* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
  overflow: hidden;
}

span {
  font-family: "DM Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
}

html {
  background: #0b0b0b;
}

body.light html {
  background: #f8fafc;
}

body {
  margin: 0;
  font-family: "DM Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
  color: #d4d4d8;
  background: transparent;
  font-size: 12px;
  display: flex;
  flex-direction: column;
  position: relative;
  isolation: isolate;
}

body.light {
  color: #111827;
}

.particles-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 9999;
  overflow: hidden;
}

.particle {
  will-change: transform;
}

body.light .particle {
  background: rgba(0, 0, 0, 0.3) !important;
}

@keyframes space-drift-a {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(-60px, -38px, 0);
  }
}

@keyframes space-drift-b {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(46px, -52px, 0);
  }
}

.app-header,
.app {
  position: relative;
  z-index: 1;
}

.app-header {
  padding: 12px 16px 12px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  flex-shrink: 0;
  min-height: 42px;
  border-bottom: 1px solid #2a2a2a;
  background: #0b0b0b;
  position: relative;
}

.app-header.hidden {
  display: none;
}

.app-header h1 {
  margin: 0;
  font-size: 18px;
  line-height: 1;
}

.header-logo-section {
  display: flex;
  align-items: center;
  gap: 12px;
}

.app-logo {
  height: 24px;
  width: auto;
  display: block;
  filter: brightness(0) saturate(100%) invert(100%);
  opacity: 1;
}

body.light .app-logo {
  filter: brightness(0) saturate(100%);
  opacity: 1;
}

.app-header p {
  margin: 0;
  color: #9ca3af;
}

body.light .app-header p {
  color: #6b7280;
}

body.light .app-header {
  border-bottom: 1px solid #e5e7eb;
  background: #ffffff;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 100%;
}

.header-actions .primary-button {
  height: 34px;
}

.app {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
  flex: 1;
  min-height: 0;
  width: 100%;
  overflow: hidden;
  height: 100vh;
  max-height: 100vh;
}

.panel {
  background: rgba(15, 15, 15, 0.7);
  border-radius: 0;
  padding: 0;
  box-shadow: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow: hidden;
  min-height: 0;
  flex: 1;
}

body.light .panel {
  background: rgba(240, 240, 240, 0.7);
  box-shadow: none;
}

.controls-bar {
  padding: 0;
}

.panel.controls-bar.is-disabled {
  display: none;
}

.panel-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  overflow: auto;
  padding: 0;
}

.panel-content--horizontal {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  gap: 0;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0;
  align-items: stretch;
  flex: 1;
  min-height: 0;
  height: 100%;
}

.panel-section {
  background: transparent;
  border-radius: 0;
  padding: 24px 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 200px;
  flex: 1 1 0;
  height: 100%;
  align-self: stretch;
  border: 1px solid rgba(240, 240, 240, 0.08);
}

.panel-section--merged + .panel-section {
  border-left: none;
}

body.light .panel-section {
  background: #f8fafc;
  border-color: rgba(15, 23, 42, 0.08);
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-height: 0;
  margin: 0;
  padding: 0;
  align-items: stretch;
}

.control-label {
  font-weight: 600;
  font-size: 10px;
  color: #9ca3af;
}

body.light .control-label {
  color: #111827;
}

.control-group input[type="number"],
.control-group input[type="range"],
.control-group select,
.control-group input[type="file"] {
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid rgba(240, 240, 240, 0.1);
  background: #0b0b0b;
  color: #e5e7eb;
  outline: none;
}

.control-group input[type="number"]:focus {
  border-color: rgba(240, 240, 240, 0.2);
  outline: none;
}

.control-group input[type="number"]::-webkit-outer-spin-button,
.control-group input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

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

body.light .control-group input[type="number"]:focus {
  border-color: rgba(15, 23, 42, 0.2);
  outline: none;
}

select#easing {
  height: 36px;
  font-size: 12px;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
}

.direction-switch {
  padding: 10px 18px;
  border-radius: 0;
  border: none;
  background: #2a2a2a;
  color: #9ca3af;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  width: 100%;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.direction-switch:hover {
  background: #3f3f3f;
  color: #e5e7eb;
}

.direction-switch.active {
  background: #6b7280;
  color: #f0f0f0;
}

body.light .direction-switch {
  border: none;
  background: #e5e7eb;
  color: #6b7280;
}

body.light .direction-switch:hover {
  background: #d1d5db;
  color: #374151;
}

body.light .direction-switch.active {
  background: #6b7280;
  color: #f0f0f0;
}

.easing-buttons,
.scale-buttons,
.direction-buttons,
.fill-reveal-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  height: 36px;
  min-height: 36px;
  align-items: center;
}

.easing-buttons .easing-button {
  flex: 1 1 auto;
  min-width: 0;
}

.easing-button,
.scale-button {
  padding: 10px 16px;
  border-radius: 0;
  border: none;
  background: #2a2a2a;
  color: #9ca3af;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-sizing: border-box;
  height: 36px;
  min-height: 36px;
  max-height: 36px;
  margin: 0;
  line-height: 1;
}

.fill-reveal-toggle,
.sequential-loop-toggle {
  width: 100%;
}

.easing-button svg,
.scale-button svg {
  flex-shrink: 0;
  stroke: currentColor;
  fill: none;
}

.easing-button:hover,
.scale-button:hover {
  background: #3f3f3f;
  color: #e5e7eb;
}

.easing-button.active,
.scale-button.active {
  background: #6b7280;
  color: #f0f0f0;
}

body.light .easing-button,
body.light .scale-button {
  border: 1px solid #d1d5db;
  background: #ffffff;
  color: #374151;
}

body.light .easing-button:hover,
body.light .scale-button:hover {
  background: #f9fafb;
  border-color: #9ca3af;
  color: #111827;
}

body.light .easing-button.active,
body.light .scale-button.active {
  background: #111827;
  border-color: #111827;
  color: #ffffff;
}

/* Custom easing dropdown */
.easing-dropdown {
  position: relative;
  width: 100%;
  height: 36px;
  min-height: 36px;
  max-height: 36px;
  margin: 0;
  padding: 0;
}

.animation-options .control-group:has(#openEasingCurveEditor) {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 32px;
  column-gap: 8px;
  row-gap: 4px;
  align-items: center;
}

.animation-options .control-group:has(#openEasingCurveEditor) > .control-label {
  grid-column: 1 / -1;
}

.animation-options .control-group:has(#openEasingCurveEditor) > .easing-dropdown {
  grid-column: 1;
  align-self: end;
}

.easing-curve-trigger {
  grid-column: 2;
  position: relative;
  top: 0;
  right: 0;
  width: 32px;
  min-width: 32px;
  height: 36px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: end;
}

.easing-curve-editor {
  position: fixed;
  left: 32px;
  bottom: 32px;
  top: auto;
  right: auto;
  width: 240px;
  background: #0f0f0f;
  border: 1px solid rgba(240, 240, 240, 0.12);
  border-radius: 6px;
  padding: 10px;
  z-index: 1200;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
  opacity: 1;
  transform: translateY(0) scale(1);
  transform-origin: bottom left;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.easing-curve-editor.hidden {
  opacity: 0;
  transform: translateY(8px) scale(0.95);
  pointer-events: none;
}

.easing-curve-close {
  position: absolute;
  top: 6px;
  right: 8px;
  border: none;
  background: transparent;
  color: #9ca3af;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 0;
  display: none;
}

.easing-curve-graph-wrap {
  margin-top: 8px;
  border: 1px solid rgba(240, 240, 240, 0.1);
  background: #0b0b0b;
  border-radius: 4px;
  padding: 4px;
}

#easingCurveGraph {
  width: 100%;
  height: 120px;
}

#easingCurveGuide {
  stroke: rgba(156, 163, 175, 0.35);
  stroke-width: 1;
  fill: none;
}

#easingCurvePath {
  stroke: #9ca3af;
  stroke-width: 2;
  fill: none;
}

.easing-curve-controls {
  margin-top: 8px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 8px;
}

