/* CSS Custom Properties */
:root {
  --sd-color-primary: #3b82f6;
  --sd-color-primary-hover: #2563eb;
  --sd-color-error: #ef4444;
  --sd-color-warning: #f59e0b;
  --sd-color-success: #10b981;
  --sd-color-border: #e5e7eb;
  --sd-color-bg: #fff;
  --sd-color-text: #111827;
  --sd-color-text-muted: #4a5568;
  --sd-spacing-xs: 4px;
  --sd-spacing-sm: 8px;
  --sd-spacing-md: 12px;
  --sd-spacing-lg: 16px;
  --sd-spacing-xl: 20px;
  --sd-radius-sm: 6px;
  --sd-radius-md: 8px;
  --sd-radius-lg: 12px;
  --sd-radius-xl: 16px;
  --sd-transition-fast: 0.15s ease;
  --sd-transition: 0.2s ease;
  --sd-transition-slow: 0.3s ease;
  --sd-shadow-sm: 0 1px 2px rgba(0, 0, 0, .06);
  --sd-shadow-md: 0 2px 4px rgba(0, 0, 0, .06);
  --sd-shadow-lg: 0 10px 40px rgba(0, 0, 0, .15);
  --sd-shadow-xl: 0 24px 80px rgba(0, 0, 0, .25);
}

/* Button Styles */
.sd-btn {
  appearance: none;
  border: 1px solid #e3e5e8;
  background: #fff;
  color: #222;
  border-radius: 10px;
  padding: 8px 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
  text-align: center;
}

.sd-btn:hover:not(:disabled) {
  background: #f6f7f9;
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgb(0 0 0 / .06);
}

.sd-btn:active:not(:disabled) {
  transform: translateY(0);
}

.sd-btn:focus-visible {
  outline: 2px solid #3b82f6;
  outline-offset: 2px;
}

.sd-btn.primary {
  background: #3b82f6;
  color: #fff;
  border-color: #3b82f6;
}

.sd-btn.primary:hover:not(:disabled) {
  background: #2563eb;
  border-color: #2563eb;
}

.sd-btn:disabled {
  opacity: .5;
  cursor: not-allowed;
  transform: none;
}

/* Spacer Utility */
.spacer {
  flex: 1;
}

/* Color Picker Overlay */
#sdColorPickerOverlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff0;
  z-index: 9999;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.2s ease-out, background 0.2s ease-out, visibility 0.2s;
  pointer-events: none;
}

#sdColorPickerOverlay.active {
  visibility: visible;
  opacity: 1;
  background: rgb(0 0 0 / .35);
  pointer-events: auto;
}

/* Color Picker Panel */
.sd-cp-panel {
  width: min(92vw, 920px);
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 24px 80px rgb(0 0 0 / .25);
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr auto;
  margin: auto;
  position: relative;
  transform: scale(.95);
  opacity: 0;
  transition: transform 0.3s ease-out, opacity 0.3s ease-out;
}

#sdColorPickerOverlay.active .sd-cp-panel {
  transform: scale(1);
  opacity: 1;
}

/* Color Picker Header */
.sd-cp-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid #eee;
  font-weight: 600;
}

/* Minimum 44×44 px touch target (WCAG 2.5.8) */
.sd-cp-header button {
  appearance: none;
  border: 0;
  background: #fff0;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sd-cp-header button:hover {
  background: #f1f3f5;
}

.sd-cp-header button:focus-visible {
  outline: 2px solid #3b82f6;
  outline-offset: -2px;
}

/* Color Picker Body */
.sd-cp-body {
  padding: 16px;
  display: grid;
  gap: 14px;
  overflow-y: auto;
  overflow-x: hidden; /* NEW: prevent horizontal scrollbar on wide screens */
  overscroll-behavior: contain;
}

.sd-cp-body::-webkit-scrollbar {
  width: 8px;
}

.sd-cp-body::-webkit-scrollbar-track {
  background: #f3f4f6;
  border-radius: 4px;
}

.sd-cp-body::-webkit-scrollbar-thumb {
  background: #d1d5db;
  border-radius: 4px;
}

