/* PIXELiate - VILAAN Style */
/* Author: v_i_l_a_a_n | vilaan.com */
/* © VILAAN - All Rights Reserved */
:root { /* VIL_AAN */
  --accent-color: #D49C6B;
  --accent-hover: #C48A5A;
  --dark-bg: #1A1A1A;
  --dark-surface: #242424;
  --dark-surface-hover: #2E2E2E;
  --dark-text: #E5E5E5;
  --dark-text-secondary: #A0A0A0;
  --dark-border: #3A3A3A;
  --light-bg: #F5F5F5;
  --light-surface: #FFFFFF;
  --light-surface-hover: #EBEBEB;
  --light-text: #1A1A1A;
  --light-text-secondary: #666666;
  --light-border: #D0D0D0;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--dark-bg);
  color: var(--dark-text);
  transition: background 0.3s, color 0.3s;
  overflow: hidden;
}

body.light-theme {
  background: var(--light-bg);
  color: var(--light-text);
}

.container {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* Sidebar | Vilaan */
.sidebar {
  width: 380px;
  background: var(--dark-surface);
  border-right: 1px solid var(--dark-border);
  overflow-y: auto;
  padding: 24px;
  transition: background 0.3s, border-color 0.3s;
  flex-shrink: 0;
}

body.light-theme .sidebar {
  background: var(--light-surface);
  border-color: var(--light-border);
}

.header {
  margin-bottom: 32px;
  text-align: center;
}

.header h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent-color);
  margin-bottom: 4px;
}

.header .version {
  font-size: 12px;
  color: var(--dark-text-secondary);
}

.header .version a {
  color: var(--dark-text);
  text-decoration: none;
  transition: color 0.2s;
}

.header .version a:hover {
  color: var(--accent-color);
  text-decoration: none;
}

body.light-theme .header .version {
  color: var(--light-text-secondary);
}

body.light-theme .header .version a {
  color: var(--light-text);
}

body.light-theme .header .version a:hover {
  color: var(--accent-color);
}

.lang-btn {
  padding: 6px 16px;
  border: 1px solid var(--dark-border);
  background: var(--dark-surface-hover);
  color: var(--dark-text);
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  transition: all 0.2s;
}

body.light-theme .lang-btn {
  background: var(--light-surface-hover);
  color: var(--light-text);
  border-color: var(--light-border);
}

.lang-btn.active {
  background: var(--accent-color);
  color: #000;
  border-color: var(--accent-color);
}

body.light-theme .lang-btn.active {
  background: var(--accent-color);
  color: #000;
  border-color: var(--accent-color);
}

.lang-btn:hover:not(.active) {
  color: var(--accent-color);
  border-color: var(--accent-color);
}

/* Section */
.section {
  margin-bottom: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--dark-border);
}

body.light-theme .section {
  border-color: var(--light-border);
}

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

.section-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent-color);
}

/* Controls */
.control {
  margin-bottom: 16px;
}

.control-label {
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 500;
}

/* Inputs */
input[type="range"] {
  width: 100%;
  height: 20px;
  border-radius: 3px;
  background: transparent;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}

input[type="range"]::-webkit-slider-runnable-track {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--dark-border);
}

body.light-theme input[type="range"]::-webkit-slider-runnable-track {
  background: var(--light-border);
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-color);
  cursor: pointer;
  margin-top: -4px;
  border: none;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  transition: transform 0.2s;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

input[type="range"]::-moz-range-track {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--dark-border);
}

body.light-theme input[type="range"]::-moz-range-track {
  background: var(--light-border);
}

input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-color);
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  transition: transform 0.2s;
}

input[type="range"]::-moz-range-thumb:hover {
  transform: scale(1.15);
}

input[type="number"],
input[type="text"],
select {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--dark-border);
  border-radius: 6px;
  background: var(--dark-bg);
  color: var(--dark-text);
  font-size: 13px;
  transition: all 0.2s;
}

/* Hide default number input spinners */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

body.light-theme input[type="number"],
body.light-theme input[type="text"],
body.light-theme select {
  background: var(--light-bg);
  color: var(--light-text);
  border-color: var(--light-border);
}

input[type="number"]:focus,
input[type="text"]:focus,
select:focus {
  outline: none;
  border-color: var(--accent-color);
}

input[type="file"] {
  display: none;
}

.file-upload-btn {
  display: block;
  width: 100%;
  padding: 12px;
  background: var(--accent-color);
  color: #FFFFFF;
  text-align: center;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s;
}

