/* =====================================================
   SENSEI LMS SLIDESHOW MOCKUP - COMPONENT STYLES
   ===================================================== */

/* =====================================================
   GLOSSARY TERMS
   ===================================================== */
.glossary-term {
  color: var(--color-text-primary);
  border-bottom: 2px dotted rgba(255, 255, 255, 0.5);
  cursor: help;
  position: relative;
  transition: border-color var(--transition-fast);
}

.glossary-term:hover {
  border-bottom-color: rgba(255, 255, 255, 0.9);
}

.glossary-tooltip {
  position: fixed;
  background: rgba(0, 0, 0, 0.95);
  color: var(--color-text-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-small);
  max-width: 300px;
  box-shadow: var(--shadow-xl);
  z-index: 10000;
  pointer-events: none;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.tooltip-content {
  line-height: 1.5;
}

/* =====================================================
   FLASHCARD COMPONENT
   ===================================================== */
.flashcard-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

.flashcard {
  width: 100%;
  max-width: 600px;
  height: 400px;
  position: relative;
  cursor: pointer;
  perspective: 1000px;
}

.flashcard-front,
.flashcard-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  background: rgba(255, 255, 255, 0.15);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: transform var(--transition-slow);
}

.flashcard-front {
  transform: rotateY(0deg);
}

.flashcard-back {
  transform: rotateY(180deg);
}

.flashcard.flipped .flashcard-front {
  transform: rotateY(-180deg);
}

.flashcard.flipped .flashcard-back {
  transform: rotateY(0deg);
}

.flashcard h3 {
  font-size: var(--font-size-h2);
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.flashcard p {
  text-align: center;
  font-size: var(--font-size-body);
}

.flip-instruction {
  margin-top: var(--spacing-lg);
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  font-style: italic;
}

/* =====================================================
   IMAGE HOTSPOT COMPONENT
   ===================================================== */
.hotspot-instruction {
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  margin-bottom: var(--spacing-md);
  font-style: italic;
}

.image-hotspot-container {
  position: relative;
  display: inline-block;
  max-width: 100%;
}

.image-hotspot-container img {
  max-width: 100%;
  border-radius: var(--radius-lg);
  display: block;
}

.hotspot {
  position: absolute;
  z-index: 10;
}

.hotspot[data-x="20%"] { left: 20%; }
.hotspot[data-x="50%"] { left: 50%; }
.hotspot[data-x="80%"] { left: 80%; }
.hotspot[data-y="25%"] { top: 25%; }
.hotspot[data-y="70%"] { top: 70%; }

.hotspot-marker {
  width: 30px;
  height: 30px;
  background: rgba(255, 255, 255, 0.3);
  border: 3px solid rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  cursor: pointer;
  position: relative;
  transform: translate(-50%, -50%);
  transition: all var(--transition-fast);
  animation: pulse 2s infinite;
}

.hotspot:hover .hotspot-marker,
.hotspot.active .hotspot-marker {
  background: rgba(255, 255, 255, 0.6);
  transform: translate(-50%, -50%) scale(1.2);
}

.hotspot-popup {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  background: rgba(0, 0, 0, 0.95);
  color: var(--color-text-primary);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  min-width: 250px;
  max-width: 350px;
  box-shadow: var(--shadow-xl);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-normal);
  border: 1px solid rgba(255, 255, 255, 0.2);
  margin-bottom: var(--spacing-sm);
}

.hotspot:hover .hotspot-popup,
.hotspot.active .hotspot-popup {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.hotspot-popup h4 {
  font-size: var(--font-size-h4);
  margin-bottom: var(--spacing-xs);
}

.hotspot-popup p {
  font-size: var(--font-size-small);
  margin: 0;
  line-height: 1.5;
}

/* Arrow for popup */
.hotspot-popup::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 8px solid transparent;
  border-top-color: rgba(0, 0, 0, 0.95);
}

/* =====================================================
   QUIZ COMPONENT
   ===================================================== */
.quiz-question h3 {
  font-size: var(--font-size-h3);
  margin-bottom: var(--spacing-lg);
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.quiz-option {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-text-primary);
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-body);
  text-align: left;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.quiz-option:hover:not(.correct):not(.incorrect):not(:disabled) {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateX(5px);
}

.quiz-option.correct {
  background: rgba(16, 185, 129, 0.3);
  border-color: var(--color-success);
}

