/* CSS Variables for Theme Management */
:root {
  /* Light Theme Colors */
  --primary-color: #6366f1;
  --primary-hover: #5855eb;
  --secondary-color: #f1f5f9;
  --accent-color: #06b6d4;
  
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  
  --border-color: #e2e8f0;
  --border-light: #f1f5f9;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  
  --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  
  --transition-base: all 0.2s ease-in-out;
  --transition-fast: all 0.15s ease-in-out;
  --transition-slow: all 0.3s ease-in-out;
  
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
}

/* Dark Theme Colors */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-card: #1e293b;
  
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  
  --border-color: #334155;
  --border-light: #475569;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-base);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  transition: var(--transition-base);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

/* Container & Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Theme Toggle */
.theme-toggle {
  position: fixed;
  top: var(--spacing-md);
  right: var(--spacing-md);
  z-index: 1000;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-sm);
  cursor: pointer;
  transition: var(--transition-base);
  box-shadow: var(--shadow-md);
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  background: var(--bg-tertiary);
  box-shadow: var(--shadow-lg);
}

.theme-toggle i {
  font-size: 1.25rem;
  color: var(--text-primary);
  transition: var(--transition-base);
}

.theme-toggle #sunIcon {
  display: none;
}

[data-theme="dark"] .theme-toggle #moonIcon {
  display: none;
}

[data-theme="dark"] .theme-toggle #sunIcon {
  display: block;
}

/* Header */
.header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: var(--spacing-xl) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.header-content {
  text-align: center;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.logo i {
  font-size: 2rem;
}

.tagline {
  color: var(--text-secondary);
  font-size: 1.125rem;
  margin: 0;
}

/* Navigation */
.navigation {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 120px;
  z-index: 99;
}

.nav-header {
  display: none;
}

.nav-menu {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  list-style: none;
  flex-wrap: wrap;
}

.nav-item {
  margin: 0;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--border-radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-base);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
}

.nav-link:hover {
  background: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.nav-link.active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.nav-link i {
  font-size: 1rem;
}

/* Mobile Navigation */
.nav-toggle {
  display: none;
  flex-direction: column;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
  gap: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-base);
}

/* Main Content */
.main {
  padding: var(--spacing-2xl) 0;
  min-height: calc(100vh - 200px);
}

/* Tool Sections */
.tool {
  display: none;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition-slow);
}

.tool.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.tool-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.tool-header h2 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.tool-header p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin: 0;
}

.tool-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: start;
}

/* Controls Panel */
.controls-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
}

.control-group {
  margin-bottom: var(--spacing-lg);
}

.control-group:last-child {
  margin-bottom: 0;
}

.control-group label {
  display: block;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  font-size: 0.875rem;
}

.control-section {
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--border-color);
}

.control-section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.control-section h3 {
  font-size: 1.125rem;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--primary-color);
}

/* Form Controls */
.range-container {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.range-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition-base);
}

.range-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border-radius: 50%;
  cursor: pointer;
  border: none;
  transition: var(--transition-base);
}

.range-slider:hover::-webkit-slider-thumb,
.range-slider:hover::-moz-range-thumb {
  transform: scale(1.1);
  box-shadow: var(--shadow-md);
}

.range-value {
  font-family: var(--font-family-mono);
  font-size: 0.875rem;
  color: var(--text-secondary);
  min-width: 4rem;
  text-align: right;
}

/* Manual input groups */
.manual-input-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  min-width: 100px;
}

.manual-input {
  width: 60px;
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.875rem;
  transition: var(--transition-base);
  font-family: var(--font-family-mono);
}

.manual-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.manual-input:disabled {
  background: var(--bg-tertiary);
  color: var(--text-muted);
  cursor: not-allowed;
}

.unit-select {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition-base);
  min-width: 60px;
}

.unit-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.unit-select:disabled {
  background: var(--bg-tertiary);
  color: var(--text-muted);
  cursor: not-allowed;
}

.unit-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
  min-width: 40px;
  text-align: center;
}