.file-upload-btn:hover {
  background: var(--accent-hover);
}

/* Buttons - vilaan */
button {
  padding: 12px 24px;
  border: none;
  border-radius: 6px;
  background: var(--accent-color);
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  width: 100%;
}

button:hover {
  background: var(--accent-hover);
}

button.secondary {
  background: var(--dark-surface-hover);
  color: var(--dark-text);
}

body.light-theme button.secondary {
  background: var(--light-surface-hover);
  color: var(--light-text);
}

button.secondary:hover {
  background: var(--accent-color);
  color: #FFFFFF;
}

body.light-theme button.secondary:hover {
  background: var(--accent-color);
  color: #000;
}

/* Toggle Switch */
.theme-toggle-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--dark-border);
  transition: .3s;
  border-radius: 24px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}

input:checked + .toggle-slider {
  background-color: var(--accent-color);
}

input:checked + .toggle-slider:before {
  transform: translateX(26px);
}

/* Checkbox */
.checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 12px 0;
}

.checkbox-wrapper input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--accent-color);
}

.checkbox-wrapper label {
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}

/* Mode Toggle */
.mode-toggle {
  display: flex;
  gap: 0;
  margin-bottom: 0;
  width: 100%;
}

.mode-toggle button {
  flex: 1;
  margin: 0;
  padding: 12px 16px;
  border: 1px solid var(--dark-border);
  background: var(--dark-surface);
  color: var(--dark-text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.mode-toggle button:first-child {
  border-radius: 6px 0 0 6px;
}

.mode-toggle button:last-child {
  border-radius: 0 6px 6px 0;
}

body.light-theme .mode-toggle button {
  background: var(--light-surface);
  color: var(--light-text);
  border-color: var(--light-border);
}

.mode-toggle button.active {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: #000;
}

body.light-theme .mode-toggle button.active {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: #000;
}

.mode-toggle button:hover:not(.active) {
  background: var(--dark-surface-hover);
  color: var(--accent-color);
}

body.light-theme .mode-toggle button:hover:not(.active) {
  background: var(--light-surface-hover);
  color: var(--accent-color);
}

/* Number Stepper - ASCIIniate style */
.number-stepper {
  display: flex;
  align-items: stretch;
  background: var(--dark-bg);
  border: 1px solid var(--dark-border);
  border-radius: 6px;
  overflow: hidden;
  height: 36px;
}

body.light-theme .number-stepper {
  background: var(--light-bg);
  border-color: var(--light-border);
}

.number-stepper button {
  width: 32px;
  height: 100%;
  border: none;
  background: var(--dark-surface);
  color: var(--accent-color);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  padding: 0;
  min-width: 32px;
  flex-shrink: 0;
}

.number-stepper button:first-child {
  border-right: 1px solid var(--dark-border);
}

.number-stepper button:last-child {
  border-right: none;
  border-left: 1px solid var(--dark-border);
}

body.light-theme .number-stepper button {
  background: var(--light-surface);
  border-color: var(--light-border);
  color: var(--accent-color);
}

.number-stepper button:hover {
  background: var(--accent-color);
  color: #000;
}

body.light-theme .number-stepper button:hover {
  background: var(--accent-color);
  color: #000;
}

.number-stepper input {
  flex: 1;
  text-align: center;
  border: none;
  background: transparent;
  color: var(--dark-text);
  font-size: 13px;
  font-weight: 500;
  min-width: 0;
  padding: 0 4px;
}

body.light-theme .number-stepper input {
  color: var(--light-text);
}

.number-stepper input:focus {
  outline: none;
}

/* Dual Input (Range + Number) */
.dual-input {
  display: flex;
  gap: 8px;
  align-items: center;
}

.dual-input input[type="range"] {
  flex: 1.5;
  min-width: 0;
}

.dual-input .number-stepper {
  flex: 1;
  min-width: 0;
  max-width: 140px;
}

/* Transparent Checkers Background */
.checkers-bg {
  background-image: 
    linear-gradient(45deg, #808080 25%, transparent 25%),
    linear-gradient(-45deg, #808080 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #808080 75%),
    linear-gradient(-45deg, transparent 75%, #808080 75%);
  background-size: 8px 8px;
  background-position: 0 0, 0 4px, 4px -4px, -4px 0px;
  background-color: #c0c0c0;
}