.sd-cp-body::-webkit-scrollbar-thumb:hover {
  background: #9ca3af;
}

/* Color Picker Grid */
.sd-cp-grid {
  --cols: 18;
  display: grid;
  grid-template-columns: repeat(var(--cols), 1fr);
  gap: 6px;
  user-select: none;
}

/* Color Picker Swatch */
.sd-cp-swatch {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 6px;
  box-shadow: inset 0 0 0 1px rgb(0 0 0 / .08);
  cursor: pointer;
  transition: all 0.15s ease;
}

.sd-cp-swatch:hover {
  transform: scale(1.15);
  box-shadow: 0 4px 8px rgb(0 0 0 / .15);
  z-index: 1;
}

.sd-cp-swatch:active {
  transform: scale(1.05);
}

.sd-cp-swatch:focus-visible {
  outline: 2px solid #06f;
  outline-offset: 2px;
}

/* Color Picker Readout */
.sd-cp-readout {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 12px;
}

.sd-cp-chip {
  width: 44px;
  height: 28px;
  border-radius: 6px;
  box-shadow: inset 0 0 0 1px rgb(0 0 0 / .1);
}

.sd-cp-lines {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 13px;
  color: #333;
}

/* Color Picker Footer */
.sd-cp-footer {
  padding: 12px 16px;
  border-top: 1px solid #eee;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* Eye Dropper Tool Button */
#btnEyeDropper {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid #e5e7eb;
  box-shadow: 0 1px 0 rgb(0 0 0 / .04);
  cursor: pointer;
  padding: 0;
  transition: all 0.2s ease;
  position: relative;
  user-select: none;
  -webkit-tap-highlight-color: #fff0;
}

#btnEyeDropper:hover:not(:disabled) {
  box-shadow: 0 2px 6px rgb(0 0 0 / .08);
  transform: translateY(-1px);
  border-color: #d1d5db;
}

#btnEyeDropper:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: 0 1px 2px rgb(0 0 0 / .06);
}

#btnEyeDropper:focus-visible {
  outline: 3px solid #60a5fa;
  outline-offset: 2px;
  z-index: 1;
}

#btnEyeDropper.is-active {
  outline: 3px solid #3b82f6;
  outline-offset: 2px;
  border-radius: 10px;
  background: #eff6ff;
  border-color: #3b82f6;
  animation: sd-eyedrop-pulse 2s ease-in-out infinite;
}

#btnEyeDropper svg {
  width: 20px;
  height: 20px;
  pointer-events: none;
}

#btnEyeDropper:disabled,
#btnEyeDropper.is-disabled {
  opacity: .5;
  cursor: not-allowed;
  transform: none;
}

@keyframes sd-eyedrop-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgb(59 130 246 / .4); }
  50%       { box-shadow: 0 0 0 4px rgb(59 130 246 / 0); }
}

/* Cursor override when eyedropper canvas-fallback is active */
.sd-eyedropper-picking,
.sd-eyedropper-picking * {
  cursor: crosshair !important;
}

/* Print: hide eye dropper overlay */
@media print {
  #btnEyeDropper {
    display: none !important;
  }
}

/* Gradient Fill Button */
#btnGradientFill {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid #e5e7eb;
  box-shadow: 0 1px 0 rgb(0 0 0 / .04);
  cursor: pointer;
  padding: 0;
  transition: all 0.2s ease;
  position: relative;
  user-select: none;
  -webkit-tap-highlight-color: #fff0;
}

#btnGradientFill:hover:not(:disabled) {
  box-shadow: 0 2px 6px rgb(0 0 0 / .08);
  transform: translateY(-1px);
  border-color: #d1d5db;
}

#btnGradientFill:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: 0 1px 2px rgb(0 0 0 / .06);
}

#btnGradientFill:focus-visible {
  outline: 3px solid #60a5fa;
  outline-offset: 2px;
  z-index: 1;
}

#btnGradientFill.is-active {
  outline: 3px solid #3b82f6;
  outline-offset: 2px;
  border-radius: 10px;
  background: #eff6ff;
  border-color: #3b82f6;
}

#btnGradientFill:disabled,
#btnGradientFill.is-disabled {
  opacity: .5;
  cursor: not-allowed;
  transform: none;
}