.color-picker {
  width: 50px;
  height: 40px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  background: none;
}

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

.color-input-container {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.hex-input {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-family: var(--font-family-mono);
  font-size: 0.875rem;
}

.select-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 0.875rem;
}

.text-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 0.875rem;
}

.textarea-input {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-family: var(--font-family-mono);
  font-size: 0.875rem;
  resize: vertical;
  min-height: 120px;
}

/* Checkbox Styles */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  margin-bottom: 0;
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  transition: var(--transition-base);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  background: transparent;
  border: 1px solid transparent;
  min-height: 2.5rem;
}

.checkbox-label:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
}

.checkbox-label input[type="checkbox"] {
  display: none;
}

.checkbox-custom {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: var(--bg-card);
  position: relative;
  transition: var(--transition-base);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.checkbox-label:hover .checkbox-custom {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.1);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
  background: var(--primary-color);
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 14px;
  font-weight: bold;
}

.checkbox-label input[type="checkbox"]:focus + .checkbox-custom {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Radio Button Styles */
.radio-group {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  margin-bottom: 0;
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  transition: var(--transition-base);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  background: transparent;
  border: 1px solid transparent;
  min-height: 2.5rem;
}

.radio-label:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
}

.radio-label input[type="radio"] {
  display: none;
}

.radio-custom {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border-color);
  border-radius: 50%;
  background: var(--bg-card);
  position: relative;
  transition: var(--transition-base);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.radio-label:hover .radio-custom {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.1);
}

.radio-label input[type="radio"]:checked + .radio-custom {
  background: var(--primary-color);
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.radio-label input[type="radio"]:checked + .radio-custom::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  background: white;
  border-radius: 50%;
}

.radio-label input[type="radio"]:focus + .radio-custom {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Button Styles */
button {
  font-family: inherit;
  font-size: 0.875rem;
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition-base);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

.copy-btn {
  background: var(--primary-color);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  font-weight: 500;
}

.copy-btn:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.add-stop-btn,
.add-item-btn {
  background: linear-gradient(135deg, var(--success-color), #10b981);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  font-weight: 500;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  border: none;
  min-height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  font-size: 0.875rem;
  transition: var(--transition-base);
}

.add-stop-btn:hover,
.add-item-btn:hover {
  background: linear-gradient(135deg, #10b981, #059669);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.remove-stop-btn,
.remove-item-btn {
  background: linear-gradient(135deg, var(--error-color), #dc2626);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  min-width: 3rem;
  height: 2.5rem;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition-base);
}

.remove-stop-btn:hover,
.remove-item-btn:hover {
  background: linear-gradient(135deg, #dc2626, #b91c1c);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.remove-stop-btn:disabled,
.remove-item-btn:disabled {
  background: var(--text-muted);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
  opacity: 0.6;
}

.test-btn {
  background: var(--primary-color);
  color: white;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-weight: 500;
}

.test-btn:hover {
  background: var(--primary-hover);
}

.clear-btn {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: var(--spacing-sm) var(--spacing-lg);
  border: 1px solid var(--border-color);
}

.clear-btn:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.swap-colors-btn {
  background: var(--accent-color);
  color: white;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-weight: 500;
  width: 100%;
}

.swap-colors-btn:hover {
  background: #0891b2;
}

/* Button Groups */
.control-group:has(.add-item-btn, .remove-item-btn) {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  flex-wrap: wrap;
}

.control-group:has(.add-item-btn, .remove-item-btn) .add-item-btn,
.control-group:has(.add-item-btn, .remove-item-btn) .remove-item-btn {
  flex: 0 0 auto;
  white-space: nowrap;
}

/* Flexbox Item Control Buttons */
.flexbox-controls {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.flexbox-controls .add-item-btn {
  background: linear-gradient(135deg, var(--success-color), #10b981);
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.flexbox-controls .remove-item-btn {
  background: linear-gradient(135deg, var(--error-color), #ef4444);
  box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
}

/* Preview Panel */
.preview-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
}

