/* ==========================================
   Flashcard Game Styles
   ========================================== */

/* Screen Management */
.screen {
  min-height: 100vh;
  width: 100%;
}

.screen.hidden {
  display: none !important;
}

/* ==========================================
   Settings Screen
   ========================================== */

.settings-screen {
  background: linear-gradient(135deg, #F8FAFC 0%, #F1F5F9 100%);
  padding: var(--spacing-md);
  overflow-y: auto;
}

.settings-container {
  max-width: 1200px;
  margin: 0 auto;
}

.settings-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  justify-content: space-between; /* Align items to have space between them */
}

/* Style for the start button when it's in the header */
.header-start-button {
  font-size: 1rem; /* Smaller font size */
  padding: var(--spacing-xs) var(--spacing-md); /* Smaller padding */
  min-width: auto; /* Allow natural width */
  box-shadow: var(--shadow-sm); /* Add shadow for prominence */
  order: 3; /* Ensure it's on the right */
}

.back-button {
  font-size: 1.2rem;
  padding: var(--spacing-sm);
  background: var(--color-white);
  border-radius: var(--border-radius);
  min-width: auto;
  min-height: auto;
  text-decoration: none;
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
  order: 1;
}

.settings-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--color-primary);
  flex: 1; /* Allow title to take remaining space */
  text-align: center; /* Center the title if there's space */
  order: 2;
}

.settings-main {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

/* Settings Sections */
.settings-section {
  background: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.section-title {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
}

/* Letter Selection */
.letter-selection-controls {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

/* Row Selection */
.row-selection {
  margin: var(--spacing-md) 0;
  padding: var(--spacing-md);
  background: #F0F7FF;
  border-radius: var(--border-radius);
}

.row-selection-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-secondary);
}

.row-buttons {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.row-button {
  min-height: 50px;
  min-width: auto;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.9rem;
  background: var(--color-white);
  color: var(--color-secondary);
  border: 2px solid var(--color-secondary);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.row-button:hover {
  background: var(--color-secondary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.row-button:active {
  transform: scale(0.95);
}

.row-button-selected {
  background: var(--color-secondary);
  color: var(--color-white);
}

.letter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
  gap: var(--spacing-xs);
}

.letter-checkbox {
  display: none;
}

.letter-label {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: var(--spacing-xs);
  background: var(--color-gray-light);
  border: 2px solid transparent;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.letter-checkbox:checked + .letter-label {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-accent);
  transform: scale(1.05);
}

.letter-label:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-sm);
}

.letter-label:active {
  transform: scale(0.95);
}

.letter-text {
  font-family: var(--font-gurmukhi);
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 700;
}

/* Radio and Checkbox Groups */
.radio-group, .checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.radio-label, .checkbox-label {
  display: flex;
  align-items: center; /* Align items vertically */
  gap: var(--spacing-sm);
  padding: var(--spacing-sm); /* Reduced padding */
  background: var(--color-gray-light);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.radio-label:hover, .checkbox-label:hover {
  background: #E8E8E8;
  transform: translateX(4px);
}

.radio-label input[type="radio"],
.checkbox-label input[type="checkbox"] {
  width: 20px; /* Smaller radio/checkbox */
  height: 20px; /* Smaller radio/checkbox */
  cursor: pointer;
  flex-shrink: 0;
}

.radio-text, .checkbox-text {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.radio-description {
  display: block;
  font-size: 1rem;
  color: var(--color-gray-dark);
  margin-top: 4px;
}



/* ==========================================
   Game Screen
   ========================================== */

.game-screen {
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  overflow: hidden;
}

/* Header */
.flashcard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  z-index: 10;
  position: relative;
}

.icon-button {
  font-size: 2rem;
  min-width: 60px;
  min-height: 60px;
  padding: var(--spacing-sm);
  background: var(--color-gray-light);
  border-radius: var(--border-radius);
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
}

.icon-button:hover {
  background: var(--color-primary);
  transform: scale(1.05);
}

.icon-button:active {
  transform: scale(0.95);
}

.progress-info {
  flex: 1;
  text-align: center;
}

.progress-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-secondary);
}

/* Main Flashcard Area */
.flashcard-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.flashcard {
  width: 100%;
  max-width: 1200px;
  height: 70dvh;
  max-height: 800px;
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  cursor: pointer;
  transition: transform var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.flashcard:active {
  transform: scale(0.98);
}

.flashcard-loading {
  text-align: center;
}

/* Flashcard Content */
.flashcard-image {
  max-width: 90%;
  max-height: 60vh;
  object-fit: contain;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
}

/* Compact Layout - Small Image in Corner */
.flashcard-image-small {
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  max-width: 200px;
  max-height: 200px;
  object-fit: contain;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  z-index: 1;
}

/* Centered Letter */
.flashcard-letter-center {
  font-size: clamp(150px, 20vw, 300px);
  font-family: var(--font-gurmukhi);
  color: var(--color-primary);
  font-weight: 700;
  text-align: center;
  text-shadow: 4px 4px 8px rgba(0, 0, 0, 0.1);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* Word in Bottom Corner */
.flashcard-word-corner {
  position: absolute;
  bottom: var(--spacing-md);
  right: var(--spacing-md);
  text-align: right;
  z-index: 1;
}

