:root {
  color-scheme: dark;
  --bg: #111315;
  --panel: #1b1f22;
  --panel-2: #23282c;
  --text: #edf1f2;
  --muted: #aeb8ba;
  --line: #343b40;
  --accent: #6ec6b8;
  --accent-2: #f2b84b;
  --danger: #ff7a68;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  height: 100vh;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

.app {
  display: grid;
  grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
  gap: 16px;
  height: 100vh;
  padding: 16px;
  overflow: hidden;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.controls {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 20px;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.controls > * {
  flex-shrink: 0;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 28px;
  line-height: 1.1;
}

.web-edition-label {
  display: inline-block;
  margin-top: 4px;
  font-size: 18px;
  line-height: 1.2;
  color: var(--muted);
}

h2 {
  font-size: 16px;
}

p,
.drop-text,
.stats {
  color: var(--muted);
}

.brand p {
  margin-top: 8px;
  line-height: 1.55;
}

.dropzone {
  display: grid;
  gap: 6px;
  padding: 18px;
  border: 1px dashed #556168;
  border-radius: 8px;
  background: var(--panel-2);
  cursor: pointer;
}

.dropzone:hover,
.dropzone.drag {
  border-color: var(--accent);
}

.dropzone input {
  display: none;
}

.drop-title {
  font-weight: 700;
}

.drop-text {
  font-size: 13px;
}

.small-drop {
  padding: 12px;
}

.back-image-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 92px;
  gap: 8px;
  align-items: stretch;
}

.back-image-row button {
  background: var(--panel-2);
  border-color: var(--line);
  color: var(--text);
}

.grid {
  display: grid;
  gap: 14px;
}

.compact-row {
  display: grid;
  grid-template-columns: minmax(90px, 0.8fr) minmax(100px, 0.9fr) minmax(140px, 1.2fr);
  gap: 10px;
  align-items: end;
}

.compact-row-2 {
  grid-template-columns: minmax(78px, 0.75fr) minmax(78px, 0.75fr) minmax(132px, 1.2fr) 52px;
}

.compact-row label {
  min-width: 0;
}

.compact-row input[type="number"] {
  height: 34px;
}

.basic-panel {
  overflow: visible;
}

.basic-panel .grid {
  gap: 10px;
}

.basic-panel .compact-row {
  grid-template-columns: minmax(74px, 0.75fr) minmax(86px, 0.85fr) minmax(0, 1.2fr);
  gap: 8px;
}

.basic-panel .compact-row-2 {
  grid-template-columns: 78px 78px minmax(116px, 1fr) 38px;
}

.measure-row {
  display: grid;
  grid-template-columns: 1fr;
}

.measure-row output {
  min-height: 34px;
  display: flex;
  align-items: center;
  color: var(--muted);
  font-size: 12px;
}

.measure-row button.active {
  border-color: var(--accent);
  background: var(--accent);
  color: #08100f;
}

.basic-panel label {
  font-size: 12px;
}

.basic-panel input[type="number"],
.basic-panel select {
  height: 34px;
  padding: 0 9px;
}

.basic-panel .range-inline {
  grid-template-columns: minmax(0, 1fr) 24px;
}

.basic-panel .range-inline output {
  font-size: 11px;
}

.basic-panel .compact-row-2 label:last-child {
  text-align: center;
}

.basic-panel .compact-row-2 input[type="color"] {
  width: 38px;
  height: 34px;
  padding: 3px;
}

.range-inline {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 32px;
  gap: 6px;
  align-items: center;
}

.range-inline output {
  text-align: right;
  font-size: 12px;
}

.settings-panel {
  display: grid;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(18, 22, 25, 0.54);
}

.panel-title {
  color: var(--text);
  font-weight: 700;
}

.settings-group {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(18, 22, 25, 0.54);
}

.settings-group summary {
  min-height: 38px;
  display: flex;
  align-items: center;
  padding: 0 12px;
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
  user-select: none;
}

.settings-group[open] {
  padding-bottom: 12px;
}

.settings-group[open] summary {
  border-bottom: 1px solid var(--line);
  margin-bottom: 12px;
}

.settings-group .grid {
  padding: 0 12px;
}

.two-col {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.hidden {
  display: none !important;
}

.source-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #121619;
}

.source-tabs button {
  min-height: 34px;
  background: transparent;
  color: var(--muted);
}