.easing-curve-controls label {
  font-size: 10px;
  color: #9ca3af;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.easing-curve-controls input[type="range"] {
  width: 100%;
}

body.light .easing-curve-editor {
  background: #ffffff;
  border-color: rgba(15, 23, 42, 0.12);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.18);
}

body.light #easingCurveGuide {
  stroke: rgba(107, 114, 128, 0.35);
}

body.light #easingCurvePath {
  stroke: #374151;
}

body.light .easing-curve-controls label,
body.light .easing-curve-close {
  color: #6b7280;
}

.easing-dropdown-toggle {
  width: 100%;
  justify-content: space-between;
  height: 36px;
  min-height: 36px;
}

.easing-dropdown-toggle .dropdown-arrow {
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.easing-dropdown-toggle[aria-expanded="true"] .dropdown-arrow {
  transform: rotate(180deg);
}

.easing-dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: #0b0b0b;
  border: 1px solid rgba(240, 240, 240, 0.1);
  border-radius: 0;
  display: none;
  flex-direction: column;
  z-index: 1000;
  max-height: 200px;
  overflow-y: auto;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.easing-dropdown-menu.show {
  display: flex;
}

#exportFormatDropdownMenu {
  top: auto;
  bottom: calc(100% + 4px);
}

.export-format-buttons {
  display: flex;
  gap: 8px;
  width: 100%;
}

.export-format-button {
  flex: 1;
  min-width: 0;
}

.easing-dropdown-item {
  width: 100%;
  justify-content: flex-start;
  border-radius: 0;
  border-bottom: 1px solid rgba(240, 240, 240, 0.05);
  padding: 10px 16px;
  text-align: left;
}

.easing-dropdown-item:last-child {
  border-bottom: none;
}

.easing-dropdown-item:hover {
  background: #3f3f3f;
  color: #e5e7eb;
}

.easing-dropdown-item.active {
  background: #3f3f3f;
  color: #e5e7eb;
}

body.light .easing-dropdown-menu {
  background: #f8fafc;
  border-color: rgba(15, 23, 42, 0.08);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

body.light .easing-dropdown-item {
  border-bottom-color: rgba(15, 23, 42, 0.05);
}

body.light .easing-dropdown-item:hover,
body.light .easing-dropdown-item.active {
  background: #e5e7eb;
  color: #374151;
}

/* Disabled state for easing dropdown */
.panel.controls-bar.is-disabled .easing-dropdown-toggle,
.panel.controls-bar .easing-dropdown-toggle:disabled {
  background: #151515 !important;
  color: #3a3a3a !important;
  cursor: not-allowed !important;
  pointer-events: none !important;
  filter: grayscale(1) brightness(0.6);
}

.panel.controls-bar.is-disabled .easing-dropdown-menu {
  display: none !important;
}

body.light .panel.controls-bar.is-disabled .easing-dropdown-toggle,
body.light .panel.controls-bar .easing-dropdown-toggle:disabled {
  background: #f3f4f6 !important;
  border-color: #e5e7eb !important;
  color: #d1d5db !important;
  filter: grayscale(1) brightness(1.1);
}

.easing-button:disabled,
.scale-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

#exportButton,
#exportButtonModal {
  padding: 10px 24px;
  min-width: 140px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
}

body.light .control-group input[type="number"],
body.light .control-group input[type="range"],
body.light .control-group select,
body.light .control-group input[type="file"] {
  border-color: #d1d5db;
  background: #ffffff;
  color: #111827;
}

.file-input {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
}

.file-input input[type="file"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  overflow: hidden;
  pointer-events: none;
}

.file-input label.file-button {
  pointer-events: auto;
  cursor: pointer;
  user-select: none;
}

.file-button {
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid rgba(240, 240, 240, 0.14);
  background: #0b0b0b;
  color: #e5e7eb;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  z-index: 1;
  pointer-events: auto;
  display: inline-block;
}

body.light .file-button {
  border-color: #d1d5db;
  background: #ffffff;
  color: #374151;
}

body.light .file-button:hover {
  border-color: #9ca3af;
  background: #f9fafb;
  color: #111827;
}

.file-button:hover {
  border-color: rgba(240, 240, 240, 0.28);
}

.file-name {
  font-size: 11px;
  color: #9ca3af;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 140px;
}

body.light .file-name {
  color: #6b7280;
}

.control-group input[type="range"] {
  padding: 0;
  margin: 0;
  -webkit-appearance: none;
  appearance: none;
  height: 36px;
  min-height: 36px;
  max-height: 36px;
  border-radius: 0;
  box-sizing: border-box;
  line-height: 0;
  --range-percent: 0%;
  background:
    repeating-linear-gradient(
        to right,
        #6b7280 0 10px,
        transparent 10px 12px
      )
      0 / var(--range-percent) 100% no-repeat,
    repeating-linear-gradient(
        to right,
        #1f1f1f 0 10px,
        transparent 10px 12px
      )
      0 / 100% 100% no-repeat;
  outline: none;
}

body.light .control-group input[type="range"] {
  background:
    repeating-linear-gradient(
        to right,
        #111827 0 10px,
        transparent 10px 12px
      )
      0 / var(--range-percent) 100% no-repeat,
    repeating-linear-gradient(
        to right,
        #e5e7eb 0 10px,
        transparent 10px 12px
      )
      0 / 100% 100% no-repeat;
}

.control-group input[type="range"]::-webkit-slider-runnable-track {
  height: 14px;
  border-radius: 0;
  background: transparent;
}

body.light .control-group input[type="range"]::-webkit-slider-runnable-track {
  background: transparent;
}

.control-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 0;
  height: 0;
  border: none;
  background: transparent;
}

body.light .control-group input[type="range"]::-webkit-slider-thumb {
  width: 0;
  height: 0;
  border: none;
  background: transparent;
  box-shadow: none;
}

.control-group input[type="range"]::-moz-range-track {
  height: 14px;
  border-radius: 0;
  background: transparent;
}

body.light .control-group input[type="range"]::-moz-range-track {
  background: transparent;
}

.control-group input[type="range"]::-moz-range-progress {
  height: 14px;
  border-radius: 0;
  background: transparent;
}

body.light .control-group input[type="range"]::-moz-range-progress {
  background: transparent;
}

.control-group input[type="range"]::-moz-range-thumb {
  width: 0;
  height: 0;
  border: none;
  background: transparent;
}

body.light .control-group input[type="range"]::-moz-range-thumb {
  width: 0;
  height: 0;
  border: none;
  background: transparent;
  box-shadow: none;
}

.control-group input[type="range"]:focus-visible::-webkit-slider-thumb {
  box-shadow: none;
}

.control-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  line-height: 1.2;
  min-height: 12px;
  height: 12px;
  margin: 0;
  padding: 0;
}

.control-label .value {
  font-size: 12px;
  font-weight: 600;
  color: #9ca3af;
  background: #1f2937;
  padding: 2px 6px;
  border-radius: 999px;
}

body.light .control-label .value {
  color: #111827;
  background: #e5e7eb;
}

.range-value {
  font-size: 10px;
  font-weight: 600;
  color: #9ca3af;
  margin-left: auto;
}

body.light .range-value {
  color: #111827;
}

.control-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: #9ca3af;
}

.pill-highlight {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: #f8fafc;
  color: #0b0b0b;
  font-weight: 700;
  letter-spacing: 0.02em;
}

body.light .control-checkbox {
  color: #374151;
}

.primary-button {
  padding: 6px 10px;
  border-radius: 999px;
  border: none;
  background: #e5e7eb;
  color: #0b0b0b;
  font-weight: 600;
  cursor: pointer;
}

body.light .primary-button {
  background: #111827;
  color: #f8fafc;
}

.primary-button:hover {
  background: #f0f0f0;
}

.secondary-button {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(240, 240, 240, 0.16);
  background: transparent;
  color: #e5e7eb;
  font-weight: 600;
  cursor: pointer;
}

body.light .secondary-button {
  border-color: #e5e7eb;
  background: #f0f0f0;
  color: #111827;
}

.secondary-button:hover {
  border-color: rgba(240, 240, 240, 0.35);
}

.icon-button {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  border: 1px solid rgba(240, 240, 240, 0.16);
  background: transparent;
  color: #9ca3af;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-sizing: border-box;
  flex-shrink: 0;
  transition: color 0.15s ease, background 0.15s ease;
}

