/* Code Craft - Complete CSS with Full Responsiveness */

/* CSS Variables */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #16213e;
  --text-primary: #e0e6ed;
  --text-secondary: #a8b2d1;
  --accent: #00d4ff;
  --accent-glow: rgba(0, 212, 255, 0.3);
  --success: #00ff88;
  --warning: #ffaa00;
  --error: #ff4757;
  --border: rgba(255, 255, 255, 0.1);
  --shadow: rgba(0, 0, 0, 0.3);
  
  --font-family: 'Space Grotesk', -apple-system, sans-serif;
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
}

body.light-mode {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #e2e8f0;
  --text-primary: #1a202c;
  --text-secondary: #4a5568;
  --border: rgba(0, 0, 0, 0.1);
  --shadow: rgba(0, 0, 0, 0.1);
}

/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  background-image: 
    radial-gradient(circle at 25% 25%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(0, 255, 136, 0.1) 0%, transparent 50%);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
  transition: all var(--transition-normal);
}

/* Header */
.header {
  background: rgba(26, 26, 46, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 200;
  box-shadow: 0 4px 6px var(--shadow);
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  user-select: none;
}

.logo-icon {
  font-size: 2rem;
  animation: pulse 2s infinite;
  filter: drop-shadow(0 0 10px var(--accent));
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.9; }
}

.header-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.theme-toggle {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 1.125rem;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  background: var(--accent);
  color: var(--bg-primary);
  transform: scale(1.05);
}

.level-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.level-text {
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  font-size: 1rem;
}

.progress-bar {
  width: 100px;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--success));
  width: 0%;
  transition: width 0.5s ease;
  box-shadow: 0 0 10px var(--accent-glow);
}

.score {
  font-weight: 600;
  color: var(--success);
  display: flex;
  gap: var(--spacing-xs);
  transition: all var(--transition-fast);
  font-size: 1rem;
}

.score-label {
  color: var(--text-secondary);
  font-weight: 400;
}

/* Main Container */
.game-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-lg);
  display: grid;
  grid-template-columns: 1fr 280px 1fr;
  gap: var(--spacing-xl);
  min-height: calc(100vh - 100px);
}

/* Panels */
.code-panel,
.inventory-panel,
.puzzle-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px var(--shadow);
  position: relative;
  overflow: hidden;
}

.code-panel::before,
.inventory-panel::before,
.puzzle-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.6;
}

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

.panel-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.header-buttons {
  display: flex;
  gap: var(--spacing-sm);
}

/* Recipe */
.recipe-display {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.recipe-title {
  font-weight: 600;
  color: var(--accent);
  margin-bottom: var(--spacing-sm);
}

.recipe-content {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 0.9rem;
}

.recipe-content code {
  background: var(--bg-primary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-family: 'Monaco', 'Consolas', monospace;
  font-size: 0.875rem;
  color: var(--accent);
}

/* Code Editor */
.code-editor-container {
  margin-bottom: var(--spacing-lg);
}

.editor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-tertiary);
  border: 2px solid var(--border);
  border-bottom: none;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.editor-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.editor-info {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.code-editor {
  width: 100%;
  height: 280px;
  background: var(--bg-primary);
  border: 2px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  padding: var(--spacing-md);
  font-family: 'Monaco', 'Consolas', monospace;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--text-primary);
  resize: vertical;
  transition: all var(--transition-fast);
}

.code-editor:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.editor-controls {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.craft-btn {
  flex: 1;
  background: linear-gradient(135deg, var(--accent), var(--success));
  border: none;
  border-radius: var(--radius-md);
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--bg-primary);
  font-weight: 600;
  font-family: var(--font-family);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  min-height: 44px;
  font-size: 1rem;
}

.craft-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--accent-glow);
}

.craft-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.craft-btn.loading {
  position: relative;
  overflow: hidden;
}

.craft-btn.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 1s infinite;
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

.clear-btn,
.hint-btn,
.reset-puzzle-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-secondary);
  font-family: var(--font-family);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  min-height: 40px;
  font-size: 0.875rem;
}

.clear-btn:hover,
.hint-btn:hover,
.reset-puzzle-btn:hover {
  background: var(--accent);
  color: var(--bg-primary);
  border-color: var(--accent);
}

/* Console */
.console {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.console-header {
  background: var(--bg-tertiary);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

.console-content {
  padding: var(--spacing-md);
  font-family: 'Monaco', 'Consolas', monospace;
  font-size: 0.8rem;
  max-height: 140px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.console-content > div {
  padding: 2px 0;
  border-left: 3px solid transparent;
  padding-left: var(--spacing-sm);
  margin-bottom: 2px;
}

