
#oa-portal-root .oa-cohort-join-input:focus {
  outline: none;
  border-color: #4f46e5;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

/* Cohort Mini Leaderboard Widget */
#oa-wrap .oa-cohort-widget,
#oa-portal-root .oa-cohort-widget {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

#oa-wrap .oa-cohort-widget-head,
#oa-portal-root .oa-cohort-widget-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  border-bottom: 1px solid #f1f5f9;
  padding-bottom: 10px;
}

#oa-wrap .oa-cohort-mini-list,
#oa-portal-root .oa-cohort-mini-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#oa-wrap .oa-cohort-mini-item,
#oa-portal-root .oa-cohort-mini-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: #f8fafc;
  border-radius: 8px;
  font-size: 0.875rem;
}

#oa-wrap .oa-cohort-mini-item.oa-me,
#oa-portal-root .oa-cohort-mini-item.oa-me {
  background: #eef2ff;
  border: 1px solid #c7d2fe;
  font-weight: 700;
}

/* ==========================================================================
   4. ASSIGNMENT SUBMISSION (PRACTICAL TASKS TAB)
   ========================================================================== */
#oa-wrap .oa-assignment-form,
#oa-portal-root .oa-assignment-form {
  margin-top: 18px;
  padding: 18px;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  background: #f8fafc;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

#oa-wrap .oa-submit-type-tabs,
#oa-portal-root .oa-submit-type-tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid #e2e8f0;
  padding-bottom: 8px;
}

#oa-wrap .oa-type-btn,
#oa-portal-root .oa-type-btn {
  background: transparent;
  border: none;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #64748b;
  padding: 5px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

#oa-wrap .oa-type-btn:hover,
#oa-portal-root .oa-type-btn:hover {
  color: #0f172a;
  background: #e2e8f0;
}

#oa-wrap .oa-type-btn.active,
#oa-portal-root .oa-type-btn.active {
  background: #4f46e5;
  color: #ffffff;
}

#oa-wrap .oa-assignment-textarea,
#oa-portal-root .oa-assignment-textarea {
  width: 100%;
  min-height: 90px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
  font-size: 0.875rem;
  font-family: inherit;
  background: #ffffff;
  color: #1e293b;
  resize: vertical;
}

#oa-wrap .oa-assignment-url-input,
#oa-portal-root .oa-assignment-url-input {
  width: 100%;
  padding: 9px 12px;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
  font-size: 0.875rem;
  background: #ffffff;
  color: #1e293b;
}

/* File Drop Zone */
#oa-wrap .oa-file-drop,
#oa-portal-root .oa-file-drop {
  border: 2px dashed #cbd5e1;
  border-radius: 10px;
  padding: 24px 16px;
  text-align: center;
  background: #ffffff;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

#oa-wrap .oa-file-drop:hover,
#oa-wrap .oa-file-drop.dragover,
#oa-portal-root .oa-file-drop:hover,
#oa-portal-root .oa-file-drop.dragover {
  border-color: #4f46e5;
  background: #eef2ff;
}

#oa-wrap .oa-file-drop-icon,
#oa-portal-root .oa-file-drop-icon {
  font-size: 1.75rem;
  color: #6366f1;
}

#oa-wrap .oa-file-drop-text,
#oa-portal-root .oa-file-drop-text {
  font-size: 0.875rem;
  font-weight: 600;
  color: #334155;
  margin: 0;
}

#oa-wrap .oa-file-drop-hint,
#oa-portal-root .oa-file-drop-hint {
  font-size: 0.75rem;
  color: #94a3b8;
  margin: 0;
}

#oa-wrap .oa-file-preview-pill,
#oa-portal-root .oa-file-preview-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #e0f2fe;
  color: #0369a1;
  padding: 6px 12px;
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-top: 8px;
}

/* Assignment Status Badges */
#oa-wrap .oa-assignment-status,
#oa-portal-root .oa-assignment-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

#oa-wrap .oa-assignment-status.pending,
#oa-portal-root .oa-assignment-status.pending {
  background: #fef3c7;
  color: #92400e;
}

#oa-wrap .oa-assignment-status.graded,
#oa-portal-root .oa-assignment-status.graded {
  background: #dcfce7;
  color: #166534;
}

#oa-wrap .oa-assignment-status.revision,
#oa-wrap .oa-assignment-status.revision_requested,
#oa-portal-root .oa-assignment-status.revision,
#oa-portal-root .oa-assignment-status.revision_requested {
  background: #fee2e2;
  color: #991b1b;
}