.icon-button:hover {
  color: #e5e7eb;
  background: rgba(240, 240, 240, 0.08);
}

body.light .icon-button {
  border-color: #e5e7eb;
  background: #f0f0f0;
  color: #6b7280;
}

body.light .icon-button:hover {
  color: #374151;
  background: #d1d5db;
}

#toggleTheme {
  border: none;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

body.light #toggleTheme {
  background: transparent;
  color: rgba(166, 166, 166, 1);
}

.theme-icon {
  width: 16px;
  height: 16px;
  border-radius: 999px;
  box-shadow: inset 6px -2px 0 0 #9ca3af;
}

body.light .theme-icon {
  box-shadow: inset 6px -2px 0 0 #9ca3af;
}

.primary-button:disabled {
  background: #1f2937;
  cursor: not-allowed;
  color: #9ca3af;
}

body.light .primary-button:disabled {
  background: #f3f4f6;
  color: #d1d5db;
}

.export-status {
  min-height: 18px;
  font-size: 12px;
  color: #9ca3af;
  display: none;
}

body.light .export-status {
  color: #6b7280;
}

.export-resolution-display {
  padding: 10px 12px;
  background: rgba(42, 42, 42, 0.5);
  border: 1px solid rgba(240, 240, 240, 0.08);
  border-radius: 8px;
  font-size: 12px;
  color: #9ca3af;
  text-align: center;
  font-weight: 500;
  font-family: "DM Mono", monospace;
}

body.light .export-resolution-display {
  background: rgba(229, 231, 235, 0.6);
  border-color: rgba(15, 23, 42, 0.1);
  color: #6b7280;
}

#exportResolutionText {
  display: block;
}

.panel-section h2 {
  margin: 0 0 8px;
  font-size: 12px;
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Collapsible section styles */
.collapsible-section {
  display: flex;
  flex-direction: column;
}

.collapsible-header {
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 0 0 0px;
  font-size: 12px;
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color 0.15s;
}

.collapsible-header:hover {
  color: #d1d5db;
}

body.light .collapsible-header {
  color: #111827;
}

body.light .collapsible-header:hover {
  color: #374151;
}

.chevron-icon {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  transition: transform 0.2s ease;
  stroke: currentColor;
}

.collapsible-section.expanded .chevron-icon {
  transform: rotate(180deg);
}

.collapsible-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0;
  min-height: 0;
  flex: 0 1 auto;
}

.collapsible-section.expanded .collapsible-content {
  max-height: none;
  padding: 0;
  flex: 1 1 auto;
  min-height: 220px;
}

/* Photo trace section styling */
.photo-trace-section {
  margin-top: 0;
  padding-top: 33px;
  border-top: 1px solid rgba(240, 240, 240, 0.08);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Ensure photo trace section is always visible, even when paths are collapsed */
.collapsible-section .photo-trace-section {
  display: flex;
}

.photo-trace-section h3.section-title {
  font-size: 12px;
  font-weight: 600;
  color: rgba(86, 86, 86, 1);
  margin: 0;
  padding: 0;
  letter-spacing: -0.01em;
}

body.light .photo-trace-section h3.section-title {
  color: #1f2937;
}

.photo-trace-section .trace-cta__text {
  font-size: 11px;
  color: rgba(86, 86, 86, 1);
  line-height: 1.4;
  letter-spacing: -0.01em;
  margin: 0;
}

body.light .photo-trace-section .trace-cta__text {
  color: #6b7280;
}

.photo-trace-section .file-input {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
}

.photo-trace-section .photo-file-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.photo-trace-section .file-button {
  padding: 10px 24px;
  background: #2a2a2a;
  color: #9ca3af;
  border: none;
  border-radius: 0;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  letter-spacing: -0.01em;
}

.photo-trace-section .photo-trace-remove-button {
  width: 32px;
  min-width: 32px;
  height: 32px;
  padding: 0;
}

.photo-trace-section .photo-trace-remove-button:not(.hidden) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.photo-trace-section .photo-trace-remove-button svg {
  width: 14px;
  height: 14px;
}

.photo-trace-section .file-button:hover:not(:disabled) {
  background: #3f3f3f;
  color: #e5e7eb;
}

.photo-trace-section .file-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

body.light .photo-trace-section .file-button {
  background: #e5e7eb;
  color: #6b7280;
}

body.light .photo-trace-section .file-button:hover:not(:disabled) {
  background: #d1d5db;
  color: #1f2937;
}

.photo-trace-section .file-name {
  font-size: 10px;
  color: #6b7280;
  text-align: left;
}

/* Hide file name when it shows "No file chosen" - handled by JavaScript */
.photo-trace-section #photoFileName[style*="display: none"] {
  display: none !important;
}

body.light .photo-trace-section .file-name {
  color: #9ca3af;
}

/* Add scrolling to photo trace controls when content overflows */
.photo-trace-controls {
  max-height: 400px;
  overflow-y: auto;
  overflow-x: hidden;
}

/* Photo trace controls */
.photo-trace-controls {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 0;
  max-height: 400px;
  overflow-y: auto;
  overflow-x: hidden;
}

.photo-trace-controls.hidden {
  display: none;
}

.photo-trace-controls .control-group {
  margin: 0;
}

.photo-trace-controls .easing-button {
  width: 100%;
  justify-content: center;
}

body.light .panel-section h2 {
  color: #111827;
}

.section-title {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.section-icon {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: #0b0b0b;
  border: 1px solid #2a2a2a;
  display: inline-block;
  position: relative;
  flex-shrink: 0;
}

.section-icon::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 2px;
  background: #9ca3af;
  opacity: 0.8;
}

.section-icon--source::after {
  background: #9ca3af;
}

.section-icon--trace::after {
  background: #9ca3af;
}

.section-icon--anim::after {
  background: #9ca3af;
}

.section-icon--stroke::after {
  background: #9ca3af;
}

.section-icon--motion::after {
  background: #9ca3af;
}

.section-icon--export::after {
  background: #9ca3af;
}

.section-icon--paths::after {
  background: #9ca3af;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #111827;
  background: #9ca3af;
  margin-left: 6px;
}

body.light .tag {
  background: #9ca3af;
  color: #111827;
}

.helper-text {
  font-size: 10px;
  color: #9ca3af;
}

body.light .helper-text {
  color: #6b7280;
}

.hidden {
  display: none;
}

.easing-curve-editor.hidden {
  display: block;
}

.link-button {
  border: none;
  background: none;
  color: #d1d5db;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  margin-left: 6px;
}

.link-button:hover {
  color: #f0f0f0;
}

.panel-section--full {
  min-width: 220px;
  flex: 1 1 0;
  border-left: none;
}

/* Make Paths section scrollable like Animation section */
.panel-section--full.collapsible-section {
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.panel-section--full.collapsible-section > .collapsible-header {
  flex-shrink: 0;
}


.panel-section--merged {
  flex: 2 1 0;
  min-width: 400px;
  padding: 24px 32px;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  border-left: none;
}

.panel-section--merged > h2 {
  flex-shrink: 0;
}

.panel-section--merged .panel-section-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px 36px;
  height: fit-content;
  align-items: start;
}

.panel-section--merged .animation-sliders,
.panel-section--merged .animation-options {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: stretch;
}

.panel-section--merged .animation-sliders > .control-group,
.panel-section--merged .animation-options > .control-group {
  margin: 0;
  padding: 0;
}

/* Disabled state for bottom panel controls (no SVG loaded) */
.panel.controls-bar.is-disabled input,
.panel.controls-bar.is-disabled select,
.panel.controls-bar.is-disabled button,
.panel.controls-bar input:disabled,
.panel.controls-bar select:disabled,
/* Ensure photo file button is never disabled visually */
#photoFileButton {
  pointer-events: auto !important;
  cursor: pointer !important;
  opacity: 1 !important;
}

.panel.controls-bar.is-disabled #photoFileButton {
  opacity: 1 !important;
  pointer-events: auto !important;
  cursor: pointer !important;
  filter: none !important;
  color: #e5e7eb !important;
}

.panel.controls-bar button:disabled {
  cursor: not-allowed !important;
  pointer-events: none !important;
  filter: grayscale(1) brightness(0.6);
  color: #565656 !important;
}