.source-tabs button.active {
  background: var(--accent);
  color: #061412;
}

.text-panel {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 7px;
  font-size: 13px;
  color: var(--muted);
}

.check-row {
  display: flex;
  align-items: center;
  gap: 9px;
}

.check-row input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.color-row {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 8px;
}

.text-input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 64px;
  gap: 8px;
}

.text-style-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.text-style-row label {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.text-style-row input[type="number"] {
  height: 34px;
}

.text-style-row .range-inline,
.text-style-row .color-mode-row {
  min-width: 0;
}

.text-style-row .text-check-row {
  grid-template-columns: 74px minmax(0, 1fr);
}

.color-mode-row {
  display: grid;
  grid-template-columns: minmax(96px, 1fr) 38px 38px;
  gap: 6px;
  align-items: center;
}

.color-mode-row input[type="color"] {
  width: 38px;
}

.gradient-pad {
  position: relative;
  grid-column: 2;
  height: 58px;
  margin-top: 2px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background:
    linear-gradient(90deg, rgba(110, 198, 184, 0.16), rgba(242, 184, 75, 0.2)),
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    #121619;
  background-size: auto, 20px 20px, 20px 20px, auto;
  cursor: crosshair;
  touch-action: none;
}

.gradient-pad::before {
  content: "";
  position: absolute;
  inset: 50% 8px auto;
  border-top: 1px solid rgba(237, 241, 242, 0.28);
}

.gradient-pad::after {
  content: "";
  position: absolute;
  inset: 8px auto 8px 50%;
  border-left: 1px solid rgba(237, 241, 242, 0.28);
}

.gradient-pad-handle {
  position: absolute;
  left: 100%;
  top: 50%;
  z-index: 1;
  width: 14px;
  height: 14px;
  border: 2px solid #08100f;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 2px rgba(237, 241, 242, 0.9);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

input[type="color"] {
  width: 52px;
  height: 38px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #121619;
}

input[type="number"],
input[type="text"],
input[type="range"],
select,
textarea {
  width: 100%;
}

input[type="number"],
input[type="text"],
select,
textarea {
  height: 38px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #121619;
  color: var(--text);
}

textarea {
  min-height: 78px;
  padding: 10px;
  resize: vertical;
  line-height: 1.4;
}

select {
  appearance: none;
}

input[type="range"] {
  accent-color: var(--accent);
}

output {
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

button {
  min-height: 40px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: var(--accent);
  color: #061412;
  font-weight: 700;
  cursor: pointer;
}

button:nth-child(2) {
  background: var(--accent-2);
  color: #191103;
}

button:nth-child(3) {
  background: #8db5ff;
  color: #071226;
}

button:nth-child(4) {
  background: #d7dee0;
  color: #141719;
}

.source-tabs button,
.source-tabs button:nth-child(2),
.source-tabs button:nth-child(3),
.source-tabs button:nth-child(4) {
  background: transparent;
  color: var(--muted);
}

.source-tabs button.active {
  background: var(--accent);
  color: #061412;
}

.view-toggle button,
.view-toggle button:nth-child(2),
.view-toggle button:nth-child(3),
.view-toggle button:nth-child(4) {
  background: transparent;
  color: var(--muted);
}

.view-toggle button.active {
  background: var(--accent);
  color: #061412;
}

.color-row button {
  background: var(--panel-2);
  border-color: var(--line);
  color: var(--text);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.stats {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-top: 4px;
  font-size: 13px;
}

.stats div {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 8px;
}

dt,
dd {
  margin: 0;
}

dt {
  color: #d4dbdd;
}

.language-panel {
  margin-top: 12px;
}

.language-panel label {
  display: grid;
  grid-template-columns: auto minmax(120px, 180px);
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}

.language-panel select {
  min-height: 34px;
}

.preview {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
}

.preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.preview-tools {
  display: flex;
  align-items: center;
  gap: 12px;
}

.preview-actions {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  min-width: 0;
  flex-wrap: wrap;
}

.preview-actions button,
.preview-actions button:nth-child(2),
.preview-actions button:nth-child(3),
.preview-actions button:nth-child(4),
.preview-actions button:nth-child(5) {
  min-height: 32px;
  padding: 0 10px;
  border-color: var(--line);
  background: var(--panel-2);
  color: var(--text);
  font-size: 12px;
}