.quiz-option.incorrect {
  background: rgba(239, 68, 68, 0.3);
  border-color: var(--color-error);
}

.quiz-option:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.quiz-feedback {
  background: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  border-left: 4px solid;
  margin-top: var(--spacing-md);
}

.quiz-feedback.correct {
  border-color: var(--color-success);
  background: rgba(16, 185, 129, 0.2);
}

.quiz-feedback.incorrect {
  border-color: var(--color-error);
  background: rgba(239, 68, 68, 0.2);
}

.quiz-feedback p {
  margin: 0;
  font-size: var(--font-size-body);
}

/* =====================================================
   VIDEO COMPONENT
   ===================================================== */
.video-container {
  margin-bottom: var(--spacing-lg);
}

.video-placeholder {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: rgba(0, 0, 0, 0.5);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.2);
  background-image: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(0, 0, 0, 0.3) 100%);
}

.play-button {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  position: relative;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

.play-button::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 55%;
  transform: translate(-50%, -50%);
  width: 0;
  height: 0;
  border-left: 25px solid var(--color-text-primary);
  border-top: 15px solid transparent;
  border-bottom: 15px solid transparent;
}

.video-placeholder:hover .play-button {
  background: rgba(255, 255, 255, 0.5);
  transform: scale(1.1);
}

.video-info {
  position: absolute;
  bottom: var(--spacing-sm);
  right: var(--spacing-sm);
  background: rgba(0, 0, 0, 0.8);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
}

.video-duration {
  color: var(--color-text-primary);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
}

.video-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  margin-top: var(--spacing-sm);
}

.control-button {
  background: rgba(255, 255, 255, 0.2);
  color: var(--color-text-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-small);
}

.control-button:hover {
  background: rgba(255, 255, 255, 0.3);
}

.video-controls .progress-bar {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.video-controls .progress-fill {
  height: 100%;
  background: rgba(255, 255, 255, 0.8);
  transition: width var(--transition-fast);
}

.time-display {
  color: var(--color-text-secondary);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
  min-width: 80px;
  text-align: right;
}

.video-transcript {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
}

.video-transcript h4 {
  font-size: var(--font-size-h4);
  margin-bottom: var(--spacing-sm);
}

.video-transcript p {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  margin: 0;
}

/* =====================================================
   EXPANDABLE CONTENT COMPONENT
   ===================================================== */
.expandable-content {
  margin-top: var(--spacing-lg);
}

.expand-trigger {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-text-primary);
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-body);
  text-align: left;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-md);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.expand-trigger::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  transition: transform var(--transition-normal);
}

.expand-trigger.active::after {
  content: '−';
}

.expand-trigger:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.5);
}

.expand-content {
  margin-top: var(--spacing-sm);
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.expand-content p {
  margin: 0;
}

/* =====================================================
   TASK LIST COMPONENT
   ===================================================== */
.task-list {
  margin-bottom: var(--spacing-lg);
}

.task-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  transition: all var(--transition-fast);
}

.task-item:hover {
  background: rgba(255, 255, 255, 0.15);
}

.task-checkbox {
  width: 24px;
  height: 24px;
  min-width: 24px;
  cursor: pointer;
  margin-top: 2px;
}

.task-item label {
  cursor: pointer;
  font-size: var(--font-size-body);
  color: var(--color-text-secondary);
  flex: 1;
}

.task-item input:checked + label {
  text-decoration: line-through;
  opacity: 0.6;
}

.task-progress {
  background: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.task-progress p {
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-medium);
}

.task-progress .progress-bar {
  height: 10px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.task-progress .progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-success), #34d399);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

.progress-count {
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

/* =====================================================
   ACCORDION COMPONENT
   ===================================================== */
.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.accordion-item {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.accordion-trigger {
  width: 100%;
  text-align: left;
  padding: var(--spacing-md) var(--spacing-lg);
  background: transparent;
  color: var(--color-text-primary);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-semibold);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition-fast);
}

.accordion-trigger::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  transition: transform var(--transition-normal);
}

.accordion-trigger.active::after {
  content: '−';
}

.accordion-trigger:hover {
  background: rgba(255, 255, 255, 0.05);
}

.accordion-content {
  padding: 0 var(--spacing-lg) var(--spacing-md) var(--spacing-lg);
}