.panel.controls-bar button:disabled#photoFileButton {
  cursor: pointer !important;
  pointer-events: auto !important;
  filter: none !important;
  opacity: 1 !important;
  color: #e5e7eb !important;
}

.panel.controls-bar.is-disabled input[type="text"],
.panel.controls-bar.is-disabled input[type="number"],
.panel.controls-bar.is-disabled select,
.panel.controls-bar input[type="text"]:disabled,
.panel.controls-bar input[type="number"]:disabled,
.panel.controls-bar select:disabled {
  background: #1f1f1f !important;
  border-color: #374151 !important;
  color: #565656 !important;
}

.panel.controls-bar.is-disabled input[type="checkbox"]:disabled {
  cursor: not-allowed !important;
  pointer-events: none !important;
  filter: grayscale(1) brightness(0.6);
  border-color: #565656 !important;
}

.panel.controls-bar.is-disabled input[type="checkbox"]:checked:disabled {
  background: #565656 !important;
  border-color: #565656 !important;
}

.panel.controls-bar.is-disabled .control-checkbox,
.panel.controls-bar .control-checkbox:has(input:disabled) {
  cursor: not-allowed !important;
  pointer-events: none !important;
  color: #565656 !important;
}

.panel.controls-bar.is-disabled .easing-button,
.panel.controls-bar.is-disabled .direction-button,
.panel.controls-bar.is-disabled .fill-reveal-button,
.panel.controls-bar .easing-button:disabled,
.panel.controls-bar .direction-button:disabled,
.panel.controls-bar .fill-reveal-button:disabled {
  background: #151515 !important;
  color: #3a3a3a !important;
  cursor: not-allowed !important;
  pointer-events: none !important;
  filter: grayscale(1) brightness(0.6);
}

.panel.controls-bar.is-disabled .easing-button:hover,
.panel.controls-bar.is-disabled .easing-button.active,
.panel.controls-bar.is-disabled .direction-button:hover,
.panel.controls-bar.is-disabled .direction-button.active,
.panel.controls-bar.is-disabled .fill-reveal-button:hover,
.panel.controls-bar.is-disabled .fill-reveal-button.active,
.panel.controls-bar .easing-button:disabled:hover,
.panel.controls-bar .easing-button:disabled.active,
.panel.controls-bar .direction-button:disabled:hover,
.panel.controls-bar .direction-button:disabled.active,
.panel.controls-bar .fill-reveal-button:disabled:hover,
.panel.controls-bar .fill-reveal-button:disabled.active {
  background: #151515 !important;
  color: #3a3a3a !important;
}

.panel.controls-bar.is-disabled .control-label,
.panel.controls-bar .control-label:has(input:disabled),
.panel.controls-bar .control-label:has(select:disabled) {
  color: #565656 !important;
}

.panel.controls-bar.is-disabled .range-value,
.panel.controls-bar .range-value {
  color: #565656 !important;
}

.panel.controls-bar.is-disabled .panel-section h2,
.panel.controls-bar.is-disabled .section-title {
  color: #565656 !important;
  filter: grayscale(1) brightness(0.7);
}

body.light .panel.controls-bar.is-disabled .panel-section h2,
body.light .panel.controls-bar.is-disabled .section-title {
  color: #d1d5db !important;
  filter: grayscale(1) brightness(1.1);
}

body.light .panel.controls-bar.is-disabled input,
body.light .panel.controls-bar.is-disabled select,
body.light .panel.controls-bar.is-disabled button,
body.light .panel.controls-bar input:disabled,
body.light .panel.controls-bar select:disabled,
body.light .panel.controls-bar button:disabled {
  filter: grayscale(1) brightness(1.2);
  color: #d1d5db !important;
}

body.light .panel.controls-bar.is-disabled input[type="text"],
body.light .panel.controls-bar.is-disabled input[type="number"],
body.light .panel.controls-bar.is-disabled select,
body.light .panel.controls-bar input[type="text"]:disabled,
body.light .panel.controls-bar input[type="number"]:disabled,
body.light .panel.controls-bar select:disabled {
  background: #f9fafb !important;
  border-color: #e5e7eb !important;
  color: #d1d5db !important;
}

body.light .panel.controls-bar.is-disabled .easing-button,
body.light .panel.controls-bar.is-disabled .direction-button,
body.light .panel.controls-bar.is-disabled .fill-reveal-button,
body.light .panel.controls-bar .easing-button:disabled,
body.light .panel.controls-bar .direction-button:disabled,
body.light .panel.controls-bar .fill-reveal-button:disabled {
  background: #f3f4f6 !important;
  border-color: #e5e7eb !important;
  color: #d1d5db !important;
  filter: grayscale(1) brightness(1.1);
}

body.light .panel.controls-bar.is-disabled .easing-button:hover,
body.light .panel.controls-bar.is-disabled .easing-button.active,
body.light .panel.controls-bar.is-disabled .direction-button:hover,
body.light .panel.controls-bar.is-disabled .direction-button.active,
body.light .panel.controls-bar.is-disabled .fill-reveal-button:hover,
body.light .panel.controls-bar.is-disabled .fill-reveal-button.active,
body.light .panel.controls-bar .easing-button:disabled:hover,
body.light .panel.controls-bar .easing-button:disabled.active,
body.light .panel.controls-bar .direction-button:disabled:hover,
body.light .panel.controls-bar .direction-button:disabled.active,
body.light .panel.controls-bar .fill-reveal-button:disabled:hover,
body.light .panel.controls-bar .fill-reveal-button:disabled.active {
  background: #f3f4f6 !important;
  border-color: #e5e7eb !important;
  color: #d1d5db !important;
}

body.light .panel.controls-bar.is-disabled .control-label,
body.light .panel.controls-bar .control-label:has(input:disabled),
body.light .panel.controls-bar .control-label:has(select:disabled) {
  color: #d1d5db !important;
}

.panel.controls-bar.is-disabled .control-group input[type="range"],
.panel.controls-bar .control-group input[type="range"]:disabled {
  background:
    repeating-linear-gradient(
        to right,
        #4b5563 0 10px,
        transparent 10px 12px
      )
      0 / var(--range-percent) 100% no-repeat,
    repeating-linear-gradient(
        to right,
        #1f1f1f 0 10px,
        transparent 10px 12px
      )
      0 / 100% 100% no-repeat;
  filter: grayscale(1) brightness(0.6);
  cursor: not-allowed !important;
}

body.light .panel.controls-bar.is-disabled .control-group input[type="range"],
body.light .panel.controls-bar .control-group input[type="range"]:disabled {
  background:
    repeating-linear-gradient(
        to right,
        #d1d5db 0 10px,
        transparent 10px 12px
      )
      0 / var(--range-percent) 100% no-repeat,
    repeating-linear-gradient(
        to right,
        #f3f4f6 0 10px,
        transparent 10px 12px
      )
      0 / 100% 100% no-repeat;
  filter: grayscale(1) brightness(1.2);
  cursor: not-allowed !important;
}

body.light .panel.controls-bar.is-disabled .control-group input[type="range"]::-webkit-slider-thumb,
body.light .panel.controls-bar .control-group input[type="range"]:disabled::-webkit-slider-thumb {
  width: 0 !important;
  height: 0 !important;
  border: none !important;
  background: transparent !important;
  box-shadow: none !important;
}

body.light .panel.controls-bar.is-disabled .control-group input[type="range"]::-moz-range-thumb,
body.light .panel.controls-bar .control-group input[type="range"]:disabled::-moz-range-thumb {
  width: 0 !important;
  height: 0 !important;
  border: none !important;
  background: transparent !important;
  box-shadow: none !important;
}

.panel-section-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px 24px;
  height: fit-content;
}

.paths-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 0;
  height: 100%;
  max-height: none;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  touch-action: pan-y;
  -webkit-overflow-scrolling: touch;
  padding: 0;
  padding-left: 0;
  padding-right: 0;
  font-size: 11px;
}

.collapsible-section.expanded .collapsible-content .paths-list {
  padding: 0;
}

.paths-list.empty {
  color: #9ca3af;
}

.panel.controls-bar.is-disabled .paths-list {
  color: #3a3a3a !important;
  pointer-events: none !important;
}

body.light .paths-list.empty {
  color: #9ca3af;
}

body.light .panel.controls-bar.is-disabled .paths-list {
  color: #d1d5db !important;
}