.console-success { color: var(--success); border-left-color: var(--success); }
.console-error { color: var(--error); border-left-color: var(--error); }
.console-warning { color: var(--warning); border-left-color: var(--warning); }
.console-info { color: var(--accent); border-left-color: var(--accent); }

/* Inventory */
.inventory-stats {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
}

.inventory-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(75px, 1fr));
  gap: var(--spacing-sm);
  min-height: 180px;
  max-height: 500px;
  overflow-y: auto;
  padding: var(--spacing-sm);
  border: 2px dashed var(--border);
  border-radius: var(--radius-md);
}

.inventory-empty {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  color: var(--text-secondary);
  text-align: center;
  min-height: 180px;
}

.empty-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.5;
}

.empty-text {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

.empty-hint {
  font-size: 0.875rem;
  opacity: 0.7;
}

.inventory-item {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: grab;
  transition: all var(--transition-fast);
  min-height: 75px;
}

.inventory-item:hover {
  background: var(--accent);
  color: var(--bg-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--accent-glow);
}

.inventory-item.dragging {
  opacity: 0.5;
}

.item-icon {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-xs);
}

.item-name {
  font-size: 0.75rem;
  font-weight: 500;
  text-align: center;
  line-height: 1.2;
}

.item-stats {
  font-size: 0.7rem;
  opacity: 0.8;
  margin-top: 2px;
  text-align: center;
}

/* Puzzle */
.puzzle-description {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.puzzle-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  min-height: 280px;
  padding: var(--spacing-lg);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  background: radial-gradient(circle, var(--bg-tertiary), var(--bg-secondary));
}

.puzzle-target {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 2px solid var(--border);
  background: var(--bg-secondary);
}

.target-icon {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-md);
}

.target-label {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.target-hint {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-align: center;
}

.drop-zone {
  width: 130px;
  height: 130px;
  border: 3px dashed var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  background: var(--bg-primary);
}

.drop-zone-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-xs);
}

.drop-zone-text {
  font-size: 0.875rem;
}

.drop-zone.drag-over {
  border-color: var(--accent);
  background: var(--accent-glow);
  color: var(--accent);
  transform: scale(1.05);
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal.show {
  opacity: 1;
  visibility: visible;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
  z-index: 1001;
  transform: scale(0.9);
  transition: all var(--transition-normal);
}

.modal.show .modal-content {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  color: var(--accent);
  font-size: 1.25rem;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  line-height: 1;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  color: var(--error);
  transform: scale(1.1);
}

.modal-body {
  padding: var(--spacing-lg);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Particles */
.particles-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 999;
}

.particle {
  position: absolute;
  font-size: 1.2rem;
  animation: particle-float 2s ease-out forwards;
}

@keyframes particle-float {
  0% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateY(-100px) scale(0.5);
  }
}

.crafting {
  animation: glow-pulse 1s ease-in-out;
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 20px var(--accent-glow); }
  50% { box-shadow: 0 0 40px var(--accent-glow); }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-tertiary);
}

::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: var(--radius-sm);
}

/* Responsive */
@media (max-width: 1024px) {
  .game-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .inventory-panel {
    order: 2;
  }
  
  .puzzle-panel {
    order: 3;
  }
}

@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .logo {
    font-size: 1.25rem;
  }
  
  .logo-icon {
    font-size: 1.5rem;
  }
  
  .header-controls {
    width: 100%;
    justify-content: space-between;
  }
  
  .progress-bar {
    width: 80px;
  }
  
  .game-container {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  
  .code-editor {
    height: 220px;
    font-size: 0.8rem;
  }
  
  .editor-controls {
    flex-direction: column;
  }
  
  .craft-btn {
    width: 100%;
  }
  
  .inventory-grid {
    grid-template-columns: repeat(auto-fill, minmax(65px, 1fr));
  }
  
  .target-icon {
    font-size: 3rem;
  }
  
  .drop-zone {
    width: 110px;
    height: 110px;
  }
}

@media (max-width: 480px) {
  .panel-header h2 {
    font-size: 1.125rem;
  }
  
  .recipe-content {
    font-size: 0.85rem;
  }
  
  .code-editor {
    height: 200px;
  }
  
  .console-content {
    font-size: 0.75rem;
    max-height: 120px;
  }
  
  .inventory-grid {
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
  }
  
  .inventory-item {
    min-height: 65px;
  }
}