.preview-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.preview-element {
  width: 200px;
  height: 150px;
  background: white;
  border-radius: var(--border-radius-md);
}

/* Gradient Preview */
.gradient-preview {
  width: 100%;
  height: 100%;
  border-radius: var(--border-radius-md);
  min-height: 300px;
}

/* Flexbox Preview */
.flexbox-container {
  width: 100%;
  height: 300px;
  background: rgba(99, 102, 241, 0.1);
  border: 2px dashed var(--primary-color);
  border-radius: var(--border-radius-md);
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: stretch;
  flex-wrap: nowrap;
  align-content: stretch;
  padding: var(--spacing-sm);
  gap: var(--spacing-sm);
}

.flex-item {
  background: var(--primary-color);
  color: white;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  min-width: 60px;
  min-height: 60px;
  cursor: pointer;
  transition: var(--transition-base);
  border: 2px solid transparent;
}

.flex-item:hover {
  background: var(--primary-hover);
  transform: scale(1.05);
}

.flex-item.selected {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.3);
}

/* Clip Path Preview */
.clip-path-preview {
  position: relative;
  width: 100%;
  height: 300px;
  overflow: hidden;
  border-radius: var(--border-radius-md);
}

.clip-path-element {
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, #6366f1, #8b5cf6);
  border-radius: var(--border-radius-md);
}

.clip-path-element img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--border-radius-md);
}

.polygon-points {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.polygon-point {
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--accent-color);
  border: 2px solid white;
  border-radius: 50%;
  cursor: grab;
  transform: translate(-50%, -50%);
  pointer-events: all;
  z-index: 10;
}

.polygon-point:active {
  cursor: grabbing;
}

/* Shape Presets */
.preset-shapes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
}

.shape-preset {
  padding: var(--spacing-sm) var(--spacing-xs);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-secondary);
  font-size: 0.75rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  cursor: pointer;
  transition: var(--transition-base);
  min-height: 60px;
}

.shape-preset:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.shape-preset.active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

.shape-preset i {
  font-size: 1.2rem;
  margin-bottom: 2px;
}

/* Mobile responsiveness for shape presets */
@media (max-width: 768px) {
  .preset-shapes {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xs);
  }
  
  .shape-preset {
    padding: var(--spacing-xs);
    min-height: 50px;
    font-size: 0.7rem;
  }
  
  .shape-preset i {
    font-size: 1rem;
  }
}

.shape-preset.active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

/* Color Stops */
.color-stops-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.color-stops {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.color-stop {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
}

/* RegEx Styles */
.regex-input-container {
  position: relative;
}

.regex-flags {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-sm);
}

.regex-error {
  color: var(--error-color);
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
  min-height: 1.25rem;
}

.regex-actions {
  display: flex;
  gap: var(--spacing-md);
}

.highlighted-text {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  font-family: var(--font-family-mono);
  white-space: pre-wrap;
  line-height: 1.6;
  min-height: 200px;
  margin-bottom: var(--spacing-lg);
}

.match-highlight {
  background: rgba(6, 182, 212, 0.3);
  border-radius: 2px;
  padding: 1px 2px;
}

.results-container {
  max-height: 500px;
  overflow-y: auto;
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.match-count {
  font-family: var(--font-family-mono);
  font-size: 0.875rem;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
}

.matches-list {
  margin-top: var(--spacing-lg);
}

.matches-list h4 {
  font-size: 1rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.matches-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  font-family: var(--font-family-mono);
  font-size: 0.875rem;
  max-height: 200px;
  overflow-y: auto;
}

.match-item {
  margin-bottom: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--border-light);
}

.match-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.match-text {
  color: var(--accent-color);
  font-weight: 500;
}

.match-groups {
  margin-top: var(--spacing-xs);
  color: var(--text-secondary);
}

/* Contrast Checker */
.contrast-preview {
  background: var(--bg-secondary);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.preview-text {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  line-height: 1.5;
}

.normal-text {
  font-size: 16px;
}

.large-text {
  font-size: 24px;
  font-weight: 600;
}

.contrast-results {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.contrast-ratio {
  text-align: center;
}