.path-item {
  display: flex;
  flex-shrink: 0;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 0;
  background: #1f1f1f;
  border: none;
  cursor: grab;
  user-select: none;
  transition: all 0.2s;
}

.path-item input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border: 1px solid #6b7280;
  border-radius: 2px;
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s, border-color 0.15s;
}

.path-item input[type="checkbox"]:checked {
  background: #6b7280;
  border-color: #6b7280;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14'%3E%3Cpath fill='none' stroke='%23f0f0f0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' d='M3 7l3 3 5-6'/%3E%3C/svg%3E");
  background-size: contain;
}

.path-item input[type="checkbox"]:hover {
  border-color: #9ca3af;
}

.path-item input[type="checkbox"]:checked:hover {
  border-color: #6b7280;
}

body.light .path-item input[type="checkbox"] {
  border-color: #6b7280;
}

body.light .path-item input[type="checkbox"]:checked {
  background-color: #6b7280;
  border-color: #6b7280;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 14'%3E%3Cpath fill='none' stroke='%23f0f0f0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' d='M3 7l3 3 5-6'/%3E%3C/svg%3E");
}

body.light .path-item input[type="checkbox"]:hover {
  border-color: #6b7280;
}

.path-item:active {
  cursor: grabbing;
}

.path-item-main {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
}

.path-item-name {
  min-width: 0;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.path-item-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.path-item.dragging {
  opacity: 0.5;
  transform: scale(0.95);
  border: 2px dashed #f0f0f0;
}

.path-item.drag-over {
  border-top: 2px solid #f0f0f0;
}

body.light .path-item {
  background: #e5e7eb;
  border: none;
}

.path-item span {
  color: #f0f0f0;
}

body.light .path-item span {
  color: #000000;
}

.path-length {
  white-space: nowrap;
}

.path-seq-speed {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  margin-left: 24px;
}

.path-seq-speed-label {
  font-size: 10px;
  color: #9ca3af !important;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.path-seq-speed input {
  width: 72px;
  border: 1px solid #4b5563;
  background: #171717;
  color: #f0f0f0;
  padding: 3px 6px;
  font-size: 10px;
  line-height: 1.2;
  border-radius: 3px;
  outline: none;
  font-family: "DM Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
}

.path-seq-speed input:focus {
  border-color: #6b7280;
  outline: none;
}

.path-seq-speed input::-webkit-outer-spin-button,
.path-seq-speed input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.path-seq-speed input[type=number] {
  -moz-appearance: textfield;
  appearance: textfield;
}

body.light .path-seq-speed-label {
  color: #6b7280 !important;
}

body.light .path-seq-speed input {
  border-color: #cbd5e1;
  background: #ffffff;
  color: #111827;
}

body.light .path-seq-speed input:focus {
  border-color: #9ca3af;
  outline: none;
}

.path-order {
  font-size: 11px;
  font-weight: 600;
  color: #e5e7eb;
  background: #374151;
  border-radius: 2px;
  padding: 2px 6px;
}

body.light .path-order {
  color: #374151;
  background: #d1d5db;
}

.path-actions {
  display: flex;
  gap: 4px;
}

.path-action {
  border: 1px solid #f0f0f0;
  background: #000000;
  color: #f0f0f0;
  border-radius: 6px;
  padding: 2px 6px;
  cursor: pointer;
  font-size: 12px;
  line-height: 1;
}

body.light .path-action {
  border-color: #000000;
  background: #f0f0f0;
  color: #000000;
}

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

.preview {
  background: #0b0b0b;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
  min-height: 50vh;
  position: relative;
  flex: 1.5;
  min-height: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  align-items: stretch;
  overflow: hidden;
}

.app:has(.panel.controls-bar.is-disabled) .preview {
  flex: 1 1 auto;
  min-height: 100%;
}

body.light .preview {
  background: #f0f0f0;
}

.preview-pane {
  position: relative;
  background: rgba(11, 11, 11, 0.6);
  border-radius: 0;
  border: 1px solid rgba(240, 240, 240, 0.1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

body.light .preview-pane {
  background: rgba(240, 240, 240, 0.6);
  border-color: rgba(15, 23, 42, 0.1);
}

.preview-pane--main {
  align-items: center;
  justify-content: center;
}

.preview-pane--main:has(#previewEmpty:not(.hidden)) {
  border: none;
}

.preview-pane--trace {
  padding: 10px;
  gap: 10px;
  border: none;
}

.trace-title {
  font-size: 11px;
  font-weight: 600;
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.trace-panel-button {
  align-self: flex-start;
  font-size: 11px;
}

body.light .trace-title {
  color: #6b7280;
}

.preview-canvas {
  width: 100%;
  height: 100%;
  background: #000000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px;
}


body.light .preview-canvas {
  background: #ffffff;
}

.preview-canvas--trace {
  border-radius: 0;
  border: 1px dashed rgba(148, 163, 184, 0.2);
  flex: 1;
  background: rgba(8, 12, 18, 0.6);
  padding: 10px;
  position: relative;
}

body.light .preview-canvas--trace {
  border-color: rgba(15, 23, 42, 0.15);
  background: #f8fafc;
}

.preview-pane--trace .trace-cta__title,
.preview-pane--trace .trace-cta__text,
.preview-pane--trace .trace-cta__note,
.preview-pane--trace #openTraceModal {
  display: none;
}

.preview-pane--trace.is-cta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #9ca3af;
}

.preview-pane--trace.is-cta .trace-title {
  display: none;
}

.preview-pane--trace.is-cta .trace-cta__title,
.preview-pane--trace.is-cta .trace-cta__text,
.preview-pane--trace.is-cta .trace-cta__note,
.preview-pane--trace.is-cta #openTraceModal {
  display: block;
}

body.light .preview-pane--trace.is-cta {
  color: #111827;
}

.trace-cta__title {
  font-weight: 700;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: center;
}

.trace-cta__text {
  font-size: 11px;
  color: rgba(86, 86, 86, 1);
  line-height: 1.4;
  letter-spacing: -0.01em;
}

body.light .trace-cta__text {
  color: #6b7280;
}

.trace-cta__note {
  font-size: 10px;
  color: #6b7280;
}

.collapsible-content .trace-cta__text {
  margin-bottom: 8px;
}

.collapsible-content .trace-cta__note {
  margin-bottom: 16px;
  font-size: 10px;
  color: #6b7280;
}

.preview-pane--trace.is-cta .easing-button {
  padding: 10px 16px;
  border-radius: 0;
  background: #2a2a2a;
  color: #9ca3af;
}

.preview-pane--trace.is-cta .easing-button:hover {
  background: #3f3f3f;
  color: #e5e7eb;
}

.trace-panel-button {
  border-radius: 999px;
  padding: 6px 12px;
  display: none;
}

.trace-panel-button.is-visible {
  display: inline-block;
}

body.light .trace-cta__note {
  color: #9ca3af;
}

body.light .preview-pane--trace.is-cta .easing-button {
  background: #e5e7eb;
  color: #6b7280;
}

body.light .preview-pane--trace.is-cta .easing-button:hover {
  background: #d1d5db;
  color: #374151;
}

.trace-svg {
  display: none;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.trace-svg svg {
  max-width: 200px;
  max-height: 200px;
}

.trace-svg.is-visible {
  display: flex;
}


.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

.modal.hidden {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(8, 11, 16, 0.7);
}

.modal-card {
  position: relative;
  width: min(520px, 92vw);
  max-height: 85vh;
  background: #0f0f0f;
  border: 1px solid rgba(148, 163, 184, 0.15);
  border-radius: 14px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

body.light .modal-card {
  background: #f0f0f0;
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.modal-header h2 {
  margin: 0;
  font-size: 16px;
}

.modal-subtitle {
  margin: 4px 0 0;
  font-size: 12px;
  color: #9ca3af;
}

.modal-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: auto;
  padding-right: 4px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.modal-body::-webkit-scrollbar {
  display: none;
}

/* Export modal sizing/spacing and open-close animation */
#exportModal {
  opacity: 0;
  transition: opacity 0.22s ease;
}