.preview-actions button:first-child {
  background: var(--accent);
  border-color: transparent;
  color: #061412;
}

.view-toggle {
  display: inline-grid;
  grid-template-columns: repeat(2, 54px);
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #121619;
}

.view-toggle button {
  min-height: 30px;
  border-radius: 4px;
  background: transparent;
  color: var(--muted);
}

.view-toggle button.active {
  background: var(--accent);
  color: #061412;
}

.legend {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.legend span {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  background: var(--accent);
}

.canvas-wrap {
  position: relative;
  min-height: 0;
  padding: 12px;
  overflow: hidden;
}

.mask-edit-toolbar {
  position: absolute;
  left: 22px;
  top: 22px;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  max-width: calc(100% - 44px);
  padding: 6px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  background: rgba(18, 22, 25, 0.86);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.24);
}

.mask-edit-toolbar button,
.mask-edit-toolbar button:nth-child(2),
.mask-edit-toolbar button:nth-child(3),
.mask-edit-toolbar button:nth-child(4),
.mask-edit-toolbar button:nth-child(5),
.mask-edit-toolbar button:nth-child(6) {
  min-height: 30px;
  padding: 0 9px;
  background: var(--panel-2);
  border-color: var(--line);
  color: var(--text);
  font-size: 12px;
}

.mask-edit-toolbar button.active {
  background: var(--accent);
  border-color: transparent;
  color: #061412;
}

.measure-overlay {
  position: absolute;
  inset: 12px;
  z-index: 4;
  pointer-events: none;
  border-radius: 6px;
  background: rgba(8, 11, 12, 0.18);
}

.measure-overlay-prompt {
  position: absolute;
  left: 50%;
  top: 14px;
  transform: translateX(-50%);
  max-width: calc(100% - 40px);
  padding: 7px 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  background: rgba(18, 22, 25, 0.9);
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.measure-panel {
  position: absolute;
  left: 50%;
  top: 58px;
  transform: translateX(-50%);
  pointer-events: auto;
  display: flex;
  align-items: end;
  gap: 8px;
  max-width: calc(100% - 40px);
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(18, 22, 25, 0.94);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.32);
}

.measure-panel label {
  display: grid;
  grid-template-columns: auto 76px 64px auto;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

.measure-panel input,
.measure-panel select {
  height: 32px;
}

.measure-panel button {
  min-height: 32px;
  padding: 0 12px;
}

.transparentize-overlay {
  position: absolute;
  inset: 12px;
  z-index: 4;
  pointer-events: none;
  border-radius: 6px;
  background: rgba(8, 11, 12, 0.18);
}

.transparentize-overlay-prompt {
  position: absolute;
  left: 50%;
  top: 14px;
  transform: translateX(-50%);
  max-width: calc(100% - 40px);
  padding: 7px 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  background: rgba(18, 22, 25, 0.9);
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.transparentize-panel {
  position: absolute;
  left: 50%;
  top: 58px;
  transform: translateX(-50%);
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: calc(100% - 40px);
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(18, 22, 25, 0.94);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.32);
}

.transparentize-panel label {
  display: grid;
  grid-template-columns: auto 140px 36px;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

.transparentize-panel button {
  min-height: 32px;
  padding: 0 12px;
}

.strap-hole-menu {
  position: absolute;
  z-index: 7;
  width: 210px;
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(18, 22, 25, 0.96);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.34);
}

.strap-hole-menu label {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

.strap-hole-menu input {
  min-width: 0;
}

.strap-hole-menu output {
  min-width: 44px;
  text-align: right;
  font-size: 12px;
}

.strap-hole-menu button,
.strap-hole-menu button:nth-child(2) {
  min-height: 32px;
  background: var(--panel-2);
  border-color: var(--line);
  color: var(--text);
}

.mask-edit-toolbar[hidden],
.measure-overlay[hidden],
.measure-panel[hidden],
.strap-hole-menu[hidden] {
  display: none !important;
}

.preview-canvas {
  width: 100%;
  height: 100%;
  min-height: 0;
  display: none;
  border-radius: 6px;
  background:
    linear-gradient(45deg, #20262a 25%, transparent 25%),
    linear-gradient(-45deg, #20262a 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #20262a 75%),
    linear-gradient(-45deg, transparent 75%, #20262a 75%),
    #161a1d;
  background-size: 24px 24px;
  background-position: 0 0, 0 12px, 12px -12px, -12px 0;
}

