/**
 * Snipping Tool - GreenGetWare Theme
 * Enhanced UI/UX Version
 */

:root {
  --primary: #39d353;
  --primary-dark: #176f3c;
  --primary-hover: #2fb344;
  --primary-light: rgba(57, 211, 83, 0.15);
  --primary-gradient: linear-gradient(135deg, #39d353 0%, #176f3c 100%);
  --accent: #06b6d4;
  --accent-gradient: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
  --secondary: #64748b;
  --success: #39d353;
  --warning: #f59e0b;
  --danger: #ef4444;
  
  --bg-primary: #0a0a12;
  --bg-secondary: #10101c;
  --bg-tertiary: #1a1a2e;
  --bg-card: rgba(18, 18, 30, 0.98);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: rgba(255, 255, 255, 0.06);
  --border-glow: rgba(57, 211, 83, 0.4);
  
  --toolbar-width: 80px;
  --panel-width: 260px;
  
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 60px rgba(57, 211, 83, 0.2);
  
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

[data-theme="light"] {
  --bg-primary: #f1f5f9;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e2e8f0;
  --bg-card: rgba(255, 255, 255, 0.95);
  --text-primary: #1a1a2e;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --border-color: rgba(0, 0, 0, 0.08);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  background-image: radial-gradient(ellipse at 50% 0%, rgba(6, 182, 212, 0.08) 0%, transparent 60%);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow: hidden;
}

.text-gradient {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Header */
.app-header {
  background: var(--bg-card);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: var(--space-sm) var(--space-md);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 56px;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.app-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(6, 182, 212, 0.5), transparent);
}

.brand-section {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.logo i {
  color: var(--primary);
  font-size: 1.5rem;
}

.brand-badge {
  font-size: 0.625rem;
  color: var(--text-muted);
  font-weight: 500;
}

.header-actions {
  display: flex;
  gap: var(--space-xs);
}

.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-icon:hover:not(:disabled) {
  background: var(--primary-gradient);
  border-color: var(--primary);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(57, 211, 83, 0.3);
}

.btn-icon:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-home {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--primary-gradient);
  border: none;
  border-radius: var(--radius-sm);
  color: white;
  font-size: 0.8125rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 15px rgba(57, 211, 83, 0.3);
}

.btn-home:hover {
  transform: translateY(-2px);
  color: white;
  box-shadow: 0 6px 20px rgba(57, 211, 83, 0.4);
}

.btn-home span {
  display: none;
}

@media (min-width: 768px) {
  .btn-home span {
    display: inline;
  }
}

/* Main Content */
.main-content {
  padding-top: 56px;
  height: 100vh;
  overflow: hidden;
}

/* App Layout */
.app-layout {
  display: flex;
  height: calc(100vh - 56px);
}

/* Left Toolbar */
.toolbar {
  width: var(--toolbar-width);
  background: linear-gradient(180deg, var(--bg-card) 0%, rgba(10, 10, 18, 0.98) 100%);
  border-right: 1px solid var(--border-color);
  box-shadow: 4px 0 20px rgba(0, 0, 0, 0.2);
  padding: var(--space-sm);
  overflow-y: auto;
  flex-shrink: 0;
}

.tool-group {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-color);
}

.tool-group:last-child {
  border-bottom: none;
}

.tool-label {
  font-size: 0.625rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
  text-align: center;
  font-weight: 600;
}

.tool-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  width: 100%;
  padding: var(--space-sm) var(--space-xs);
  background: var(--bg-glass);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.5625rem;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  margin-bottom: 3px;
  position: relative;
  overflow: hidden;
}

.tool-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--primary-gradient);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.tool-btn i {
  font-size: 1.25rem;
  position: relative;
  z-index: 1;
  transition: transform 0.2s ease;
}

.tool-btn span {
  position: relative;
  z-index: 1;
}

.tool-btn:hover {
  border-color: rgba(57, 211, 83, 0.3);
  color: var(--primary);
  transform: translateY(-1px);
}

.tool-btn:hover i {
  transform: scale(1.1);
}

.tool-btn.active {
  background: transparent;
  border-color: var(--primary);
  color: white;
}

.tool-btn.active::before {
  opacity: 1;
}

.tool-btn.active i {
  color: white;
}

/* Canvas Area */
.canvas-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  overflow: hidden;
}

/* Canvas Toolbar */
.canvas-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  gap: var(--space-md);
  flex-wrap: wrap;
}

.toolbar-left,
.toolbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.color-picker-group,
.size-picker-group {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.color-picker-group label,
.size-picker-group label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.color-picker-group input[type="color"] {
  width: 28px;
  height: 28px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
}

.color-presets {
  display: flex;
  gap: 2px;
}

.color-preset {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.color-preset:hover {
  transform: scale(1.2);
}

.size-picker-group input[type="range"] {
  width: 80px;
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: 2px;
  -webkit-appearance: none;
  appearance: none;
}

.size-picker-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  background: var(--primary);
  border-radius: 50%;
  cursor: pointer;
}

#strokeSizeValue {
  font-size: 0.75rem;
  color: var(--primary);
  min-width: 30px;
}

.fill-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.fill-toggle input[type="checkbox"] {
  accent-color: var(--primary);
}