.accordion-content p {
  margin: 0;
  color: var(--color-text-secondary);
}

/* =====================================================
   CASE STUDY COMPONENT
   ===================================================== */
.stat-highlight {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-bold);
  background: rgba(255, 255, 255, 0.15);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.case-insight {
  background: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-md);
  border-left: 4px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-sm);
  margin-top: var(--spacing-lg);
}

.case-insight h4 {
  font-size: var(--font-size-h4);
  margin-bottom: var(--spacing-sm);
}

.case-insight p {
  margin: 0;
}

/* =====================================================
   COMPLETION SCREEN
   ===================================================== */
.completion-screen {
  text-align: center;
}

.completion-screen h1 {
  font-size: var(--font-size-hero);
  margin-bottom: var(--spacing-md);
}

.completion-message {
  font-size: var(--font-size-h4);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
}

.completion-progress {
  background: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-xl);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.completion-progress > p {
  font-size: var(--font-size-h4);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.progress-bar.large {
  height: 16px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--spacing-md);
}

.progress-bar.large .progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #10b981, #34d399);
  border-radius: var(--radius-full);
  transition: width 2s ease-out;
}

.progress-percentage {
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0;
}

.next-chapter h3 {
  font-size: var(--font-size-h3);
  margin-bottom: var(--spacing-sm);
}

.next-chapter p {
  font-size: var(--font-size-body);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

/* =====================================================
   AI CHAT WIDGET
   ===================================================== */
.ai-chat-widget {
  position: fixed;
  bottom: 100px;
  right: var(--spacing-lg);
  z-index: 2000;
}

.chat-toggle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea, #764ba2);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
}

.chat-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 20px 40px rgba(102, 126, 234, 0.4);
}

.chat-icon {
  font-size: 1.8rem;
}

.chat-window {
  position: absolute;
  bottom: 80px;
  right: 0;
  width: 380px;
  max-height: 500px;
  background: rgba(30, 30, 30, 0.98);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(255, 255, 255, 0.1);
  opacity: 1;
  transform: translateY(0);
  transition: all var(--transition-normal);
}

.chat-window.hidden {
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
}

.chat-header {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chat-header h4 {
  margin: 0;
  font-size: var(--font-size-h4);
  color: var(--color-text-primary);
}

.chat-close {
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 1.5rem;
  padding: 0;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
}

.chat-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text-primary);
}

.chat-messages {
  flex: 1;
  padding: var(--spacing-md);
  overflow-y: auto;
  max-height: 300px;
}

.chat-messages::-webkit-scrollbar {
  width: 6px;
}

.chat-messages::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-full);
}

.chat-message {
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-small);
  line-height: 1.5;
  animation: slideIn 0.3s ease-out;
}

.ai-message {
  background: rgba(102, 126, 234, 0.2);
  border: 1px solid rgba(102, 126, 234, 0.3);
  margin-right: var(--spacing-lg);
}

.user-message {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  margin-left: var(--spacing-lg);
  text-align: right;
}

.chat-message p {
  margin: 0;
  color: var(--color-text-primary);
  font-size: var(--font-size-small);
}

.chat-input-area {
  padding: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  gap: var(--spacing-xs);
}

#chat-input {
  flex: 1;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-text-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-small);
  font-family: inherit;
  outline: none;
}

#chat-input:focus {
  border-color: rgba(102, 126, 234, 0.5);
  background: rgba(255, 255, 255, 0.15);
}

#chat-send {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: var(--color-text-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
}

#chat-send:hover {
  opacity: 0.9;
}

.chat-suggestions {
  padding: var(--spacing-sm) var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.suggestions-label {
  font-size: var(--font-size-ui);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
  font-weight: var(--font-weight-medium);
}

.suggestion-btn {
  display: block;
  width: 100%;
  text-align: left;
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-ui);
  margin-bottom: var(--spacing-xs);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.suggestion-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

/* =====================================================
   RESPONSIVE COMPONENTS
   ===================================================== */
@media (max-width: 767px) {
  .chat-window {
    width: calc(100vw - var(--spacing-lg) * 2);
    right: auto;
    left: var(--spacing-sm);
  }

  .flashcard {
    max-width: 100%;
    height: 350px;
  }

  .hotspot-popup {
    min-width: 200px;
    max-width: 250px;
  }

  .ai-chat-widget {
    right: var(--spacing-sm);
  }
}