/* バラバラ漢字パズル - WordPress プラグイン用スタイル */

.kanji-puzzle-container {
  --kanji-puzzle-primary-blue: #3b82f6;
  --kanji-puzzle-primary-green: #10b981;
  --kanji-puzzle-primary-orange: #f59e0b;
  --kanji-puzzle-gray-50: #f9fafb;
  --kanji-puzzle-gray-100: #f3f4f6;
  --kanji-puzzle-gray-200: #e5e7eb;
  --kanji-puzzle-gray-300: #d1d5db;
  --kanji-puzzle-gray-500: #6b7280;
  --kanji-puzzle-gray-700: #374151;
  --kanji-puzzle-gray-800: #1f2937;
  --kanji-puzzle-gray-900: #111827;
  --kanji-puzzle-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --kanji-puzzle-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --kanji-puzzle-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --kanji-puzzle-radius-lg: 0.75rem;
  --kanji-puzzle-radius-xl: 1rem;
  
  max-width: 1400px;
  margin: 2rem auto;
  padding: 1.5rem;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2rem;
  align-items: start;
  background: linear-gradient(135deg, var(--kanji-puzzle-gray-50) 0%, #e0f2fe 100%);
  border-radius: var(--kanji-puzzle-radius-xl);
  box-shadow: var(--kanji-puzzle-shadow-lg);
  color: var(--kanji-puzzle-gray-800);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

.kanji-puzzle-container * {
  box-sizing: border-box;
}

.kanji-puzzle-main-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.kanji-puzzle-header {
  text-align: center;
  background: white;
  border-radius: var(--kanji-puzzle-radius-xl);
  padding: 2rem;
  box-shadow: var(--kanji-puzzle-shadow-md);
}

.kanji-puzzle-header h1 {
  margin: 0 0 0.5rem 0;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--kanji-puzzle-gray-900);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.kanji-puzzle-header-emoji {
  font-size: 2.5rem;
}

.kanji-puzzle-header p {
  margin: 0;
  color: var(--kanji-puzzle-gray-500);
  font-size: 1rem;
}

.kanji-puzzle-game-area {
  background: white;
  border-radius: var(--kanji-puzzle-radius-xl);
  padding: 2rem;
  box-shadow: var(--kanji-puzzle-shadow-md);
}

.kanji-puzzle-canvas-container {
  position: relative;
  width: 100%;
  max-width: 600px;
  margin: 0 auto 2rem auto;
  border-radius: var(--kanji-puzzle-radius-lg);
  overflow: hidden;
  box-shadow: var(--kanji-puzzle-shadow-lg);
}

.kanji-puzzle-canvas-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1/1;
}

#kanji-puzzle-cv {
  display: block;
  width: 100%;
  height: 100%;
  background: white;
}

.kanji-puzzle-controls {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}

.kanji-puzzle-btn {
  appearance: none;
  border: none;
  padding: 1rem 2rem;
  border-radius: var(--kanji-puzzle-radius-lg);
  font-weight: 700;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.2s;
  box-shadow: var(--kanji-puzzle-shadow-sm);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.kanji-puzzle-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--kanji-puzzle-shadow-md);
}

.kanji-puzzle-btn:active {
  transform: translateY(0);
}

.kanji-puzzle-btn-primary {
  background: var(--kanji-puzzle-primary-blue);
  color: white;
}

.kanji-puzzle-btn-primary:hover {
  background: #2563eb;
}

.kanji-puzzle-btn-success {
  background: var(--kanji-puzzle-primary-green);
  color: white;
}

.kanji-puzzle-btn-success:hover {
  background: #059669;
}

.kanji-puzzle-btn-secondary {
  background: var(--kanji-puzzle-gray-500);
  color: white;
}

.kanji-puzzle-btn-secondary:hover {
  background: var(--kanji-puzzle-gray-600);
}

.kanji-puzzle-game-info {
  background: var(--kanji-puzzle-gray-50);
  border: 2px solid var(--kanji-puzzle-gray-200);
  border-radius: var(--kanji-puzzle-radius-lg);
  padding: 0.75rem 1.25rem;
  font-weight: 600;
  color: var(--kanji-puzzle-gray-700);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  justify-content: center;
}

/* サイドバー */
.kanji-puzzle-sidebar {
  background: white;
  border-radius: var(--kanji-puzzle-radius-xl);
  padding: 1.5rem;
  box-shadow: var(--kanji-puzzle-shadow-md);
  height: fit-content;
  position: sticky;
  top: 1.5rem;
}

.kanji-puzzle-sidebar-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--kanji-puzzle-gray-900);
  margin: 0 0 1.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 2px solid var(--kanji-puzzle-gray-100);
  padding-bottom: 0.75rem;
}

.kanji-puzzle-control-section {
  margin-bottom: 2rem;
}

.kanji-puzzle-control-section:last-child {
  margin-bottom: 0;
}

.kanji-puzzle-section-title {
  font-weight: 700;
  color: var(--kanji-puzzle-gray-700);
  margin-bottom: 1rem;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.kanji-puzzle-select-row {
  margin-bottom: 1rem;
}

