/* Namespace: carbon-footprint-visualizer-container */

/* CSS Variables */
.carbon-footprint-visualizer-container {
  /* Backgrounds */
  --bg-primary: #f5f5f0;
  --bg-secondary: #fff;
  --bg-section: #fff;
  
  /* Borders & Text */
  --border-color: #333;
  --text-primary: #222;
  --text-secondary: #555;
  --text-light: #666;
  
  /* Brand Colors */
  --color-accent: #3498db;
  --color-success: #27ae60;
  --color-warning: #f39c12;
  --color-danger: #e74c3c;
  --color-purple: #9b59b6;
  
  /* Shadows (Neobrutalism) */
  --shadow-sm: 2px 2px 0 rgba(0,0,0,0.1);
  --shadow-md: 4px 4px 0 rgba(0,0,0,0.15);
  --shadow-lg: 8px 8px 0 rgba(0,0,0,0.15);
  
  /* Radius */
  --radius-container: 8px;
  --radius-section: 6px;
  --radius-button: 4px;
  --radius-input: 4px;
  
  /* Input Focus */
  --input-focus-bg: #fffacd;
  
  /* Ranks Colors */
  --rank-good-bg: #d4edda;
  --rank-good-text: #155724;
  --rank-avg-bg: #fff3cd;
  --rank-avg-text: #856404;
  --rank-bad-bg: #f8d7da;
  --rank-bad-text: #721c24;
  --rank-terrible-bg: #222;
  --rank-terrible-text: #e74c3c;
  
  /* Copy Button */
  --copy-btn-bg: #fff;
  --copy-btn-hover-bg: #f0f0f0;
}

/* Dark Mode */
.carbon-footprint-visualizer-container.dark {
  --bg-primary: #1a1a1a;
  --bg-secondary: #2d2d2d;
  --bg-section: #2d2d2d;
  --border-color: #e0e0e0;
  --text-primary: #e8e8e8;
  --text-secondary: #b0b0b0;
  --text-light: #909090;
  
  --color-accent: #5dade2;
  --color-success: #52c77a;
  --color-warning: #f5b041;
  --color-danger: #ec7063;
  --color-purple: #af7ac5;
  
  --shadow-sm: 2px 2px 0 rgba(255,255,255,0.08);
  --shadow-md: 4px 4px 0 rgba(255,255,255,0.12);
  --shadow-lg: 8px 8px 0 rgba(255,255,255,0.12);
  
  --input-focus-bg: #3a3a3a;
  
  --rank-good-bg: #1e4d2b;
  --rank-good-text: #d4edda;
  --rank-avg-bg: #533f03;
  --rank-avg-text: #fff3cd;
  --rank-bad-bg: #5a1e25;
  --rank-bad-text: #f8d7da;
  --rank-terrible-bg: #000;
  --rank-terrible-text: #ec7063;
  
  --copy-btn-bg: #3a3a3a;
  --copy-btn-hover-bg: #4a4a4a;
}

/* System Dark Mode Auto-detect */
@media (prefers-color-scheme: dark) {
  .carbon-footprint-visualizer-container:not(.dark):not(.light) {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-section: #2d2d2d;
    --border-color: #e0e0e0;
    --text-primary: #e8e8e8;
    --text-secondary: #b0b0b0;
    --text-light: #909090;
    --color-accent: #5dade2;
    --color-success: #52c77a;
    --color-warning: #f5b041;
    --color-danger: #ec7063;
    --color-purple: #af7ac5;
    --shadow-sm: 2px 2px 0 rgba(255,255,255,0.08);
    --shadow-md: 4px 4px 0 rgba(255,255,255,0.12);
    --shadow-lg: 8px 8px 0 rgba(255,255,255,0.12);
    --input-focus-bg: #3a3a3a;
    
    --rank-good-bg: #1e4d2b;
    --rank-good-text: #d4edda;
    --rank-avg-bg: #533f03;
    --rank-avg-text: #fff3cd;
    --rank-bad-bg: #5a1e25;
    --rank-bad-text: #f8d7da;
    --rank-terrible-bg: #000;
    --rank-terrible-text: #ec7063;
    