/* Grade Display Card */
#oa-wrap .oa-grade-display,
#oa-portal-root .oa-grade-display {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 14px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

#oa-wrap .oa-grade-circle,
#oa-portal-root .oa-grade-circle {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, #10b981, #059669);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 800;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.3);
}

#oa-wrap .oa-grade-feedback-box,
#oa-portal-root .oa-grade-feedback-box {
  flex: 1;
  font-size: 0.875rem;
  color: #334155;
  line-height: 1.4;
}

/* ==========================================================================
   5. COHORT LEADERBOARD (LEADERBOARD TAB)
   ========================================================================== */
#oa-wrap .oa-lb-tabs,
#oa-portal-root .oa-lb-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
}

#oa-wrap .oa-lb-tab-btn,
#oa-portal-root .oa-lb-tab-btn {
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid #cbd5e1;
  background: #ffffff;
  color: #475569;
  cursor: pointer;
  transition: all 0.2s ease;
}

#oa-wrap .oa-lb-tab-btn:hover,
#oa-portal-root .oa-lb-tab-btn:hover {
  background: #f8fafc;
  color: #0f172a;
}

#oa-wrap .oa-lb-tab-btn.active,
#oa-portal-root .oa-lb-tab-btn.active {
  background: #4f46e5;
  color: #ffffff;
  border-color: #4f46e5;
  box-shadow: 0 2px 6px rgba(79, 70, 229, 0.25);
}

#oa-wrap .oa-lb-cohort-banner,
#oa-portal-root .oa-lb-cohort-banner {
  background: linear-gradient(135deg, #eef2ff 0%, #e0e7ff 100%);
  border: 1px solid #c7d2fe;
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

#oa-wrap .oa-cohort-rank-badge,
#oa-portal-root .oa-cohort-rank-badge {
  background: #4f46e5;
  color: #ffffff;
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 9999px;
  box-shadow: 0 2px 4px rgba(79, 70, 229, 0.25);
}

/* ==========================================================================
   6. LEVEL-UP TOAST ANIMATION
   ========================================================================== */
#oa-wrap .oa-level-up-toast,
#oa-portal-root .oa-level-up-toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
  border: 2px solid #ffd700;
  border-radius: 16px;
  padding: 20px 24px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.35), 0 0 20px rgba(255, 215, 0, 0.4);
  color: #ffffff;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 18px;
  animation: oaLevelUpSlide 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes oaLevelUpSlide {
  from { opacity: 0; transform: translateY(40px) scale(0.9); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

#oa-wrap .oa-level-up-icon,
#oa-portal-root .oa-level-up-icon {
  font-size: 2.5rem;
  animation: oaTrophyBounce 1s ease infinite alternate;
}

@keyframes oaTrophyBounce {
  from { transform: translateY(0); }
  to { transform: translateY(-6px); }
}

#oa-wrap .oa-level-up-title,
#oa-portal-root .oa-level-up-title {
  font-size: 1.125rem;
  font-weight: 800;
  color: #ffd700;
  margin: 0 0 4px 0;
}

#oa-wrap .oa-level-up-desc,
#oa-portal-root .oa-level-up-desc {
  font-size: 0.875rem;
  color: #e0e7ff;
  margin: 0;
}

/* ==========================================================================
   7. DARK MODE OVERRIDES FOR PHASE 2 COMPONENTS
   ========================================================================== */
#oa-wrap.oa-dark .oa-course-switcher-bar,
#oa-portal-root.oa-dark .oa-course-switcher-bar {
  background: #1e293b !important;
  border-color: #334155 !important;
}

#oa-wrap.oa-dark .oa-course-pill,
#oa-portal-root.oa-dark .oa-course-pill {
  background: #0f172a !important;
  border-color: #334155 !important;
  color: #94a3b8 !important;
}

#oa-wrap.oa-dark .oa-course-pill:hover,
#oa-portal-root.oa-dark .oa-course-pill:hover {
  background: #334155 !important;
  color: #ffffff !important;
}

#oa-wrap.oa-dark .oa-course-pill.active,
#oa-portal-root.oa-dark .oa-course-pill.active {
  background: linear-gradient(135deg, #4f46e5, #6366f1) !important;
  color: #ffffff !important;
}

#oa-wrap.oa-dark .oa-notif-bell,
#oa-portal-root.oa-dark .oa-notif-bell {
  background: #1e293b !important;
  border-color: #334155 !important;
  color: #cbd5e1 !important;
}