#exportModal .modal-backdrop {
  opacity: 0;
  transition: opacity 0.22s ease;
}

#exportModal .modal-card {
  width: min(680px, 94vw);
  max-height: calc(86vh + 52px);
  padding: 24px;
  gap: 18px;
  opacity: 0;
  transform: translateY(12px) scale(0.98);
  transition: transform 0.24s ease, opacity 0.2s ease;
}

#exportModal .modal-header {
  gap: 16px;
}

#exportModal .modal-body {
  gap: 16px;
  padding: 8px 4px 12px 4px;
}

#exportModal .modal-body .control-group {
  margin-bottom: 6px;
}

#exportModal.is-open {
  opacity: 1;
}

#exportModal.is-open .modal-backdrop,
#exportModal.is-open .modal-card {
  opacity: 1;
}

#exportModal.is-open .modal-card {
  transform: translateY(0) scale(1);
}

.preview-canvas svg {
  width: 100%;
  height: 100%;
}

.preview-canvas--trace svg {
  max-width: 200px;
  max-height: 200px;
}

.preview-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(156, 163, 175, 1);
  font-size: 11px;
  border: none;
  outline: none;
  cursor: pointer;
  margin: 0;
  padding: 0;
  width: 100%;
}

.preview-empty #toggleTheme {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 10;
  transform: none;
  left: auto;
}

.preview-empty-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  text-align: center;
  width: 100%;
  max-width: 100%;
  padding: 0;
  margin: 0;
}

.preview-empty-showcase {
  width: min(420px, 76vw);
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  flex-shrink: 0;
  margin: 0 auto;
  overflow: hidden;
  position: relative;
  box-sizing: border-box;
}

.preview-showcase-stage {
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.95s cubic-bezier(0.22, 1, 0.36, 1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-showcase-stage.is-fading-out {
  transition-duration: 1.45s;
  transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

.preview-showcase-stage.is-visible {
  opacity: 1;
}

.preview-showcase-stage svg {
  width: 100%;
  height: 100%;
  display: block;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  overflow: visible;
}

.preview-empty-showcase {
  overflow: hidden;
}

body.light .preview-showcase-stage svg [stroke] {
  stroke: #000 !important;
}

body.light .preview-showcase-stage svg [style*="stroke:"] {
  stroke: #000 !important;
}

.preview-empty-text {
  display: block;
  text-align: center;
  margin: 0;
  padding: 0;
  line-height: 1.4;
  font-size: 12px;
}


.preview-controls {
  position: absolute;
  bottom: 16px;
  left: 24px;
  right: 24px;
  padding-left: 8px;
  padding-right: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  z-index: 10;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  color: rgba(78, 78, 80, 1);
}

#photoTraceBottomButton {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  margin-top: 0px;
  margin-bottom: 30px;
  color: rgba(156, 163, 175, 1);
  text-align: center;
}

#photoTraceBottomButton span {
  font-size: 12px;
}

/* Hide controls in fullscreen mode */
.preview-pane:fullscreen .preview-controls {
  opacity: 0;
  visibility: hidden;
}

/* Show controls on hover when in fullscreen */
.preview-pane:fullscreen:hover .preview-controls {
  opacity: 1;
  visibility: visible;
}

.preview-control-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 6px 10px;
  height: 32px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(240, 240, 240, 0.08);
  border-radius: 6px;
  color: rgba(156, 163, 175, 1);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  backdrop-filter: blur(4px);
  white-space: nowrap;
}

.preview-control-button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  pointer-events: none;
}

.preview-control-button.hidden {
  display: none;
}

.preview-control-button:hover {
  background: rgba(15, 23, 42, 0.8);
  border-color: rgba(240, 240, 240, 0.12);
  color: #9ca3af;
}

.preview-control-button:active {
  transform: scale(0.95);
}

.preview-control-button.active {
  background: rgba(156, 163, 175, 0.2);
  border-color: rgba(156, 163, 175, 0.3);
  color: #9ca3af;
}

.preview-control-button--checkbox.active {
  background: transparent;
  border: none;
  color: #9ca3af;
}

.preview-control-button svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  stroke: currentColor;
  fill: none;
  color: rgba(86, 86, 86, 1);
}

.preview-control-button--checkbox {
  background: transparent;
  border: none;
  padding: 6px 0;
  justify-content: flex-start;
}

.preview-control-button--checkbox:hover {
  background: transparent;
  border: none;
  color: #9ca3af;
}

.preview-control-button--checkbox:active {
  transform: none;
}

.preview-control-button:not(.preview-control-button--checkbox) {
  background: transparent;
  border: none;
  padding: 6px 0;
}

.preview-control-button:not(.preview-control-button--checkbox):hover {
  background: transparent;
  border: none;
  color: #9ca3af;
}

.preview-control-button:not(.preview-control-button--checkbox):active {
  transform: none;
}


#fullscreenButton span {
  color: rgba(86, 86, 86, 1);
}

#uploadSvgButton span {
  color: rgba(86, 86, 86, 1);
}

.checkbox-square {
  width: 12px;
  height: 12px;
  border: 1px solid rgba(86, 86, 86, 1);
  border-radius: 2px;
  flex-shrink: 0;
  transition: all 0.15s;
  background: transparent;
  color: rgba(86, 86, 86, 1);
}

.preview-control-button--checkbox.active .checkbox-square {
  background: #f0f0f0;
  border-color: #f0f0f0;
}


.preview-control-button--checkbox:disabled .checkbox-square {
  border-color: #9ca3af;
  opacity: 0.3;
}

body.light .preview-control-button--checkbox .checkbox-square {
  border-color: #6b7280;
}

body.light .preview-control-button--checkbox.active .checkbox-square {
  background: #111827;
  border-color: #111827;
}

body.light .preview-control-button {
  background: transparent;
  border-color: rgba(15, 23, 42, 0.08);
  color: #6b7280;
}

body.light .preview-control-button:hover {
  background: transparent;
  border-color: rgba(15, 23, 42, 0.12);
  color: #374151;
}

body.light .preview-control-button.active {
  background: transparent;
  border-color: rgba(156, 163, 175, 0.25);
  color: #6b7280;
}

body.light .preview-control-button--checkbox.active {
  background: transparent;
  border: none;
  color: #6b7280;
}

.trace-empty {
  color: #6b7280;
  font-size: 11px;
}

body.light .trace-empty {
  color: #6b7280;
}

/* ============================================
   Footer - About Me & Contact Me
   ============================================ */

.app-footer {
  position: fixed;
  bottom: 0;
  right: 0;
  z-index: 5;
  padding: 16px 24px;
  background: rgba(15, 15, 15, 0.85);
  border-top-left-radius: 8px;
  border: 1px solid rgba(240, 240, 240, 0.08);
  border-right: none;
  border-bottom: none;
  backdrop-filter: blur(8px);
  max-width: 320px;
  transition: all 0.3s ease;
}

body.light .app-footer {
  background: rgba(240, 240, 240, 0.9);
  border-color: rgba(15, 23, 42, 0.1);
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-me h3,
.contact-me h3 {
  margin: 0 0 6px 0;
  font-size: 11px;
  font-weight: 600;
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

body.light .about-me h3,
body.light .contact-me h3 {
  color: #374151;
}

.about-me p,
.contact-me p {
  margin: 0;
  font-size: 11px;
  line-height: 1.5;
  color: #d4d4d8;
}

body.light .about-me p,
body.light .contact-me p {
  color: #111827;
}

.contact-me a {
  color: #9ca3af;
  text-decoration: none;
  transition: color 0.15s ease;
}

.contact-me a:hover {
  color: #e5e7eb;
  text-decoration: underline;
}

body.light .contact-me a {
  color: #6b7280;
}

body.light .contact-me a:hover {
  color: #111827;
}

/* Hide footer when SVG is loaded */
.app:has(.panel.controls-bar:not(.is-disabled)) ~ .app-footer {
  display: none;
}

/* ============================================
   Mobile Responsive Styles
   ============================================ */

@media (max-width: 768px) {
  /* App container fixes */
  .app {
    min-height: 100vh;
    height: 100vh;
    max-height: 100vh;
    overflow: hidden;
  }

  body {
    overflow: hidden;
    height: 100%;
  }

  /* Header fixes */
  .app-header {
    padding: 8px 16px;
    flex-shrink: 0;
  }