    --copy-btn-bg: #3a3a3a;
    --copy-btn-hover-bg: #4a4a4a;
  }
}

/* Global Box Sizing */
.carbon-footprint-visualizer-container,
.carbon-footprint-visualizer-container *,
.carbon-footprint-visualizer-container *::before,
.carbon-footprint-visualizer-container *::after {
  box-sizing: border-box;
}

/* Main Container */
.carbon-footprint-visualizer-container {
  position: relative;
  max-width: 900px;
  width: 100%;
  margin: 8px auto;
  padding: 8px;
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-container);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Malgun Gothic', sans-serif;
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  line-height: 1.5;
}

/* Dark Mode Toggle - Radius 8px ⭐ */
.dark-mode-toggle {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 6px 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px; /* Requested radius */
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 2px 2px 0 rgba(0,0,0,0.15);
  font-size: 17.5px;
  font-weight: 600;
  color: var(--text-primary);
  z-index: 10;
}

.dark-mode-toggle:hover {
  transform: translate(0.5px, 0.5px);
  box-shadow: 1.5px 1.5px 0 rgba(0,0,0,0.15);
}

.dark-mode-toggle:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}

/* Header */
.header {
  margin-bottom: 16px;
  padding: 0 4px;
}

.main-title {
  margin: 0 0 4px 0;
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.subtitle {
  margin: 0;
  font-size: 16px;
  color: var(--text-secondary);
}

/* Grid Layout (2 Columns) */
.main-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

/* Sections */
.input-section,
.result-section {
  background: var(--bg-section);
  padding: 8px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-section);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-color);
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
}

.section-header svg {
  stroke: var(--color-accent);
}

/* Input Styles */
.input-group-wrapper {
  margin-bottom: 12px;
  padding: 8px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-input);
}

.group-title {
  margin: 0 0 8px 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.input-group {
  margin-bottom: 8px;
}

.input-group label {
  display: block;
  margin-bottom: 4px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
}

.input-group input,
.input-group select {
  width: 100%;
  padding: 7px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-input);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 18px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  transition: all 0.2s;
  box-shadow: var(--shadow-sm);
}

/* Number inputs use monospace */
.input-group input[type="number"] {
  font-family: 'Courier New', monospace;
  font-weight: 700;
}

.input-group input:focus,
.input-group select:focus {
  outline: none;
  border-color: var(--color-accent);
  background: var(--input-focus-bg);
  box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.1);
}

.input-description {
  margin-top: 4px;
  font-size: 14.5px;
  color: var(--text-light);
}

/* Buttons */
.calculate-btn {
  width: 100%;
  padding: 8px 16px;
  margin-top: 8px;
  background: var(--color-accent);
  color: #fff;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-button);
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  box-shadow: 4px 4px 0 rgba(0,0,0,0.2);
}

.calculate-btn:hover {
  filter: brightness(1.05);
  transform: translate(1px, 1px);
  box-shadow: 3px 3px 0 rgba(0,0,0,0.2);
}

.calculate-btn:active {
  transform: translate(4px, 4px);
  box-shadow: none;
}

.button-group {
  display: flex;
  gap: 6px;
  margin-top: 6px;
}

.sample-btn,
.reset-btn,
.save-image-btn {
  padding: 6px 12px;
  font-size: 16px;
  font-weight: 500;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-button);
  cursor: pointer;
  transition: all 0.15s;
  box-shadow: 2px 2px 0 rgba(0,0,0,0.2);
}

.sample-btn { background: var(--color-success); color: #fff; flex: 1; }
.reset-btn { background: var(--color-warning); color: #fff; flex: 1; }
.save-image-btn { 
  background: var(--color-purple); 
  color: #fff; 
  width: 100%; 
  margin-top: 8px; 
  font-weight: 600;
}