.ratio-value {
  font-size: 3rem;
  font-weight: bold;
  color: var(--primary-color);
  font-family: var(--font-family-mono);
  margin-top: var(--spacing-sm);
}

.wcag-results {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
}

.compliance-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.compliance-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-md);
  text-align: center;
}

.compliance-label {
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.compliance-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
}

.compliance-status.pass {
  color: var(--success-color);
}

.compliance-status.fail {
  color: var(--error-color);
}

.compliance-requirement {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-family: var(--font-family-mono);
}

.color-suggestions {
  margin-top: var(--spacing-lg);
}

.preset-colors {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
}

.color-preset {
  aspect-ratio: 1;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  background: transparent;
  padding: 0;
}

.color-preset span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font-weight: bold;
  font-size: 1.25rem;
}

.color-preset:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
}

/* Color preset buttons */
.color-presets {
  display: flex;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
  flex-wrap: wrap;
}

.color-preset-btn {
  width: 32px;
  height: 32px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition-base);
  position: relative;
}

.color-preset-btn:hover {
  transform: scale(1.1);
  border-color: var(--primary-color);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.color-preset-btn:active {
  transform: scale(0.95);
}

/* Code Output */
.code-output {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

.code-header span {
  font-weight: 500;
  color: var(--text-primary);
}

.code-tabs {
  display: flex;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

.code-tab {
  padding: var(--spacing-sm) var(--spacing-md);
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.875rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

.code-tab:hover {
  color: var(--text-primary);
  background: var(--bg-card);
}

.code-tab.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
  background: var(--bg-card);
}

.code-block {
  padding: var(--spacing-md);
  margin: 0;
  font-family: var(--font-family-mono);
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--text-primary);
  background: transparent;
  white-space: pre-wrap;
  word-break: break-all;
}

/* Enhanced polygon controls */
.polygon-controls {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.polygon-stats {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.polygon-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.clear-polygon-btn {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
  border: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: var(--transition-base);
}

.clear-polygon-btn:hover {
  background: linear-gradient(135deg, #d97706, #b45309);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.clear-polygon-btn:active {
  transform: translateY(0);
}

/* Polygon info section */
.polygon-info {
  padding: var(--spacing-md);
  background: var(--bg-tertiary);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
}

.polygon-info p {
  margin: 0 0 var(--spacing-sm) 0;
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.4;
}

/* Mobile responsiveness for polygon controls */
@media (max-width: 768px) {
  .polygon-actions {
    flex-direction: column;
  }
  
  .reset-polygon-btn,
  .clear-polygon-btn {
    width: 100%;
    justify-content: center;
  }
}

/* Utility Classes */
.hidden {
  display: none !important;
}

.item-info {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: var(--spacing-md);
}

.polygon-info {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-md);
}

.polygon-info p {
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.reset-polygon-btn {
  background: var(--warning-color);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  font-weight: 500;
  width: 100%;
}

.reset-polygon-btn:hover {
  background: #d97706;
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  background: var(--success-color);
  color: white;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 500;
  transform: translateX(100%);
  transition: var(--transition-base);
  z-index: 1000;
}

.toast.show {
  transform: translateX(0);
}

/* Footer */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-xl) 0;
  text-align: center;
  margin-top: var(--spacing-2xl);
}

.footer p {
  margin: 0;
  color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .tool-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .contrast-results {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .ratio-value {
    font-size: 2.5rem;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .header {
    padding: var(--spacing-lg) 0;
  }
  
  .logo {
    font-size: 2rem;
  }
  
  .tagline {
    font-size: 1rem;
  }
  
  .navigation {
    position: static;
  }
  
  .nav-header {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-md);
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-menu {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: var(--spacing-xs);
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .nav-link {
    justify-content: center;
    padding: var(--spacing-md);
  }
  