  .header-logo-section {
    gap: 8px;
  }

  .app-logo {
    height: 20px;
  }

  /* Preview section fixes */
  .preview-canvas {
    padding: 20px 20px 80px 20px;
  }

  .preview-controls {
    left: 12px;
    right: 12px;
    bottom: 12px;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    padding: 0;
    background: transparent;
    backdrop-filter: none;
    border-radius: 0;
    border: none;
    max-height: none;
    overflow-y: visible;
  }

  body.light .preview-controls {
    background: transparent;
    border: none;
  }

  .preview-control-button {
    font-size: 11px;
    padding: 6px 0;
    min-height: 44px;
    flex: 0 1 auto;
    white-space: nowrap;
    background: transparent !important;
    border: none !important;
    backdrop-filter: none !important;
  }

  .preview-control-button:hover {
    background: transparent !important;
    border: none !important;
  }

  /* Ensure preview pane doesn't overlap controls */
  .preview-pane {
    padding-bottom: 0;
  }

  /* Add spacing between SVG and controls */
  .preview-canvas svg {
    max-width: calc(100% - 40px);
    max-height: calc(100% - 80px);
  }

  /* Empty state fixes - mobile only */
  .preview-pane--main {
    position: relative !important;
    height: 100% !important;
    min-height: 100% !important;
    flex: 1 !important;
    display: flex !important;
    flex-direction: column !important;
  }

  .preview-empty[style*="display: none"] {
    display: none !important;
  }

  .preview-empty:not([style*="display: none"]) {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    height: 100% !important;
    min-height: 100% !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    -webkit-overflow-scrolling: touch;
    align-items: center !important;
    justify-content: center !important;
    padding: 0 !important;
    z-index: 10 !important;
    display: flex !important;
    flex-direction: column !important;
    visibility: visible !important;
    opacity: 1 !important;
  }

  .preview-empty-content {
    width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 24px !important;
    padding: 40px 16px 120px 16px !important;
    box-sizing: border-box !important;
    min-height: min-content !important;
    visibility: visible !important;
    opacity: 1 !important;
  }

  .preview-empty-showcase {
    width: min(85vw, 280px) !important;
    max-width: 100% !important;
    margin: 0 auto !important;
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
  }

  .preview-empty-text {
    font-size: 11px !important;
    padding: 0 8px !important;
    max-width: 100% !important;
    word-wrap: break-word !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    color: rgba(156, 163, 175, 1) !important;
  }

  .preview-showcase-stage {
    display: flex !important;
    visibility: visible !important;
    width: 100% !important;
    height: 100% !important;
  }

  /* Ensure controls are visible and don't overlap */
  .preview-controls {
    z-index: 20 !important;
  }

  /* Panel sections fixes */
  .panel-section {
    padding: 16px 20px;
    min-width: 0;
    height: auto !important;
    min-height: auto !important;
  }

  .panel-section--merged {
    min-width: 0;
    padding: 16px 20px;
    height: auto !important;
    min-height: auto !important;
  }

  .panel-section--merged .panel-section-content {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .panel-content--horizontal {
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    flex: 1;
    min-height: 0;
    height: 100%;
  }

  .panel {
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 0;
    height: 100%;
    flex: 1;
  }

  .panel-section {
    overflow-y: auto;
    overflow-x: hidden;
    min-height: 0;
    flex: 0 0 auto;
    max-height: none;
    height: auto;
  }

  /* Make preview sticky at top */
  .preview {
    position: sticky !important;
    top: 0 !important;
    z-index: 10 !important;
    height: 50vh !important;
    min-height: 50vh !important;
    max-height: 50vh !important;
    flex-shrink: 0 !important;
    overflow: hidden;
    display: grid !important;
    grid-template-columns: 1fr !important;
    grid-template-rows: 1fr !important;
    align-items: stretch !important;
  }

  .app:has(.panel.controls-bar.is-disabled) .preview {
    height: 100vh !important;
    min-height: 100vh !important;
    max-height: 100vh !important;
  }

  .preview-pane {
    height: 100% !important;
    min-height: 100% !important;
    width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    align-self: stretch !important;
    grid-row: 1 !important;
    grid-column: 1 !important;
  }

  .preview-pane--main {
    height: 100% !important;
    min-height: 100% !important;
    width: 100% !important;
    flex: 1 !important;
    display: flex !important;
    flex-direction: column !important;
  }


  /* Animation section grid fixes */
  .panel-section--merged .animation-sliders,
  .panel-section--merged .animation-options {
    gap: 16px;
  }

  /* Control groups and buttons */
  .easing-button,
  .scale-button,
  .direction-button,
  .fill-reveal-toggle,
  .sequential-loop-toggle {
    min-height: 44px;
    font-size: 12px;
  }

  .easing-dropdown {
    width: 100%;
    height: 44px;
    min-height: 44px;
    max-height: 44px;
  }

  .easing-dropdown-toggle {
    height: 44px;
    min-height: 44px;
  }

  .easing-curve-trigger {
    width: 44px;
    min-width: 44px;
    height: 44px;
    min-height: 44px;
  }

  .animation-options .control-group:has(#openEasingCurveEditor) {
    grid-template-columns: minmax(0, 1fr) 44px;
  }

  /* Paths list fixes */
  .paths-list {
    max-height: none !important;
    padding: 4px 0;
    overflow: visible !important;
  }

  .path-item {
    padding: 12px;
    gap: 10px;
  }

  .path-item-main {
    gap: 8px;
  }

  .path-action {
    min-width: 44px;
    min-height: 44px;
    padding: 10px;
    font-size: 14px;
  }

  .path-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    min-width: 18px;
    min-height: 18px;
  }

  .path-seq-speed input {
    min-height: 44px;
    font-size: 12px;
    outline: none;
  }

  .path-seq-speed input:focus {
    outline: none;
  }

  /* Easing curve editor popup */
  .easing-curve-editor {
    left: 50%;
    right: auto;
    bottom: auto;
    top: 50%;
    transform: translate(-50%, -50%) scale(1);
    transform-origin: center center;
    width: min(90vw, 280px);
    max-height: 80vh;
    overflow-y: auto;
    position: fixed;
  }

  .easing-curve-editor.hidden {
    transform: translate(-50%, -50%) scale(0.95);
  }

  /* Theme toggle button */
  .icon-button {
    min-width: 44px;
    min-height: 44px;
  }

  /* Photo trace button positioning */
  #photoTraceBottomButton {
    position: relative;
    left: auto;
    transform: none;
    margin: 0;
    width: auto;
  }

  .export-format-button {
    min-height: 44px;
  }

  /* Modal adjustments */
  .modal-card {
    width: 95vw;
    max-width: 95vw;
    margin: 20px auto;
    max-height: 90vh;
  }

  .modal-header h2 {
    font-size: 14px;
  }

  .modal-subtitle {
    font-size: 11px;
  }

  .easing-curve-controls {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .easing-curve-controls label {
    font-size: 11px;
  }

  .easing-curve-controls input[type="range"] {
    min-height: 44px;
  }

  /* Collapsible sections */
  .collapsible-content {
    max-height: none !important;
    overflow-y: auto;
    overflow-x: hidden;
    flex: 1;
    min-height: 0;
  }

  .collapsible-section.expanded .collapsible-content {
    max-height: none !important;
    min-height: 0 !important;
  }

  .collapsible-header {
    min-height: 44px;
    padding: 12px 16px;
    touch-action: manipulation;
    flex-shrink: 0;
  }

  /* Section titles */
  .section-title {
    font-size: 12px;
  }

  /* Range inputs */
  .control-group input[type="range"] {
    min-height: 44px;
    padding: 12px 0;
  }

  /* Export button in header */
  .header-actions .easing-button {
    min-height: 40px;
    padding: 8px 12px;
    font-size: 11px;
  }

  /* Footer adjustments for mobile */
  .app-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-width: 100%;
    border-radius: 0;
    border: none;
    border-top: 1px solid rgba(240, 240, 240, 0.08);
    padding: 20px 16px;
    margin-top: 0;
  }

  body.light .app-footer {
    border-top-color: rgba(15, 23, 42, 0.1);
  }

  .footer-content {
    gap: 20px;
  }
}

@media (max-width: 480px) {
  /* Very small screens */
  .app-header {
    padding: 6px 12px;
  }