/* Palette Swatches */
.palette-swatches {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(28px, 1fr));
  gap: 6px;
  margin-top: 8px;
  padding: 8px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
}

.palette-swatch {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 6px;
  border: 2px solid rgba(255, 255, 255, 0.15);
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s;
  position: relative;
  overflow: hidden;
}

/* Checkers background shown only when swatch has transparency */
.palette-swatch.has-transparency {
  background-image: 
    linear-gradient(45deg, #a0a0a0 25%, transparent 25%),
    linear-gradient(-45deg, #a0a0a0 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #a0a0a0 75%),
    linear-gradient(-45deg, transparent 75%, #a0a0a0 75%);
  background-size: 8px 8px;
  background-position: 0 0, 0 4px, 4px -4px, -4px 0px;
  background-color: #e0e0e0;
  background-clip: padding-box;
}

/* Color overlay on top of checkers */
.palette-swatch .swatch-color {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

.palette-swatch:hover {
  transform: scale(1.1);
  border-color: var(--accent-color);
  z-index: 10;
}

.palette-swatch:active {
  transform: scale(0.95);
}

.palette-swatch.delete-mode {
  cursor: pointer;
}

.palette-swatch.delete-mode:hover {
  border-color: #ff6b6b;
  box-shadow: 0 0 12px rgba(255, 107, 107, 0.6);
}

.palette-swatch.delete-mode::after {
  content: '×';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 20px;
  font-weight: bold;
  color: white;
  text-shadow: 0 0 4px rgba(0, 0, 0, 0.8);
  opacity: 0;
  transition: opacity 0.2s;
}

.palette-swatch.delete-mode:hover::after {
  opacity: 1;
}

/* Palette Navigation Buttons */
.palette-nav-buttons {
  display: flex;
  gap: 6px;
  margin-top: 10px;
}

.palette-nav-btn {
  flex: 1;
  background: var(--dark-surface-hover);
  border: 1px solid var(--dark-border);
  border-radius: 6px;
  color: var(--dark-text);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  height: 34px;
  font-size: 12px;
  font-weight: 500;
}

.palette-nav-btn:hover {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: #fff;
}

.palette-nav-btn:active {
  transform: scale(0.95);
}

body.light-theme .palette-nav-btn {
  background: var(--light-surface);
  border-color: var(--light-border);
  color: var(--light-text);
}

body.light-theme .palette-nav-btn:hover {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: #fff;
}

/* Color Picker Wrapper */
.color-picker-wrapper {
  position: relative;
  width: 36px;
  height: 36px;
  border-radius: 6px;
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.15);
  cursor: pointer;
  transition: border-color 0.3s;
  flex-shrink: 0;
}

/* Checkers background shown only when wrapper has transparency */
.color-picker-wrapper.has-transparency::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(45deg, #a0a0a0 25%, transparent 25%),
    linear-gradient(-45deg, #a0a0a0 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #a0a0a0 75%),
    linear-gradient(-45deg, transparent 75%, #a0a0a0 75%);
  background-size: 8px 8px;
  background-position: 0 0, 0 4px, 4px -4px, -4px 0px;
  background-color: #e0e0e0;
  z-index: 0;
  pointer-events: none;
}

.color-picker-wrapper:hover {
  border-color: var(--accent-color);
}

.color-preview {
  width: 100%;
  height: 100%;
  background: #000000;
  pointer-events: none;
  position: relative;
  z-index: 1;
}

.icon-btn {
  background: var(--bg-secondary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s;
  color: var(--text-primary);
}

.icon-btn:hover {
  background: var(--accent-color);
  border-color: var(--accent-color);
  transform: scale(1.05);
}

.icon-btn.active {
  background: #ff6b6b;
  border-color: #ff6b6b;
}

/* Custom Confirm Dialog */
.confirm-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10000;
  pointer-events: none;
}

.confirm-dialog {
  background: #1a1a1a;
  border: 2px solid var(--accent-color);
  border-radius: 12px;
  padding: 24px;
  min-width: 300px;
  max-width: 400px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.9);
  animation: slideIn 0.3s;
  pointer-events: auto;
  opacity: 1;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideIn {
  from {
    transform: translateY(-20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.confirm-message {
  color: var(--text-primary);
  font-size: 16px;
  margin-bottom: 20px;
  text-align: center;
  line-height: 1.5;
}