  .controls-panel,
  .preview-panel {
    padding: var(--spacing-md);
  }
  
  .preset-shapes {
    grid-template-columns: 1fr;
  }
  
  .compliance-grid {
    grid-template-columns: 1fr;
  }
  
  .preset-colors {
    grid-template-columns: repeat(2, 1fr);
  }
    .radio-group {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .color-container,
  .color-input-container {
    flex-direction: column;
    align-items: stretch;
  }
    .range-container {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .manual-input-group {
    justify-content: center;
    min-width: auto;
  }
  
  .manual-input {
    width: 80px;
  }
  
  .range-value {
    text-align: center;
  }
  
  .regex-actions {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .theme-toggle {
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 2.5rem;
    height: 2.5rem;
  }
  
  .theme-toggle i {
    font-size: 1rem;
  }
  
  .logo {
    font-size: 1.75rem;
  }
  
  .logo i {
    font-size: 1.5rem;
  }
  
  .tool-header h2 {
    font-size: 1.5rem;
  }
  
  .tool-header p {
    font-size: 1rem;
  }
  
  .main {
    padding: var(--spacing-lg) 0;
  }
  
  .controls-panel,
  .preview-panel {
    padding: var(--spacing-sm);
  }
  
  .preview-container {
    padding: var(--spacing-md);
    min-height: 250px;
  }
  
  .flexbox-container {
    height: 250px;
  }
  
  .clip-path-preview {
    height: 250px;
  }
  
  .code-header {
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: stretch;
  }
  
  .code-tabs {
    flex-direction: column;
  }
  
  .toast {
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    left: var(--spacing-md);
  }
  
  /* Larger touch targets for mobile */
  .radio-custom,
  .checkbox-custom {
    width: 28px;
    height: 28px;
  }
  
  .radio-label,
  .checkbox-label {
    padding: var(--spacing-md);
    min-height: 3rem;
  }
  
  .add-item-btn,
  .remove-item-btn {
    min-height: 3rem;
    padding: var(--spacing-md);
  }
}

/* Focus and Accessibility */
button:focus,
input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.nav-link:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Enhanced Radio Button Styling for Better Visibility */
.radio-label {
  position: relative;
}

.radio-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  border-radius: var(--border-radius-sm);
  background: transparent;
  transition: var(--transition-base);
  z-index: -1;
}

.radio-label input[type="radio"]:checked ~ * {
  color: var(--primary-color);
}

.radio-label input[type="radio"]:checked + .radio-custom + span {
  color: var(--primary-color);
  font-weight: 600;
}

/* Enhanced Checkbox Styling for Better Visibility */
.checkbox-label {
  position: relative;
}

.checkbox-label input[type="checkbox"]:checked ~ * {
  color: var(--primary-color);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom + span {
  color: var(--primary-color);
  font-weight: 600;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --border-color: #000000;
    --text-secondary: #000000;
  }
  
  [data-theme="dark"] {
    --border-color: #ffffff;
    --text-secondary: #ffffff;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .tool {
    transform: none !important;
  }
}

/* Background Options for Clip Path Tool */
.background-options {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
}

.background-type-selector {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-md);
}

/* Radio Custom Labels for Background Type Selector */
.background-type-selector .radio-custom {
  flex: 1;
  min-width: 110px;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition-base);
  position: relative;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  user-select: none;
}

.background-type-selector .radio-custom:hover {
  background: var(--bg-tertiary);
  border-color: var(--primary-color);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.background-type-selector .radio-custom:has(input:checked) {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
  color: white;
  border-color: var(--primary-color);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.background-type-selector .radio-custom input[type="radio"] {
  display: none;
}

/* Radio Indicator Styling */
.radio-indicator {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  background: var(--bg-card);
  position: relative;
  transition: var(--transition-base);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.background-type-selector .radio-custom:hover .radio-indicator {
  border-color: var(--primary-color);
  background: var(--bg-tertiary);
}

.background-type-selector .radio-custom:has(input:checked) .radio-indicator {
  border-color: white;
  background: white;
}

.background-type-selector .radio-custom:has(input:checked) .radio-indicator::after {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--primary-color);
  border-radius: 50%;
  display: block;
}