  .app-logo {
    height: 18px;
  }

  .preview-canvas {
    padding: 12px 12px 100px 12px;
  }

  .preview-controls {
    left: 8px;
    right: 8px;
    bottom: 8px;
    gap: 16px;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    padding: 0;
    background: transparent;
    border: none;
  }

  .preview-control-button {
    width: auto;
    flex: 0 1 auto;
    justify-content: center;
    min-height: 44px;
    padding: 6px 0;
    background: transparent !important;
    border: none !important;
    backdrop-filter: none !important;
  }

  .preview-control-button:hover {
    background: transparent !important;
    border: none !important;
  }

  /* More spacing on very small screens */
  .preview-canvas svg {
    max-width: calc(100% - 24px);
    max-height: calc(100% - 100px);
  }

  .preview-empty[style*="display: none"] {
    display: none !important;
  }

  .preview-empty:not([style*="display: none"]) {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    height: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    z-index: 10 !important;
    visibility: visible !important;
    opacity: 1 !important;
  }

  .preview-empty-content {
    width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 16px !important;
    padding: 30px 12px 140px 12px !important;
    box-sizing: border-box !important;
    min-height: min-content !important;
    visibility: visible !important;
    opacity: 1 !important;
  }

  .preview-empty-showcase {
    width: min(90vw, 240px) !important;
    max-width: 100% !important;
    margin: 0 auto !important;
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
  }

  .preview-empty-text {
    font-size: 10px !important;
    padding: 0 4px !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    color: rgba(156, 163, 175, 1) !important;
  }

  .preview-pane--main:has(#previewEmpty:not(.hidden)) .preview-empty-showcase {
    width: min(90vw, 240px);
    max-width: 100%;
    margin: 0 auto;
  }

  .preview-pane--main:has(#previewEmpty:not(.hidden)) .preview-empty-text {
    font-size: 10px;
    padding: 0 4px;
  }

  .preview-pane--main:has(#previewEmpty:not(.hidden)) .preview-controls {
    bottom: 8px;
    z-index: 15;
    position: absolute;
    flex-shrink: 0;
  }

  .panel-section {
    padding: 12px 16px;
  }

  .panel-section--merged {
    padding: 12px 16px;
  }

  .panel-section--merged .panel-section-content {
    gap: 12px;
  }

  .control-group {
    gap: 6px;
  }

  .control-label {
    font-size: 9px;
  }

  .easing-button,
  .scale-button,
  .direction-button,
  .fill-reveal-toggle,
  .sequential-loop-toggle {
    font-size: 11px;
    padding: 10px 14px;
  }

  .easing-curve-editor {
    width: 95vw;
    padding: 12px;
    left: 50%;
    transform: translate(-50%, -50%) scale(1);
  }

  .easing-curve-editor.hidden {
    transform: translate(-50%, -50%) scale(0.95);
  }

  .icon-button {
    min-width: 44px;
    min-height: 44px;
    padding: 10px;
  }

  .modal-card {
    width: 98vw;
    max-width: 98vw;
    padding: 12px;
  }

  .modal-header h2 {
    font-size: 13px;
  }

  .easing-curve-graph-wrap {
    margin-bottom: 12px;
  }

  /* Paths list on very small screens */
  .paths-list {
    max-height: 250px;
  }

  .path-item {
    padding: 10px;
  }

  .path-item-main {
    flex-wrap: wrap;
    gap: 8px;
  }

  .path-item-name {
    font-size: 10px;
  }

  .path-length {
    font-size: 9px;
  }

  .path-action {
    min-width: 40px;
    min-height: 40px;
    padding: 8px;
  }

  /* Collapsible sections */
  .collapsible-content {
    max-height: none !important;
    overflow-y: auto;
    overflow-x: hidden;
  }

  /* Footer on very small screens */
  .app-footer {
    padding: 16px 12px;
  }

  .about-me h3,
  .contact-me h3 {
    font-size: 10px;
  }

  .about-me p,
  .contact-me p {
    font-size: 10px;
  }
}

/* ============================================
   Loading States and Skeletons
   ============================================ */

/* Loading Overlay */
.loading-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(11, 11, 11, 0.55);
  backdrop-filter: blur(1px);
  z-index: 100;
  border-radius: inherit;
}

body.light .loading-overlay {
  background: rgba(248, 250, 252, 0.5);
  backdrop-filter: blur(1px);
}

.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.loader-icon {
  width: 48px;
  height: 48px;
  animation: loader-spin 1.5s linear infinite;
  color: #9ca3af;
  display: block;
  filter: drop-shadow(0 0 2px rgba(156, 163, 175, 0.3));
}

body.light .loader-icon {
  color: #6b7280;
  filter: drop-shadow(0 0 2px rgba(107, 114, 128, 0.3));
}

.loader-circle {
  animation: loader-circle-spin 1.5s linear infinite;
  transform-origin: 24px 24px;
}

@keyframes loader-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes loader-circle-spin {
  from {
    stroke-dasharray: 0 125.6;
    stroke-dashoffset: 0;
  }
  50% {
    stroke-dasharray: 62.8 62.8;
    stroke-dashoffset: -31.4;
  }
  to {
    stroke-dasharray: 0 125.6;
    stroke-dashoffset: -125.6;
  }
}

.loading-message {
  font-size: 11px;
  color: #9ca3af;
  text-align: center;
  max-width: 200px;
}

body.light .loading-message {
  color: #6b7280;
}

/* Skeleton States */
.skeleton {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(31, 31, 31, 0.4) 0%,
    rgba(31, 31, 31, 0.6) 50%,
    rgba(31, 31, 31, 0.4) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: inherit;
  z-index: 10;
}

body.light .skeleton {
  background: linear-gradient(
    90deg,
    rgba(229, 231, 235, 0.4) 0%,
    rgba(229, 231, 235, 0.6) 50%,
    rgba(229, 231, 235, 0.4) 100%
  );
  background-size: 200% 100%;
}

@keyframes skeleton-shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

.skeleton-preview {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.skeleton-preview::before {
  content: "";
  width: 120px;
  height: 120px;
  border-radius: 8px;
  background: rgba(42, 42, 42, 0.5);
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
}

body.light .skeleton-preview::before {
  background: rgba(229, 231, 235, 0.5);
}

.skeleton-path-item {
  height: 40px;
  background: rgba(31, 31, 31, 0.6);
  border-radius: 0;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  margin-bottom: 6px;
}

body.light .skeleton-path-item {
  background: rgba(229, 231, 235, 0.6);
}

/* Progress Bar */
.progress-bar {
  width: 100%;
  height: 4px;
  background: rgba(42, 42, 42, 0.5);
  border-radius: 2px;
  overflow: hidden;
  margin: 12px 0;
}

body.light .progress-bar {
  background: rgba(229, 231, 235, 0.5);
}

.progress-bar-fill {
  height: 100%;
  background: #9ca3af;
  transition: width 0.3s ease;
  border-radius: 2px;
}

body.light .progress-bar-fill {
  background: #6b7280;
}

.progress-text {
  font-size: 10px;
  color: #9ca3af;
  text-align: center;
  margin-top: 4px;
}

body.light .progress-text {
  color: #6b7280;
}

/* Button Loading State */
.loading-button {
  position: relative;
  pointer-events: none;
  opacity: 0.7;
}

.button-loader {
  display: inline-flex;
  align-items: center;
  margin-right: 8px;
}

.button-loader-icon {
  width: 14px;
  height: 14px;
  animation: loader-spin 1s linear infinite;
  opacity: 0.8;
  display: block;
  color: currentColor;
}

/* Photo Trace Loading State */
.photo-trace-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 24px;
  min-height: 120px;
}

.photo-trace-loading .loader-icon {
  width: 32px;
  height: 32px;
}

.photo-trace-loading .loading-message {
  font-size: 11px;
}

/* Export Modal Loading */
.export-loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 24px 0;
}

.export-loading-container .loader-icon {
  width: 40px;
  height: 40px;
}