#btnGradientFill svg {
  width: 36px;
  height: 36px;
  pointer-events: none;
}

#btnGradientFill.is-loading {
  cursor: wait;
}

#btnGradientFill.is-loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid #3b82f6;
  border-top-color: #fff0;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* Gradient Overlay */
#sdGradientOverlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff0;
  backdrop-filter: blur(0);
  -webkit-backdrop-filter: blur(0);
  z-index: 9999;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.2s ease-out, background 0.2s ease-out, visibility 0.2s, backdrop-filter 0.2s ease-out, -webkit-backdrop-filter 0.2s ease-out;
  pointer-events: none;
}

#sdGradientOverlay.active {
  visibility: visible;
  opacity: 1;
  background: rgb(0 0 0 / .35);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  pointer-events: auto;
}

/* Gradient Panel */
.sd-grad-panel {
  width: min(92vw, 480px);
  max-height: 90vh;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 24px 80px rgb(0 0 0 / .25);
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr auto;
  margin: auto;
  position: relative;
  transform: scale(.95);
  opacity: 0;
  transition: transform 0.3s ease-out, opacity 0.3s ease-out;
}

#sdGradientOverlay.active .sd-grad-panel {
  transform: scale(1);
  opacity: 1;
}

/* Gradient Header */
.sd-grad-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid #e5e7eb;
  background: #fafafa;
  user-select: none;
}

/* Title inside gradient header – styled as a heading but visually compact */
.sd-grad-title {
  margin: 0;
  font-weight: 600;
  font-size: 16px;
  line-height: 1.2;
  color: inherit;
}

/* Minimum 44×44 px touch target (WCAG 2.5.8) */
.sd-grad-header button {
  appearance: none;
  border: 0;
  background: #fff0;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sd-grad-header button:hover {
  background: #e5e7eb;
}

.sd-grad-header button:focus-visible {
  outline: 2px solid #3b82f6;
  outline-offset: -2px;
}

/* Gradient Body */
.sd-grad-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.sd-grad-body::-webkit-scrollbar {
  width: 8px;
}

.sd-grad-body::-webkit-scrollbar-track {
  background: #f3f4f6;
  border-radius: 4px;
}

.sd-grad-body::-webkit-scrollbar-thumb {
  background: #d1d5db;
  border-radius: 4px;
}

.sd-grad-body::-webkit-scrollbar-thumb:hover {
  background: #9ca3af;
}

/* Gradient Preview */
.sd-grad-preview {
  width: 100%;
  height: 60px;
  border-radius: 12px;
  box-shadow: inset 0 0 0 1px rgb(0 0 0 / .1);
  background: linear-gradient(to right, #3b82f6, #ef4444);
  transition: background 0.3s ease;
  position: relative;
  overflow: hidden;
}

.sd-grad-preview::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgb(255 255 255 / .2), transparent);
  animation: shimmer 3s infinite;
}

/* Gradient Colors */
.sd-grad-colors {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.sd-grad-color-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sd-grad-color-label {
  font-size: 13px;
  font-weight: 600;
  color: #374151;
  text-transform: uppercase;
  letter-spacing: .5px;
  user-select: none;
}

.sd-grad-color-select {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}

.sd-grad-color-select:hover {
  border-color: #3b82f6;
  box-shadow: 0 2px 4px rgb(0 0 0 / .06);
  transform: translateY(-1px);
}

.sd-grad-color-select:active {
  transform: translateY(0);
}

.sd-grad-color-select:focus-visible {
  outline: 2px solid #3b82f6;
  outline-offset: 2px;
}

.sd-grad-color-chip {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  box-shadow: inset 0 0 0 1px rgb(0 0 0 / .1);
  flex-shrink: 0;
  transition: transform 0.2s ease;
  background-image: linear-gradient(45deg, #ccc 25%, transparent 25%), linear-gradient(-45deg, #ccc 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #ccc 75%), linear-gradient(-45deg, transparent 75%, #ccc 75%);
  background-size: 8px 8px;
  background-position: 0 0, 0 4px, 4px -4px, -4px 0;
}