/* Background Control Sections */
.background-control {
  padding: var(--spacing-md);
  background: var(--bg-tertiary);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
}

.background-control.hidden {
  display: none;
}

.background-control:not(.hidden) {
  animation: fadeInUp 0.3s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Enhanced Color Input Groups */
.color-input-group {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
  margin-top: var(--spacing-xs);
}

.color-picker {
  width: 60px;
  height: 40px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  background: none;
  padding: 0;
  transition: var(--transition-base);
  overflow: hidden;
}

.color-picker:hover {
  border-color: var(--primary-color);
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

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

.color-hex-input {
  flex: 1;
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: var(--bg-card);
  color: var(--text-primary);
  font-family: var(--font-family-mono);
  font-size: 0.875rem;
  transition: var(--transition-base);
}

.color-hex-input:hover {
  border-color: var(--primary-color);
}

.color-hex-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.1);
}

/* Gradient Colors Layout */
.gradient-colors {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.gradient-colors .color-input-group {
  flex: 1;
}

/* Color Presets Grid */
.color-presets {
  display: flex;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
  flex-wrap: wrap;
}

.color-preset-btn {
  width: 36px;
  height: 36px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition-base);
  position: relative;
  background-size: cover;
  background-position: center;
}

.color-preset-btn:hover {
  transform: scale(1.15);
  border-color: var(--primary-color);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
  z-index: 10;
}

.color-preset-btn:active {
  transform: scale(0.95);
}

/* File Input Styling */
.file-input {
  width: 100%;
  padding: var(--spacing-sm);
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius-sm);
  background: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition-base);
  font-size: 0.875rem;
}

.file-input:hover {
  border-color: var(--primary-color);
  background: var(--bg-tertiary);
}

.file-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.1);
}

/* Image Size Options */
.image-size-options {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
  flex-wrap: wrap;
}

.size-option {
  flex: 1;
  min-width: 80px;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  text-align: center;
  cursor: pointer;
  transition: var(--transition-base);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.size-option:hover {
  background: var(--bg-tertiary);
  border-color: var(--primary-color);
  color: var(--text-primary);
}

.size-option.active {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

/* Enhanced polygon controls */
.polygon-info {
  padding: var(--spacing-md);
  background: var(--bg-tertiary);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
  margin-bottom: var(--spacing-md);
}

.polygon-info p {
  margin: 0 0 var(--spacing-sm) 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.polygon-info strong {
  color: var(--text-primary);
  font-weight: 600;
}

.polygon-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
  flex-wrap: wrap;
}

.reset-polygon-btn,
.clear-polygon-btn {
  flex: 1;
  min-width: 120px;
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

.reset-polygon-btn {
  background: linear-gradient(135deg, #dc2626, #b91c1c);
  color: white;
  box-shadow: 0 2px 8px rgba(220, 38, 38, 0.3);
}

.reset-polygon-btn:hover {
  background: linear-gradient(135deg, #b91c1c, #991b1b);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.4);
}

.clear-polygon-btn {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.clear-polygon-btn:hover {
  background: linear-gradient(135deg, #d97706, #b45309);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
}

.reset-polygon-btn:active,
.clear-polygon-btn:active {
  transform: translateY(0);
}

/* Enhanced polygon points */
.polygon-point {
  position: absolute;
  width: 14px;
  height: 14px;
  background: var(--accent-color);
  border: 3px solid white;
  border-radius: 50%;
  cursor: grab;
  transform: translate(-50%, -50%);
  pointer-events: all;
  z-index: 10;
  transition: var(--transition-base);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.polygon-point:hover {
  transform: translate(-50%, -50%) scale(1.2);
  background: var(--primary-color);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.polygon-point:active {
  cursor: grabbing;
  transform: translate(-50%, -50%) scale(1.1);
}

/* Print styles */
@media print {
  .theme-toggle,
  .navigation,
  .footer {
    display: none;
  }
  
  .tool-content {
    grid-template-columns: 1fr;
  }
  
  .preview-panel {
    page-break-inside: avoid;
  }
}