.confirm-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.confirm-btn {
  padding: 10px 24px;
  border-radius: 8px;
  border: 2px solid transparent;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  min-width: 100px;
}

.confirm-btn.cancel {
  background: var(--bg-secondary);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
}

.confirm-btn.cancel:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
}

.confirm-btn.ok {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: #1a1a1a;
}

.confirm-btn.ok:hover {
  background: #E5AF81;
  border-color: #E5AF81;
  transform: scale(1.05);
}

/* Highlight selected preset */
#palettePresets option:checked {
  background: var(--accent-color);
  color: #1a1a1a;
}

/* Main Content */ /* v-i-l-a-a-n */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.canvas-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  background: var(--dark-bg);
}

body.light-theme .canvas-wrapper {
  background: var(--light-bg);
}

/* Transparent Checkers Background for Canvas only */
.main-content.checkers-dark #pixelCanvas {
  background-image: 
    linear-gradient(45deg, #404040 25%, transparent 25%),
    linear-gradient(-45deg, #404040 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #404040 75%),
    linear-gradient(-45deg, transparent 75%, #404040 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  background-color: #303030;
}

.main-content.checkers-light #pixelCanvas {
  background-image: 
    linear-gradient(45deg, #d0d0d0 25%, transparent 25%),
    linear-gradient(-45deg, #d0d0d0 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #d0d0d0 75%),
    linear-gradient(-45deg, transparent 75%, #d0d0d0 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  background-color: #e8e8e8;
}

#pixelCanvas {
  max-width: 100%;
  max-height: 100%;
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
  display: none;
}

.empty-state {
  text-align: center;
  color: var(--dark-text-secondary);
  font-size: 16px;
  padding: 48px;
}

body.light-theme .empty-state {
  color: var(--light-text-secondary);
}

/* Controls Bar */
.controls-bar {
  display: flex;
  gap: 12px;
  padding: 16px 24px;
  background: var(--dark-surface);
  border-top: 1px solid var(--dark-border);
}

body.light-theme .controls-bar {
  background: var(--light-surface);
  border-color: var(--light-border);
}

.controls-bar button {
  flex: 1;
  margin: 0;
}

/* Mobile Export Buttons - hidden on desktop */
.mobile-export-buttons {
  display: none;
}

/* Drawer Handle - Toggle button at bottom of sidebar for mobile/tablet */
.drawer-handle {
  display: none; /* Hidden on desktop */
  position: fixed;
  bottom: 10px; /* Fixed position at bottom */
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 10px;
  background: var(--dark-border);
  border-radius: 4px;
  z-index: 10001;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  flex-shrink: 0;
}

.drawer-handle:hover {
  background: var(--accent-color);
  transform: translateX(-50%) scale(1.1);
}

.drawer-handle:active {
  background: var(--accent-color);
  transform: translateX(-50%) scale(0.95);
}

body.light-theme .drawer-handle {
  background: var(--light-border);
}

body.light-theme .drawer-handle:hover {
  background: var(--accent-color);
}

/* Responsive Design - Tablet (768px - 1024px) | VILAAN */
@media (min-width: 768px) and (max-width: 1024px) {
  .container {
    flex-direction: column;
    height: 100vh;
    position: relative;
  }

  .sidebar {
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    height: 50vh !important;
    z-index: 999;
    transform: none;
    transition: transform 0.3s ease;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
    border-top: 1px solid var(--dark-border);
    border-right: none !important;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    padding: 20px;
    padding-bottom: 20px !important;
  }
  
  .sidebar.hidden {
    transform: translateY(100%);
  }
  
  .drawer-handle {
    display: block !important;
  }

  body.light-theme .sidebar {
    border-top-color: var(--light-border);
  }

  .main-content {
    height: 50vh !important;
    padding-bottom: 0 !important;
    width: 100%;
    margin-top: 0;
  }
  
  .main-content.expanded {
    height: 100vh !important;
  }

  .canvas-wrapper {
    flex: none !important;
    height: 50vh !important;
    padding: 8px;
    overflow: visible !important;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
  }
  
  #pixelCanvas {
    max-width: calc(100vw - 16px);
    max-height: calc(50vh - 16px);
    width: auto;
    height: auto;
    object-fit: contain;
  }
  
  .controls-bar {
    display: none; /* Hide desktop controls bar on tablet */
  }
  
  .mobile-export-buttons {
    display: block !important; /* Show mobile export buttons on tablet */
  }
}