.sd-grad-color-select:hover .sd-grad-color-chip {
  transform: scale(1.05);
}

.sd-grad-color-hex {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 14px;
  color: #111827;
  flex: 1;
  user-select: all;
  text-transform: uppercase;
}

/* Gradient Steps */
.sd-grad-steps {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sd-grad-steps-label {
  font-size: 13px;
  font-weight: 600;
  color: #374151;
  text-transform: uppercase;
  letter-spacing: .5px;
  user-select: none;
}

.sd-grad-steps-control {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sd-grad-slider {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: #e5e7eb;
  appearance: none;
  outline: none;
  cursor: pointer;
}

.sd-grad-slider:hover {
  background: #d1d5db;
}

.sd-grad-slider:focus-visible {
  outline: 2px solid #3b82f6;
  outline-offset: 4px;
}

.sd-grad-slider::-webkit-slider-thumb {
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #3b82f6;
  cursor: pointer;
  box-shadow: 0 2px 4px rgb(0 0 0 / .2);
  transition: all 0.2s ease;
}

.sd-grad-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  background: #2563eb;
}

.sd-grad-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #3b82f6;
  cursor: pointer;
  box-shadow: 0 2px 4px rgb(0 0 0 / .2);
  border: none;
  transition: all 0.2s ease;
}

.sd-grad-slider::-moz-range-thumb:hover {
  transform: scale(1.2);
  background: #2563eb;
}

.sd-grad-steps-value {
  min-width: 32px;
  text-align: center;
  font-weight: 600;
  color: #111827;
  font-size: 15px;
  user-select: none;
}

/* Gradient Direction */
.sd-grad-direction {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.sd-grad-direction-label {
  font-size: 13px;
  font-weight: 600;
  color: #374151;
  text-transform: uppercase;
  letter-spacing: .5px;
  user-select: none;
}

.sd-grad-direction-toggle {
  display: flex;
  gap: 8px;
  padding: 6px;
  background: #f3f4f6;
  border-radius: 10px;
}

.sd-grad-dir-btn {
  padding: 8px;
  border: none;
  background: #fff0;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  min-height: 48px;
  position: relative;
}

.sd-grad-dir-btn:hover {
  background: rgb(255 255 255 / .7);
  transform: scale(1.05);
}

.sd-grad-dir-btn:focus-visible {
  outline: 2px solid #3b82f6;
  outline-offset: -2px;
}

.sd-grad-dir-btn.active {
  background: #fff;
  box-shadow: 0 2px 6px rgb(0 0 0 / .12);
  transform: scale(1);
}

.sd-grad-dir-btn.active svg {
  filter: drop-shadow(0 1px 2px rgb(0 0 0 / .1));
}

.sd-grad-dir-icon {
  width: 48px;
  height: 32px;
  display: block;
}

.sd-grad-dir-btn::after {
  content: attr(aria-label);
  position: absolute;
  bottom: -28px;
  left: 50%;
  transform: translateX(-50%);
  background: #374151;
  color: #fff;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 10;
}

.sd-grad-dir-btn:hover::after {
  opacity: 1;
}

/* Gradient Footer */
.sd-grad-footer {
  padding: 12px 16px;
  border-top: 1px solid #e5e7eb;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  background: #fafafa;
}

.sd-grad-footer .sd-btn {
  min-width: 80px;
}

/* Gradient Messages */
.sd-gradient-message {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 20px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgb(0 0 0 / .15);
  z-index: 10001;
  display: none;
  font-size: 14px;
  font-weight: 500;
  max-width: 320px;
  text-align: center;
  animation: slideUpMessage 0.3s ease-out;
  pointer-events: none;
}

.sd-gradient-message--error {
  background: #ef4444;
  color: #fff;
}

.sd-gradient-message--warning {
  background: #f59e0b;
  color: #fff;
}

.sd-gradient-message--info {
  background: #3b82f6;
  color: #fff;
}

.sd-gradient-message--success {
  background: #10b981;
  color: #fff;
}

/* Keyframe Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    transform: scale(.95);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes slideUpMessage {
  from {
    transform: translateX(-50%) scale(.9);
    opacity: 0;
  }
  to {
    transform: translateX(-50%) scale(1);
    opacity: 1;
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