#oa-wrap.oa-dark .oa-notif-panel,
#oa-portal-root.oa-dark .oa-notif-panel {
  background: #1e293b !important;
  border-color: #334155 !important;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5) !important;
}

#oa-wrap.oa-dark .oa-notif-head,
#oa-portal-root.oa-dark .oa-notif-head {
  background: #0f172a !important;
  border-color: #334155 !important;
}

#oa-wrap.oa-dark .oa-notif-title,
#oa-portal-root.oa-dark .oa-notif-title {
  color: #f1f5f9 !important;
}

#oa-wrap.oa-dark .oa-notif-item,
#oa-portal-root.oa-dark .oa-notif-item {
  border-color: #334155 !important;
}

#oa-wrap.oa-dark .oa-notif-item:hover,
#oa-portal-root.oa-dark .oa-notif-item:hover {
  background: #334155 !important;
}

#oa-wrap.oa-dark .oa-notif-item.oa-unread,
#oa-portal-root.oa-dark .oa-notif-item.oa-unread {
  background: #1e1b4b !important;
  border-left-color: #818cf8 !important;
}

#oa-wrap.oa-dark .oa-notif-msg,
#oa-portal-root.oa-dark .oa-notif-msg {
  color: #e2e8f0 !important;
}

#oa-wrap.oa-dark .oa-profile-card,
#oa-portal-root.oa-dark .oa-profile-card {
  background: #1e293b !important;
  border-color: #334155 !important;
}

#oa-wrap.oa-dark .oa-profile-name,
#oa-portal-root.oa-dark .oa-profile-name {
  color: #ffffff !important;
}

#oa-wrap.oa-dark .oa-course-card,
#oa-portal-root.oa-dark .oa-course-card {
  background: #1e293b !important;
  border-color: #334155 !important;
}

#oa-wrap.oa-dark .oa-course-card-title,
#oa-portal-root.oa-dark .oa-course-card-title {
  color: #ffffff !important;
}

#oa-wrap.oa-dark .oa-cohort-join-card,
#oa-portal-root.oa-dark .oa-cohort-join-card {
  background: #0f172a !important;
  border-color: #334155 !important;
}

#oa-wrap.oa-dark .oa-cohort-join-input,
#oa-portal-root.oa-dark .oa-cohort-join-input {
  background: #1e293b !important;
  border-color: #475569 !important;
  color: #ffffff !important;
}

#oa-wrap.oa-dark .oa-assignment-form,
#oa-portal-root.oa-dark .oa-assignment-form {
  background: #0f172a !important;
  border-color: #334155 !important;
}

#oa-wrap.oa-dark .oa-assignment-textarea,
#oa-wrap.oa-dark .oa-assignment-url-input,
#oa-portal-root.oa-dark .oa-assignment-textarea,
#oa-portal-root.oa-dark .oa-assignment-url-input {
  background: #1e293b !important;
  border-color: #334155 !important;
  color: #ffffff !important;
}

#oa-wrap.oa-dark .oa-file-drop,
#oa-portal-root.oa-dark .oa-file-drop {
  background: #1e293b !important;
  border-color: #334155 !important;
}

#oa-wrap.oa-dark .oa-file-drop:hover,
#oa-portal-root.oa-dark .oa-file-drop:hover {
  background: #0f172a !important;
  border-color: #6366f1 !important;
}

#oa-wrap.oa-dark .oa-grade-display,
#oa-portal-root.oa-dark .oa-grade-display {
  background: #1e293b !important;
  border-color: #334155 !important;
}

#oa-wrap.oa-dark .oa-lb-cohort-banner,
#oa-portal-root.oa-dark .oa-lb-cohort-banner {
  background: #1e1b4b !important;
  border-color: #3730a3 !important;
}

/* ==========================================================================
   8. RESPONSIVE DESIGN FOR PHASE 2 COMPONENTS
   ========================================================================== */
@media (max-width: 768px) {
  #oa-wrap .oa-profile-header,
  #oa-portal-root .oa-profile-header {
    flex-direction: column;
    align-items: flex-start;
  }
  #oa-wrap .oa-enrolled-courses-grid,
  #oa-portal-root .oa-enrolled-courses-grid {
    grid-template-columns: 1fr;
  }
  #oa-wrap .oa-notif-panel,
  #oa-portal-root .oa-notif-panel {
    width: 280px;
    right: -50px;
  }
  #oa-wrap .oa-level-up-toast,
  #oa-portal-root .oa-level-up-toast {
    left: 15px;
    right: 15px;
    bottom: 15px;
  }
}