/* Responsive Design - Mobile (< 768px) */
@media (max-width: 767px) {
  .container {
    flex-direction: column;
    height: 100vh;
    position: relative;
  }

  .sidebar {
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    height: 50vh !important;
    z-index: 999;
    transform: none;
    transition: transform 0.3s ease;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
    border-top: 1px solid var(--dark-border);
    border-right: none !important;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    padding: 16px;
    padding-bottom: 16px !important;
  }
  
  .sidebar.hidden {
    transform: translateY(100%);
  }
  
  .drawer-handle {
    display: block !important;
  }

  body.light-theme .sidebar {
    border-top-color: var(--light-border);
  }

  .main-content {
    height: 50vh !important;
    padding-bottom: 0 !important;
    width: 100%;
    margin-top: 0;
  }
  
  .main-content.expanded {
    height: 100vh !important;
  }

  .canvas-wrapper {
    flex: none !important;
    height: 50vh !important;
    padding: 8px;
    overflow: visible !important;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
  }
  
  #pixelCanvas {
    max-width: calc(100vw - 16px);
    max-height: calc(50vh - 16px);
    width: auto;
    height: auto;
    object-fit: contain;
  }

  .number-stepper {
    gap: 4px;
  }

  .number-stepper button {
    min-width: 32px;
  }
  
  .section {
    margin-bottom: 16px;
    padding-bottom: 16px;
  }
  
  .controls-bar {
    display: none; /* Hide desktop controls bar on mobile */
  }
  
  .mobile-export-buttons {
    display: block !important; /* Show mobile export buttons on mobile */
  }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

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

body.light-theme ::-webkit-scrollbar-track {
  background: var(--light-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--dark-border);
  border-radius: 5px;
}

body.light-theme ::-webkit-scrollbar-thumb {
  background: var(--light-border);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-color);
}

/* Modal - VIL_AAN */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.7);
  z-index: 10000;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--dark-surface);
  border: 1px solid var(--dark-border);
  border-radius: 12px;
  padding: 32px;
  max-width: 700px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
  animation: slideIn 0.3s;
}

body.light-theme .modal {
  background: var(--light-surface);
  border-color: var(--light-border);
}

.modal h2 {
  color: var(--accent-color);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal .close-btn {
  background: none;
  border: none;
  color: var(--dark-text);
  font-size: 32px;
  width: auto;
  padding: 0;
  cursor: pointer;
  line-height: 1;
}

body.light-theme .modal .close-btn {
  color: var(--light-text);
}

.modal .close-btn:hover {
  color: var(--accent-color);
  transform: none;
  box-shadow: none;
}

/* Help Button */
.help-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-color);
  color: #000;
  border: none;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.help-btn:hover {
  background: var(--accent-hover);
}

/* Ko-fi Support Button */
.kofi-btn {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  transition: all 0.2s;
  border: none;
  background: transparent;
  padding: 0;
}

.kofi-btn:hover {
  transform: translateY(-1px);
  opacity: 0.9;
}

.kofi-btn img {
  border-radius: 6px;
}

/* Help Content Styling */
.help-content {
  color: var(--dark-text);
  line-height: 1.6;
}

body.light-theme .help-content {
  color: var(--light-text);
}

.help-content h3 {
  color: var(--accent-color);
  margin-top: 24px;
  margin-bottom: 12px;
  font-size: 18px;
  font-weight: 600;
}

.help-content h3:first-child {
  margin-top: 0;
}

.help-content p {
  margin-bottom: 16px;
  color: var(--dark-text-secondary);
}

body.light-theme .help-content p {
  color: var(--light-text-secondary);
}

.help-content ol,
.help-content ul {
  margin: 12px 0;
  padding-left: 24px;
}

.help-content li {
  margin-bottom: 8px;
  color: var(--dark-text);
}

body.light-theme .help-content li {
  color: var(--light-text);
}

.help-content strong {
  color: var(--accent-color);
  font-weight: 600;
}

.help-content a {
  color: inherit;
  text-decoration: underline;
}

.help-content a:hover {
  color: var(--accent-color);
}

/* Accent link - always accent color */
.accent-link,
.help-content .accent-link {
  color: var(--accent-color) !important;
  text-decoration: underline;
}

.accent-link:hover,
.help-content .accent-link:hover {
  color: var(--accent-hover) !important;
}