.preview-canvas.active {
  display: block;
  cursor: crosshair;
}

#preview3dCanvas {
  background: #121619;
  cursor: grab;
}

#preview3dCanvas:active {
  cursor: grabbing;
}

.preview-light-toggle {
  position: absolute;
  right: 22px;
  top: 22px;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  background: rgba(18, 22, 25, 0.86);
  color: var(--text);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.24);
}

.preview-light-toggle.active {
  background: var(--accent);
  color: #061412;
}

.gif-overlay {
  position: absolute;
  inset: 12px;
  z-index: 5;
  display: grid;
  align-items: start;
  justify-items: center;
  background: rgba(0, 0, 0, 0.38);
  overflow: hidden;
}

.gif-overlay[hidden] {
  display: none;
}

.gif-menu {
  width: min(360px, calc(100% - 28px));
  max-height: calc(100% - 24px);
  display: grid;
  gap: 12px;
  padding: 14px;
  overflow-y: auto;
  overscroll-behavior: contain;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  background: rgba(18, 22, 25, 0.96);
  color: var(--text);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.44);
}

.gif-menu-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.gif-menu-head button,
.gif-menu-head button:nth-child(2) {
  min-height: 30px;
  padding: 0 10px;
  border-color: var(--line);
  background: var(--panel-2);
  color: var(--text);
}

.gif-video-note {
  padding: 8px 10px;
  border: 1px solid rgba(91, 230, 206, 0.22);
  border-radius: 6px;
  background: rgba(91, 230, 206, 0.08);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.gif-menu > button {
  min-height: 36px;
}

.gif-status {
  min-height: 20px;
  color: var(--muted);
  font-size: 12px;
}

.gif-text-options {
  display: grid;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(8, 11, 13, 0.34);
}

.gif-section-title {
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
}

.gif-preview-image {
  width: 100%;
  max-height: 140px;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 6px;
  background:
    linear-gradient(45deg, #20262a 25%, transparent 25%),
    linear-gradient(-45deg, #20262a 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #20262a 75%),
    linear-gradient(-45deg, transparent 75%, #20262a 75%),
    #161a1d;
  background-size: 18px 18px;
  background-position: 0 0, 0 9px, 9px -9px, -9px 0;
}

.gif-menu-actions {
  position: sticky;
  bottom: -14px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin: 0 -14px -14px;
  padding: 10px 14px 14px;
  border-top: 1px solid var(--line);
  background: rgba(18, 22, 25, 0.98);
}

.gif-menu-actions button {
  min-height: 36px;
}

.gif-menu-actions button:nth-child(3) {
  background: var(--accent-2);
  color: #191103;
}

.preview-light-panel {
  position: absolute;
  right: 16px;
  bottom: 16px;
  z-index: 3;
  width: min(170px, calc(100% - 32px));
  display: grid;
  gap: 6px;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  background: rgba(18, 22, 25, 0.9);
  color: var(--text);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(8px);
}

.preview-light-panel label {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 36px;
  align-items: center;
  gap: 5px;
  font-size: 10px;
}

.preview-light-panel input[type="color"] {
  grid-column: 2 / 4;
  width: 100%;
  height: 28px;
}

.preview-light-panel input[type="number"] {
  width: 100%;
  min-width: 0;
  height: 28px;
}

.preview-light-panel output {
  font-size: 10px;
}

.preview-light-panel[hidden] {
  display: none;
}

@media (max-width: 860px) {
  body {
    overflow: auto;
  }

  .app {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 100vh;
    overflow: visible;
  }

  .controls {
    max-height: none;
    overflow: visible;
  }

  .two-col {
    grid-template-columns: 1fr;
  }

  .compact-row {
    grid-template-columns: 1fr;
  }

  .compact-row-2 {
    grid-template-columns: 1fr;
  }

  .basic-panel .compact-row,
  .basic-panel .compact-row-2 {
    grid-template-columns: 1fr;
  }


  .text-style-row {
    grid-template-columns: 1fr;
  }

  .text-style-row label {
    grid-template-columns: 74px minmax(0, 1fr);
  }

  .preview-head,
  .preview-tools {
    align-items: flex-start;
    flex-direction: column;
  }

  .preview-actions {
    width: 100%;
  }
}