/* =====================
   INTERACTIVE COMPONENTS CSS
   Load only on pages that need quiz and flashcard functionality
   ===================== */

/* Quiz-specific CSS variables */
:root {
  --color-quiz-text: #f1f5f9; /* Very soft white for quiz text */
  --color-quiz-accent: #eab308; /* Gold for quiz elements */
  --color-quiz-bg: #1e293b; /* Dark navy for quiz background */
}

/* Quiz typography overrides */
h1, h2, .quiz-question, .quiz-btn {
  font-family: var(--font-heading);
}

.quiz-options li {
  font-size: clamp(0.875rem, 1.2vw, 1.125rem);
}

.quiz-btn {
  font-size: clamp(0.875rem, 1.2vw, 1.125rem);
}



/* Quiz container and components */
.quiz-container {
  max-width: clamp(500px, 90vw, 600px);
  background-color: var(--color-quiz-bg);
  border: 2px solid var(--color-accent);
  border-radius: var(--border-radius-lg);
  margin: var(--spacing-lg) auto;
  padding: clamp(var(--spacing-md), 4vw, 2rem);
  box-shadow: 0 10px 25px rgba(202, 138, 4, 0.2);
}

.quiz-question {
  color: var(--color-accent);
  margin-bottom: var(--spacing-lg);
  font-size: clamp(1.25rem, 1.5vw, 1.5rem);
  color: var(--color-quiz-text);
  text-align: center;
}

.quiz-options {
  list-style: none;
  padding: 0;
  margin: var(--spacing-lg) 0;
}

.quiz-options li {
  background: var(--color-secondary);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  color: var(--color-text);
}

.quiz-options li:hover {
  border-color: var(--color-accent);
  background: var(--color-tertiary);
  transform: translateY(-2px);
}

.quiz-options li.correct {
  border-color: var(--color-success);
  background: rgba(5, 150, 105, 0.1);
  color: var(--color-success);
}

.quiz-options li.incorrect {
  border-color: var(--color-error);
  background: rgba(220, 38, 38, 0.1);
  color: var(--color-error);
}

.quiz-option.selected {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-primary);
}

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

/* Quiz navigation */
.quiz-nav {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-top: var(--spacing-lg);
}

.quiz-btn {
  background: var(--color-accent);
  color: var(--color-primary);
  border: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  font-family: var(--font-heading);
}

.quiz-btn:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.quiz-btn:focus {
  outline: 2px solid var(--color-accent-light);
  outline-offset: 2px;
}

/* Quiz progress */
.quiz-progress {
  margin-top: var(--spacing-lg);
  text-align: center;
}

.quiz-bar {
  width: 100%;
  height: 8px;
  background: var(--color-border);
  border-radius: 4px;
  overflow: hidden;
}

.quiz-bar::before {
  content: '';
  display: block;
  height: 100%;
  background: var(--color-accent);
  width: 0%;
  transition: width var(--transition-normal);
}

/* Flashcard styles */
.flashcard-container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin: var(--spacing-lg) 0;
  padding: 0 var(--spacing-sm);
  text-align: center;
}

.flashcard-counter {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-sm);
  text-align: center;
}

.flashcard {
  background-color: var(--color-card-bg);
  color: var(--color-text);
  border: 2px solid var(--color-accent);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 8px 16px rgba(202, 138, 4, 0.3);
  width: 100%;
  max-width: clamp(400px, 90vw, 500px);
  height: clamp(300px, 60vh, 400px);
  margin-bottom: var(--spacing-sm);
  perspective: 1000px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  cursor: pointer;
  word-wrap: break-word;
  overflow: hidden;
  position: relative;
  transition: all var(--transition-normal);
}

.flashcard:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(202, 138, 4, 0.5);
  border-color: var(--color-accent-light);
}

.flashcard:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.flashcard-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform var(--transition-slow), box-shadow var(--transition-normal);
  transform-style: preserve-3d;
}

.flashcard p {
  font-size: clamp(1rem, 2vw, 1.4rem);
  line-height: 1.5;
  padding: 0 var(--spacing-sm);
}

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

.flashcard-front,
.flashcard-back {
  position: absolute;
  width: 100%;
  height: 100%;
  padding: clamp(var(--spacing-sm), 3vw, 1.5rem);
  font-size: clamp(0.875rem, 2vw, 1.4rem);
  color: var(--color-text);
  border-radius: var(--border-radius-lg);
  backface-visibility: hidden;
  box-sizing: border-box;
  overflow-x: hidden;
  overflow-y: auto;
  word-wrap: break-word;
  white-space: normal;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  line-height: 1.4;
}

.flashcard-front {
  background-color: var(--color-card-bg);
}

.flashcard-back {
  background-color: var(--color-secondary);
  transform: rotateY(180deg);
}

/* Flashcard scrollbars */
.flashcard-front::-webkit-scrollbar,
.flashcard-back::-webkit-scrollbar {
  width: 6px;
}

.flashcard-front::-webkit-scrollbar-thumb,
.flashcard-back::-webkit-scrollbar-thumb {
  background-color: var(--color-accent);
  border-radius: 3px;
}

/* Responsive adjustments for interactive components */
@media (max-width: 768px) {
  .quiz-nav {
    flex-direction: column;
    align-items: center;
  }
  
  .quiz-nav .quiz-btn {
    width: 100%;
    max-width: 200px;
  }
  
  .flashcard {
    margin: var(--spacing-sm) auto;
    padding: var(--spacing-md);
  }
}

/* =====================
   RESPONSIVE FLASHCARD STYLES
   ===================== */

/* Small Devices (landscape phones, 576px and up) */
@media (min-width: 481px) and (max-width: 576px) {
  .flashcard {
    max-width: clamp(400px, 90vw, 500px);
  }
}

/* Medium Devices (tablets, 768px and up) */
@media (min-width: 577px) and (max-width: 768px) {
  .flashcard {
    max-width: 450px;
  }
}

/* Large Devices (desktops, 992px and up) */
@media (min-width: 769px) and (max-width: 992px) {
  .flashcard {
    max-width: clamp(500px, 90vw, 600px);
  }
}

/* Print styles for interactive components */
@media print {
  .quiz-nav,
  .quiz-btn {
    display: none !important;
  }
  
  .flashcard,
  .quiz-container {
    border: 1px solid black !important;
    box-shadow: none !important;
  }
}

/* Safari specific fixes */
@media screen and (-webkit-min-device-pixel-ratio: 0) {
  .flashcard {
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
  }
  
  .flashcard-inner {
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
  }
}

/* Firefox specific fixes */
@-moz-document url-prefix() {
  .flashcard {
    transform-style: preserve-3d;
  }
  
  .flashcard-inner {
    transform-style: preserve-3d;
  }
}

/* Mobile browser optimizations */
@media (max-width: 768px) {
  /* Optimize for mobile scrolling */
  .flashcard-front,
  .flashcard-back {
    -webkit-overflow-scrolling: touch;
  }
}