.flashcard-letter {
  font-size: clamp(150px, 20vw, 300px);
  font-family: var(--font-gurmukhi);
  color: var(--color-primary);
  font-weight: 700;
  text-align: center;
  text-shadow: 4px 4px 8px rgba(0, 0, 0, 0.1);
}

.flashcard-word {
  font-size: clamp(40px, 6vw, 70px);
  font-family: var(--font-gurmukhi);
  color: var(--color-secondary);
  text-align: right;
  margin: 0;
}

.flashcard-english {
  font-size: clamp(25px, 4vw, 40px);
  color: var(--color-gray-dark);
  margin-top: var(--spacing-xs);
  text-align: right;
  font-style: italic;
}

.flashcard-name {
  font-size: clamp(25px, 4vw, 40px);
  color: var(--color-gray);
  margin-top: var(--spacing-sm);
  text-align: center;
}

.flashcard-empty {
  text-align: center;
}

.empty-icon {
  font-size: clamp(100px, 15vw, 200px);
  margin-bottom: var(--spacing-md);
}

.empty-text {
  font-size: clamp(40px, 6vw, 70px);
  color: var(--color-gray);
  margin-top: var(--spacing-md);
}

/* Flashcard Hint */
.flashcard-hint {
  margin-top: var(--spacing-md);
  text-align: center;
  font-size: 1.25rem;
  color: var(--color-gray);
  animation: pulse 2s infinite;
}

/* ==========================================
   Animations
   ========================================== */

/* Reveal Animation */
.reveal-animation {
  animation: revealPulse 0.6s ease-out;
}

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

/* Background Flash */
.bg-flash {
  animation: bgFlash 0.5s ease-out;
}

@keyframes bgFlash {
  0% {
    background: var(--color-white);
  }
  50% {
    background: #F1F5F9;
  }
  100% {
    background: var(--color-white);
  }
}

/* Card Transitions */
.card-exit {
  animation: cardSlideOut 0.3s ease-in forwards;
}

.card-enter {
  animation: cardSlideIn 0.3s ease-out forwards;
}

@keyframes cardSlideOut {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(-100%);
    opacity: 0;
  }
}

@keyframes cardSlideIn {
  from {
    transform: translateX(100%) scale(0.95);
    opacity: 0;
  }
  to {
    transform: translateX(0) scale(1);
    opacity: 1;
  }
}

/* Confetti Container */
.confetti-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
}

/* Confetti Particle */
.confetti-particle {
  position: absolute;
  width: 10px;
  height: 10px;
  pointer-events: none;
  will-change: transform, opacity;
}

@keyframes confettiFall {
  0% {
    transform: translate(0, 0) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translate(var(--tx), var(--ty)) rotate(360deg);
    opacity: 0;
  }
}

/* Star Sparkle */
.star-sparkle {
  position: absolute;
  font-size: 40px;
  pointer-events: none;
  will-change: transform, opacity;
  animation: starSparkle 1s ease-out forwards;
}

@keyframes starSparkle {
  0% {
    transform: scale(0) rotate(0deg);
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    transform: scale(1.5) rotate(180deg);
    opacity: 0;
  }
}

/* ==========================================
   Complete Screen
   ========================================== */

.complete-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #F8FAFC 0%, #F1F5F9 100%);
  padding: var(--spacing-lg);
}

.complete-container {
  text-align: center;
  max-width: 800px;
  background: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  animation: slideInUp var(--transition-slow);
}

.complete-icon {
  font-size: clamp(100px, 15vw, 200px);
  margin-bottom: var(--spacing-md);
  animation: bounce 1s infinite;
}

.complete-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.complete-message {
  font-size: clamp(1.25rem, 3vw, 2rem);
  color: var(--color-text);
  margin-bottom: var(--spacing-xl);
}

.complete-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ==========================================
   Responsive Adjustments
   ========================================== */

/* Tablets and larger screens */
@media (min-width: 768px) {
  .settings-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
  }

  /* Make the third section (Select Letters) span the full width */
  .settings-section:nth-child(3) {
    grid-column: 1 / -1;
  }
  
  .settings-footer {
    grid-column: 1 / -1;
  }

  .letter-grid {
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
  }

  .letter-label {
    min-height: 60px;
  }
}

/* Landscape Mode (iPad) */
@media (orientation: landscape) {
  .flashcard-main {
    padding: var(--spacing-md);
  }

  .flashcard {
    height: 75dvh;
  }

  .flashcard-letter {
    font-size: clamp(120px, 15vw, 250px);
  }

  .flashcard-word {
    font-size: clamp(40px, 6vw, 80px);
  }
}

/* Large Screens */
@media (min-width: 1024px) {
  .letter-grid {
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
  }

  .letter-label {
    min-height: 70px;
  }

  .letter-text {
    font-size: clamp(1.5rem, 3vw, 2rem);
  }
}

/* ==========================================
   Accessibility
   ========================================== */

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  .flashcard,
  .confetti-particle,
  .star-sparkle,
  .card-exit,
  .card-enter {
    animation: none !important;
    transition: none !important;
  }
}

/* High contrast */
@media (prefers-contrast: high) {
  .flashcard {
    border: 4px solid var(--color-text);
  }

  .letter-label {
    border: 2px solid var(--color-text);
  }
}