.toolbar-btn {
  width: 34px;
  height: 34px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.toolbar-btn:hover {
  background: var(--primary-gradient);
  border-color: var(--primary);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(57, 211, 83, 0.3);
}

.zoom-level {
  font-size: 0.75rem;
  color: var(--text-muted);
  min-width: 40px;
  text-align: center;
}

/* Canvas Container */
.canvas-container {
  flex: 1;
  overflow: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: 
    linear-gradient(45deg, var(--bg-tertiary) 25%, transparent 25%),
    linear-gradient(-45deg, var(--bg-tertiary) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--bg-tertiary) 75%),
    linear-gradient(-45deg, transparent 75%, var(--bg-tertiary) 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

.canvas-wrapper {
  position: relative;
  box-shadow: 
    0 25px 50px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

#mainCanvas,
#drawCanvas {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
}

#mainCanvas {
  position: relative;
}

#drawCanvas {
  pointer-events: auto;
  cursor: crosshair;
}

/* Crop Overlay */
.crop-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
}

.crop-box {
  position: absolute;
  border: 2px dashed var(--primary);
  background: transparent;
  cursor: move;
}

.crop-handle {
  position: absolute;
  width: 12px;
  height: 12px;
  background: white;
  border: 2px solid var(--primary);
  border-radius: 2px;
}

.crop-handle.tl { top: -6px; left: -6px; cursor: nw-resize; }
.crop-handle.tr { top: -6px; right: -6px; cursor: ne-resize; }
.crop-handle.bl { bottom: -6px; left: -6px; cursor: sw-resize; }
.crop-handle.br { bottom: -6px; right: -6px; cursor: se-resize; }

/* Empty State */
.empty-state {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  padding: var(--space-2xl);
}

.empty-icon {
  width: 100px;
  height: 100px;
  background: var(--primary-gradient);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  box-shadow: var(--shadow-glow);
}

.empty-icon i {
  font-size: 3rem;
  color: white;
}

.empty-state h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.empty-state p {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

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

/* Canvas Actions */
.canvas-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
}

.action-btn {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.action-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.action-btn.primary {
  background: var(--primary-gradient);
  color: white;
  box-shadow: 0 4px 15px rgba(57, 211, 83, 0.3);
}

.action-btn.primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(57, 211, 83, 0.4);
}

.action-btn.secondary {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.action-btn.secondary:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
}

/* Export Dropdown */
.export-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  bottom: 100%;
  left: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: none;
  margin-bottom: var(--space-sm);
  min-width: 180px;
  overflow: hidden;
}

.dropdown-menu.show {
  display: block;
}

.dropdown-item {
  display: block;
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background: none;
  border: none;
  text-align: left;
  color: var(--text-primary);
  font-size: 0.875rem;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.dropdown-item:hover {
  background: var(--bg-tertiary);
}

/* Properties Panel */
.properties-panel {
  width: var(--panel-width);
  background: var(--bg-card);
  border-left: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.panel-header {
  padding: var(--space-md);
  border-bottom: 1px solid var(--border-color);
}

.panel-header h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.panel-header h3 i {
  color: var(--primary);
}

.panel-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-md);
}

.property-section {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border-color);
}

.property-section:last-child {
  border-bottom: none;
}

.property-section h4 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.info-item {
  background: var(--bg-tertiary);
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  text-align: center;
}

.info-label {
  display: block;
  font-size: 0.625rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.info-value {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
}

.property-row {
  margin-bottom: var(--space-sm);
}

.property-row label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
}

.property-row input[type="number"],
.property-row select {
  width: 100%;
  padding: var(--space-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.875rem;
}

.property-row input[type="range"] {
  width: calc(100% - 50px);
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: 2px;
  -webkit-appearance: none;
  appearance: none;
  vertical-align: middle;
}

.property-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  background: var(--primary);
  border-radius: 50%;
  cursor: pointer;
}

.property-row span {
  font-size: 0.75rem;
  color: var(--primary);
  margin-left: var(--space-sm);
}

.style-buttons {
  display: flex;
  gap: var(--space-xs);
}

.style-btn {
  width: 36px;
  height: 36px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.style-btn:hover,
.style-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.quick-actions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xs);
}

.quick-btn {
  width: 100%;
  aspect-ratio: 1;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.quick-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.shortcuts-section .shortcut-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

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

.shortcut kbd {
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.6875rem;
  margin-right: var(--space-xs);
}

/* Features Section */
.features-section {
  padding: var(--space-2xl) 0;
  background: var(--bg-primary);
}

.features-section h2 {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--space-xl);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: var(--primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
}

.feature-icon i {
  font-size: 1.75rem;
  color: var(--primary);
}

.feature-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Footer */
.app-footer {
  padding: var(--space-xl) 0;
  text-align: center;
  border-top: 1px solid var(--border-color);
  background: var(--bg-primary);
}

.app-footer p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 1200px) {
  .properties-panel {
    display: none;
  }
}

@media (max-width: 768px) {
  .toolbar {
    width: 60px;
  }
  
  .tool-btn span {
    display: none;
  }
  
  .canvas-toolbar {
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .toolbar-left,
  .toolbar-right {
    width: 100%;
    justify-content: center;
  }
  
  .color-presets {
    display: none;
  }
}