/* Reset Icons */
.section-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.section-title-row .section-title {
  margin-bottom: 0;
}

.reset-section-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 21px;
  height: 21px;
  padding: 0;
  margin: 0;
  background: rgba(212, 156, 107, 0.2);
  border: 1px solid var(--accent-color);
  border-radius: 3px;
  cursor: pointer;
  color: var(--accent-color);
  font-size: 13px;
  line-height: 21px;
  vertical-align: middle;
  transition: background 0.2s, transform 0.2s;
}

.reset-section-btn:hover {
  background: rgba(212, 156, 107, 0.4);
  transform: scale(1.1);
}

.control-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.reset-slider-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 19px;
  min-width: 19px;
  height: 19px;
  padding: 0;
  margin: 0;
  margin-top: -2px;
  flex-shrink: 0;
  background: transparent;
  border: 1px solid var(--dark-text-secondary);
  border-radius: 2px;
  cursor: pointer;
  color: var(--dark-text-secondary);
  font-size: 11px;
  line-height: 19px;
  opacity: 0.6;
  transition: opacity 0.2s, border-color 0.2s, color 0.2s, background 0.2s;
}

.reset-slider-btn:hover {
  opacity: 1;
  border-color: var(--accent-color);
  color: var(--accent-color);
  background: rgba(212, 156, 107, 0.15);
}

body.light-theme .reset-slider-btn {
  border-color: var(--light-text-secondary);
  color: var(--light-text-secondary);
}

body.light-theme .reset-slider-btn:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
}

/* Drag & Drop Highlight */
.canvas-wrapper.drag-highlight {
  background: rgba(212, 156, 107, 0.1);
  border: 2px dashed var(--accent-color);
  border-radius: 8px;
}

.canvas-wrapper.drag-highlight::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(212, 156, 107, 0.05);
  pointer-events: none;
}

/* Settings Row (Dark Mode + Language) */
.settings-row {
  display: flex;
  gap: 24px;
}

.settings-item {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.settings-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-color);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.lang-toggle-btn {
  padding: 6px 0;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--dark-border);
  border-radius: 6px;
  background: var(--dark-surface);
  color: var(--dark-text);
  cursor: pointer;
  transition: all 0.2s ease;
  width: 42px;
  min-width: 42px;
  text-align: center;
}

.lang-toggle-btn:hover {
  border-color: var(--accent-color);
  background: var(--dark-surface-hover);
}

body.light-theme .lang-toggle-btn {
  border-color: var(--light-border);
  background: var(--light-surface);
  color: var(--light-text);
}

body.light-theme .lang-toggle-btn:hover {
  border-color: var(--accent-color);
  background: var(--light-surface-hover);
}

/* Toast Notification - positioned near cursor */
.toast-notification {
  position: fixed;
  background: var(--dark-surface);
  border: 1px solid var(--accent-color);
  border-radius: 8px;
  padding: 12px 20px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  z-index: 10001;
  max-width: 320px;
  font-size: 14px;
  color: var(--dark-text);
  animation: toastSlideIn 0.3s ease-out;
  pointer-events: auto;
}

body.light-theme .toast-notification {
  background: var(--light-surface);
  color: var(--light-text);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.toast-notification.error {
  border-color: #ff6b6b;
}

.toast-notification.success {
  border-color: #51cf66;
}

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

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

.toast-notification.hiding {
  animation: toastSlideOut 0.2s ease-in forwards;
}

/* ===== PAINT TOOLS ===== */
.tool-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  background: var(--dark-secondary);
  border: 1px solid var(--dark-border);
  border-radius: 4px;
  cursor: pointer;
  color: var(--dark-text-secondary);
  transition: all 0.15s ease;
}

.tool-btn:hover {
  background: var(--dark-hover);
  border-color: var(--accent-color);
  color: var(--dark-text-primary);
}

.tool-btn.active {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: var(--dark-bg);
}

body.light-theme .tool-btn {
  background: var(--light-secondary);
  border-color: var(--light-border);
  color: var(--light-text-secondary);
}

body.light-theme .tool-btn:hover {
  background: var(--light-hover);
  color: var(--light-text-primary);
}

body.light-theme .tool-btn.active {
  background: var(--accent-color);
  color: #fff;
}

/* ===== LAYERS ===== */
.layer-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  background: var(--dark-secondary);
  border: 1px solid var(--dark-border);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.layer-item:hover {
  background: var(--dark-hover);
}