.sample-btn:hover, .reset-btn:hover, .save-image-btn:hover {
  transform: translate(0.5px, 0.5px);
  box-shadow: 1.5px 1.5px 0 rgba(0,0,0,0.2);
}

.sample-btn:active, .reset-btn:active, .save-image-btn:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}

.save-image-btn.capturing { display: none; }

/* Rank Badge */
.rank-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  margin-bottom: 8px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-button);
  font-weight: 800;
  font-size: 20px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s;
}

.rank-badge.unknown { background: var(--bg-primary); color: var(--text-light); border-style: dashed; }
.rank-badge.good { background: var(--rank-good-bg); color: var(--rank-good-text); }
.rank-badge.avg { background: var(--rank-avg-bg); color: var(--rank-avg-text); }
.rank-badge.bad { background: var(--rank-bad-bg); color: var(--rank-bad-text); }
.rank-badge.terrible { background: var(--rank-terrible-bg); color: var(--rank-terrible-text); }

/* Savings Alert */
.savings-alert {
  margin-bottom: 8px;
  padding: 8px;
  background: var(--input-focus-bg);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-button);
  font-size: 15px;
  color: var(--text-primary);
  font-weight: 600;
}
.savings-alert.hidden { display: none; }
.savings-alert span { color: var(--color-accent); }

/* Results */
.result-item {
  padding: 8px;
  margin-bottom: 6px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-button);
  box-shadow: var(--shadow-sm);
}

.result-label {
  display: block;
  font-size: 15.5px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.result-value {
  display: block;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  font-family: 'Courier New', monospace;
}

.result-value.highlight {
  font-size: 26px;
  color: var(--color-danger);
}

.result-value .unit {
  font-size: 16px;
  color: var(--text-light);
  font-family: -apple-system, sans-serif;
}

/* Fun Facts */
.fun-facts-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 8px;
}

.fact-card {
  background: var(--bg-primary);
  padding: 8px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-button);
  display: flex;
  align-items: center;
  gap: 8px;
}

.fact-icon { font-size: 24px; }

.fact-text { display: flex; flex-direction: column; }
.fact-text strong { font-size: 13px; color: var(--text-secondary); }
.fact-text span { font-size: 16px; font-weight: 700; color: var(--text-primary); }

/* Tree Viz */
.tree-visualization-container {
  margin: 8px 0;
  padding: 10px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-section);
  min-height: 100px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.tree-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  justify-content: center;
  width: 100%;
}

.tree-icon {
  width: 20px;
  height: 20px;
  transition: transform 0.2s;
}
.tree-icon:hover { transform: scale(1.4); }

.empty-state {
  color: var(--text-light);
  font-size: 15px;
  font-style: italic;
}

/* Chart */
.chart-container {
  margin-top: auto; /* Push to bottom if space allows */
  padding: 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-section);
  height: 180px;
  position: relative;
}

/* Info Section */
.info-section {
  margin-top: 8px;
  padding: 8px;
  font-size: 14px;
  color: var(--text-light);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-section);
}

/* Watermark */
.watermark {
  position: absolute;
  bottom: 10px;
  right: 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-light);
  opacity: 0.6;
  pointer-events: none;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 10px 16px;
  background: var(--text-primary);
  color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-button);
  font-size: 16px;
  font-weight: 500;
  box-shadow: 4px 4px 0 rgba(0,0,0,0.3);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}
.toast.show { opacity: 1; visibility: visible; transform: translateY(-5px); }
.toast.success { background: var(--color-success); color: #fff; }
.toast.error { background: var(--color-danger); color: #fff; }

/* Responsive */
@media (max-width: 768px) {
  .carbon-footprint-visualizer-container {
    margin: 6px 5px;
    padding: 7px;
    width: calc(100% - 10px);
  }
  .main-grid { grid-template-columns: 1fr; gap: 6px; }
  .main-title { font-size: 24px; }
  .fun-facts-container { grid-template-columns: 1fr; }
}