.kanji-puzzle-select-label {
  font-weight: 600;
  color: var(--kanji-puzzle-gray-700);
  display: block;
  margin-bottom: 0.5rem;
}

.kanji-puzzle-select-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--kanji-puzzle-gray-200);
  border-radius: var(--kanji-puzzle-radius-lg);
  background: white;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.kanji-puzzle-select-input:focus {
  outline: none;
  border-color: var(--kanji-puzzle-primary-blue);
  box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

.kanji-puzzle-select-input:disabled {
  background: var(--kanji-puzzle-gray-100);
  color: var(--kanji-puzzle-gray-500);
}

.kanji-puzzle-radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.kanji-puzzle-radio-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border: 2px solid var(--kanji-puzzle-gray-200);
  border-radius: var(--kanji-puzzle-radius-lg);
  background: white;
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 500;
  user-select: none;
  font-size: 0.9rem;
}

.kanji-puzzle-radio-option:hover {
  background: var(--kanji-puzzle-gray-50);
  border-color: var(--kanji-puzzle-gray-300);
}

.kanji-puzzle-radio-option.kanji-puzzle-selected {
  background: var(--kanji-puzzle-primary-blue);
  border-color: var(--kanji-puzzle-primary-blue);
  color: white;
}

.kanji-puzzle-radio-option.kanji-puzzle-selected.kanji-puzzle-level-easy {
  background: var(--kanji-puzzle-primary-green);
  border-color: var(--kanji-puzzle-primary-green);
}

.kanji-puzzle-radio-option.kanji-puzzle-selected.kanji-puzzle-level-hard {
  background: var(--kanji-puzzle-primary-orange);
  border-color: var(--kanji-puzzle-primary-orange);
}

.kanji-puzzle-radio-input {
  display: none;
}

.kanji-puzzle-checkbox-row {
  margin-bottom: 1rem;
}

.kanji-puzzle-checkbox-option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  border: 2px solid var(--kanji-puzzle-gray-200);
  border-radius: var(--kanji-puzzle-radius-lg);
  background: white;
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 600;
  user-select: none;
  font-size: 0.9rem;
}

.kanji-puzzle-checkbox-option:hover {
  background: var(--kanji-puzzle-gray-50);
  border-color: var(--kanji-puzzle-gray-300);
}

.kanji-puzzle-checkbox-option.kanji-puzzle-checked {
  background: var(--kanji-puzzle-primary-blue);
  border-color: var(--kanji-puzzle-primary-blue);
  color: white;
}

.kanji-puzzle-checkbox-input {
  display: none;
}

.kanji-puzzle-checkbox-custom {
  width: 20px;
  height: 20px;
  border: 2px solid currentColor;
  border-radius: 4px;
  position: relative;
  flex-shrink: 0;
}

.kanji-puzzle-checkbox-option.kanji-puzzle-checked .kanji-puzzle-checkbox-custom::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-weight: bold;
  font-size: 12px;
}

.kanji-puzzle-status-info {
  background: linear-gradient(135deg, var(--kanji-puzzle-gray-50) 0%, #f0f9ff 100%);
  padding: 1rem;
  border-radius: var(--kanji-puzzle-radius-lg);
  border: 2px solid var(--kanji-puzzle-gray-200);
  font-weight: 600;
  color: var(--kanji-puzzle-gray-700);
  font-size: 0.9rem;
  text-align: center;
}

.kanji-puzzle-emoji {
  font-size: 1.2em;
}

/* レスポンシブ対応 */
@media (max-width: 1024px) {
  .kanji-puzzle-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .kanji-puzzle-sidebar {
    position: static;
    order: -1;
  }
  
  .kanji-puzzle-radio-group {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

@media (max-width: 768px) {
  .kanji-puzzle-container {
    padding: 1rem;
    margin: 1rem;
  }
  
  .kanji-puzzle-header {
    padding: 1.5rem;
  }
  
  .kanji-puzzle-header h1 {
    font-size: 1.8rem;
  }
  
  .kanji-puzzle-game-area {
    padding: 1.5rem;
  }
  
  .kanji-puzzle-controls {
    flex-direction: column;
    align-items: stretch;
  }
  
  .kanji-puzzle-btn {
    justify-content: center;
  }
  
  .kanji-puzzle-game-info {
    justify-content: center;
  }
  
  .kanji-puzzle-sidebar {
    padding: 1.25rem;
  }
  
  .kanji-puzzle-radio-group {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .kanji-puzzle-header h1 {
    font-size: 1.6rem;
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .kanji-puzzle-sidebar-title {
    font-size: 1.2rem;
  }
  
  .kanji-puzzle-btn {
    padding: 0.875rem 1.5rem;
    font-size: 0.9rem;
  }
}

/* アニメーション */
@keyframes kanji-puzzle-fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.kanji-puzzle-control-section {
  animation: kanji-puzzle-fadeIn 0.3s ease-out;
}

.kanji-puzzle-sidebar {
  animation: kanji-puzzle-fadeIn 0.4s ease-out;
}

.kanji-puzzle-game-area {
  animation: kanji-puzzle-fadeIn 0.5s ease-out;
}