.layer-item.active {
  border-color: var(--accent-color);
  background: rgba(212, 156, 107, 0.1);
}

.layer-item .layer-visibility {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--dark-text-secondary);
  opacity: 0.7;
  transition: opacity 0.15s;
}

.layer-item .layer-visibility:hover {
  opacity: 1;
  color: var(--accent-color);
}

.layer-item .layer-visibility.hidden {
  opacity: 0.3;
}

.layer-item .layer-thumbnail {
  width: 32px;
  height: 32px;
  background: var(--dark-bg);
  border: 1px solid var(--dark-border);
  border-radius: 2px;
  overflow: hidden;
}

.layer-item .layer-thumbnail canvas {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.layer-item .layer-name {
  flex: 1;
  font-size: 12px;
  color: var(--dark-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.layer-item .layer-actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity 0.15s;
}

.layer-item:hover .layer-actions {
  opacity: 1;
}

.layer-item .layer-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--dark-text-secondary);
  border-radius: 2px;
  transition: all 0.15s;
}

.layer-item .layer-action-btn:hover {
  background: var(--dark-hover);
  color: var(--accent-color);
}

.layer-item .layer-action-btn.delete:hover {
  color: #ff6b6b;
}

body.light-theme .layer-item {
  background: var(--light-secondary);
  border-color: var(--light-border);
}

body.light-theme .layer-item:hover {
  background: var(--light-hover);
}

body.light-theme .layer-item .layer-name {
  color: var(--light-text-primary);
}

body.light-theme .layer-item .layer-visibility,
body.light-theme .layer-item .layer-action-btn {
  color: var(--light-text-secondary);
}

/* Pattern Grid for custom patterns */
.pattern-grid-cell {
  width: 20px;
  height: 20px;
  background: #fff;
  cursor: pointer;
  transition: background 0.1s;
}

.pattern-grid-cell.filled {
  background: #000;
}

body.light-theme .pattern-grid-cell {
  background: #fff;
  border: 1px solid var(--light-border);
}

body.light-theme .pattern-grid-cell.filled {
  background: #000;
}

/* Color swatch for replace tool */
.color-swatch-small {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 2px;
  background: var(--dark-secondary);
  border: 1px solid var(--dark-border);
  border-radius: 4px;
  cursor: pointer;
  transition: border-color 0.15s;
}

.color-swatch-small:hover {
  border-color: var(--accent-color);
}

.color-swatch-small .swatch-color {
  width: 100%;
  height: 100%;
  border-radius: 2px;
}

body.light-theme .color-swatch-small {
  background: var(--light-secondary);
  border-color: var(--light-border);
}

/* Compact Slider Group - for inline tolerance control */
.compact-slider-group {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  min-width: 0;
}

.compact-slider-group .compact-label {
  font-size: 11px;
  color: var(--dark-text-secondary);
  white-space: nowrap;
  flex-shrink: 0;
}

body.light-theme .compact-slider-group .compact-label {
  color: var(--light-text-secondary);
}

.compact-slider-group .compact-range {
  flex: 1;
  min-width: 60px;
  max-width: 100px;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--dark-border);
  border-radius: 2px;
  cursor: pointer;
}

.compact-slider-group .compact-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  background: var(--accent-color);
  border-radius: 50%;
  cursor: pointer;
}

.compact-slider-group .compact-range::-moz-range-thumb {
  width: 12px;
  height: 12px;
  background: var(--accent-color);
  border-radius: 50%;
  border: none;
  cursor: pointer;
}

body.light-theme .compact-slider-group .compact-range {
  background: var(--light-border);
}

.compact-slider-group .compact-number {
  width: 42px;
  padding: 4px 6px;
  font-size: 11px;
  text-align: center;
  background: var(--dark-bg);
  border: 1px solid var(--dark-border);
  border-radius: 4px;
  color: var(--dark-text);
  -moz-appearance: textfield;
}

.compact-slider-group .compact-number::-webkit-outer-spin-button,
.compact-slider-group .compact-number::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

body.light-theme .compact-slider-group .compact-number {
  background: var(--light-bg);
  border-color: var(--light-border);
  color: var(--light-text);
}

/* Eyedropper cursor for color picking mode */
.eyedropper-cursor {
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Cpath d='M12 2.69l5.66 5.66a8 8 0 11-11.31 0z'/%3E%3C/svg%3E") 12 22, crosshair;
}