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

@keyframes popIn {
  from {
    transform: scale(.95);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes shake {
  0%, 100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-4px);
  }
  75% {
    transform: translateX(4px);
  }
}

@keyframes focusPulse {
  0%, 100% {
    opacity: 0;
  }
  50% {
    opacity: .5;
  }
}

/* Loading States */
.sd-grad-panel.is-loading {
  pointer-events: none;
}

.sd-grad-panel.is-loading .sd-grad-body {
  opacity: .5;
  filter: blur(1px);
}

.sd-grad-panel.is-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  border: 3px solid #e5e7eb;
  border-top-color: #3b82f6;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* Accessibility Utilities */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus Trap */
.focus-trap-active {
  position: relative;
}

.focus-trap-active::before {
  content: '';
  position: absolute;
  inset: -2px;
  border: 2px dashed #3b82f6;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  animation: focusPulse 2s infinite;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  .sd-grad-panel,
  .sd-cp-panel {
    border: 2px solid currentColor;
  }

  .sd-grad-color-select,
  .sd-grad-slider,
  .sd-grad-dir-btn {
    border-width: 2px;
  }

  .sd-grad-dir-btn.active {
    outline: 2px solid currentColor;
    outline-offset: -2px;
  }

  .sd-gradient-message {
    border: 2px solid currentColor;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .sd-grad-preview::after {
    display: none;
  }

  .sd-grad-dir-btn {
    transition: none;
  }

  .sd-grad-dir-btn::after {
    transition: none;
  }
}

/* Mobile Responsive */
@media (max-width: 480px) {
  .sd-grad-panel {
    width: 95vw;
    max-height: 95vh;
  }

  .sd-grad-body {
    padding: 16px;
  }

  .sd-grad-colors {
    grid-template-columns: 1fr;
  }

  .sd-grad-direction {
    flex-direction: column;
    align-items: stretch;
  }

  .sd-grad-direction-toggle {
    width: 100%;
  }

  .sd-grad-footer {
    flex-direction: column;
  }

  .sd-grad-footer .sd-btn {
    width: 100%;
  }
}

@media (max-width: 400px) {
  .sd-grad-colors {
    grid-template-columns: 1fr;
  }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
  .sd-grad-color-option,
  .sd-grad-dir-btn,
  .sd-grad-footer .sd-btn,
  .sd-cp-footer .sd-btn {
    min-height: 44px;
    min-width: 44px;
  }

  .sd-grad-color-select:hover,
  .sd-grad-dir-btn:hover,
  .sd-grad-footer .sd-btn:hover,
  .sd-cp-swatch:hover {
    transform: none;
    box-shadow: none;
  }

  .sd-grad-slider::-webkit-slider-thumb {
    width: 24px;
    height: 24px;
  }

  .sd-grad-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
  }
}

/* Print Styles */
@media print {
  #sdGradientOverlay,
  #sdColorPickerOverlay,
  .sd-gradient-message {
    display: none !important;
  }
}

/* Utility Classes */
.no-select {
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

.no-pointer {
  pointer-events: none;
}

.accelerated {
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  will-change: transform;
}

/* IE11 Support */
@supports (-ms-ime-align: auto) {
  .sd-grad-panel,
  .sd-cp-panel {
    display: -ms-grid;
    display: grid;
    -ms-grid-rows: auto 1fr auto;
    grid-template-rows: auto 1fr auto;
  }

  .sd-grad-header,
  .sd-cp-header {
    -ms-grid-row: 1;
    grid-row: 1;
  }

  .sd-grad-body,
  .sd-cp-body {
    -ms-grid-row: 2;
    grid-row: 2;
  }

  .sd-grad-footer,
  .sd-cp-footer {
    -ms-grid-row: 3;
    grid-row: 3;
  }
}

/* WebKit-specific */
@supports (-webkit-appearance: none) {
  .sd-grad-slider {
    -webkit-appearance: none;
    appearance: none;
  }
}

/* Firefox-specific */
@-moz-document url-prefix() {
  .sd-grad-slider {
    -moz-appearance: none;
    appearance: none;
  }
}