:root {
  color: #1e3a28;
  background: #e3f1e6;
  --bg: #e3f1e6;
  --chrome: #d4e8d8;
  --panel: #eef6ec;
  --panel-warm: #e6f1e6;
  --surface: #ffffff;
  --surface-muted: #f0f6ef;
  --surface-cool: #e9f3ea;
  --line: #c2dcc6;
  --line-soft: #b0cfb4;
  --line-strong: #9bc1a0;
  --text: #1e3a28;
  --text-muted: #5a7a62;
  --accent: #E85A30;
  --accent-hover: #C94820;
  --accent-soft: rgba(232, 90, 48, 0.10);
  --gold: #a87d2e;
  --shadow-soft: 0 1px 2px rgba(30,60,40,0.06), 0 10px 26px rgba(30,60,40,0.05);
  --shadow-pop: 0 14px 38px rgba(30,60,40,0.12);
  --font-ui:
    "Geist", -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Segoe UI", sans-serif;
  --font-size-caption: 11px;
  --font-size-small: 12px;
  --font-size-body: 13px;
  --font-size-control: 14px;
  --font-size-title: 15px;
  --font-size-display: 20px;
  --line-tight: 1.12;
  --line-normal: 1.35;
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  font-family:
    var(--font-ui);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: var(--bg); color: var(--text);
}

.app-fallback {
  display: grid;
  place-content: center;
  gap: 12px;
  min-height: 100vh;
  padding: 32px;
  color: var(--text);
  text-align: center;
}

.app-fallback h1,
.app-fallback p {
  margin: 0;
}

.app-fallback pre {
  max-width: 680px;
  margin: 0;
  padding: 14px 16px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #ffffff;
  color: #9c2f28;
  text-align: left;
  white-space: pre-wrap;
}

.app-fallback button {
  justify-self: center;
  min-height: 34px;
  padding: 0 14px;
}

button,
input,
select {
  font: inherit;
}

body,
button,
input,
select {
  font-size: var(--font-size-control);
  line-height: var(--line-normal);
}

button {
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: var(--surface);
  color: #374151;
  cursor: pointer;
  font-weight: var(--weight-medium);
  min-height: 36px;
  padding: 0 12px;
  transition:
    background-color 120ms ease,
    border-color 120ms ease,
    box-shadow 120ms ease,
    color 120ms ease,
    transform 80ms ease;
}

button:hover:not(:disabled) {
  border-color: #9b8f80;
  background: #2a2218;
}

button:disabled {
  cursor: default;
  opacity: 0.45;
}

.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.primary:hover:not(:disabled) {
  border-color: var(--accent-hover);
  background: var(--accent-hover);
}

.hidden-input {
  display: none;
}

small {
  color: var(--text-muted);
  font-size: var(--font-size-small);
  line-height: var(--line-normal);
}

.field-hint {
  display: block;
  margin-top: 4px;
  color: var(--text-muted);
  font-size: var(--font-size-caption);
  line-height: 1.25;
}

input:focus-visible,
select:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(23, 101, 106, 0.22);
  outline-offset: 2px;
}

* {
  scrollbar-color: rgba(89, 95, 103, 0.38) transparent;
  scrollbar-width: thin;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-thumb {
  border: 3px solid transparent;
  border-radius: 999px;
  background: rgba(89, 95, 103, 0.34);
  background-clip: padding-box;
}

.app-shell {
  display: grid;
  grid-template-columns: 300px 84px minmax(0, 1fr) 360px;
  grid-template-rows: minmax(66px, auto) minmax(0, 1fr);
  width: 100vw;
  height: 100dvh;
  overflow: hidden;
}

.topbar {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 300px 84px minmax(0, 1fr) 360px;
  align-items: center;
  column-gap: 0;
  row-gap: 8px;
  min-width: 0;
  padding: 8px 12px;
  border-bottom: 1px solid var(--line-strong);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.62), rgba(255, 255, 255, 0.08)),
    var(--chrome);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.7) inset;
}

.brand-lockup {
  grid-column: 1;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  min-width: 0;
  padding: 0;
}

.brand-lockup strong,
.brand-lockup small {
  display: block;
  line-height: var(--line-tight);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand-lockup strong {
  font-size: var(--font-size-title);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-lockup small {
  margin-top: 3px;
  font-size: var(--font-size-small);
  color: var(--text-muted);
}

/* ===== 537 品牌标识（兔子 logo） ===== */
.logo-mark {
  display: block;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  object-fit: contain;
  background: transparent;
}

.topbar-params,
.topbar-actions {
  display: flex;
  align-items: center;
  min-width: 0;
}

.topbar-workspace {
  grid-column: 3;
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  min-width: 0;
  padding: 0;
}

.topbar-command-zone {
  display: flex;
  flex-wrap: nowrap;
  flex: 1 1 auto;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  min-width: 0;
  margin-left: 0;
}

.topbar-params {
  flex: 0 1 auto;
  gap: 6px;
  height: 38px;
  padding: 4px 5px 4px 9px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.72) inset;
}

.canvas-params {
  align-items: center;
}

.topbar-control-label {
  display: inline-flex;
  align-items: center;
  height: 30px;
  min-height: 30px;
  padding: 0 3px 0 0;
  border: 0;
  background: transparent;
  color: var(--accent);
  font-size: var(--font-size-body);
  font-weight: var(--weight-semibold);
  white-space: nowrap;
}

.topbar-dimension-group {
  display: grid;
  grid-template-columns: 56px 18px 56px;
  align-items: center;
  min-height: 30px;
  height: 30px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.topbar-dimension-group input {
  width: 56px;
  min-height: 28px;
  height: 28px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #1f2937;
  padding: 0 4px;
  font-variant-numeric: tabular-nums;
  font-weight: var(--weight-medium);
  text-align: center;
}

.topbar-dimension-group input + .size-times,
.topbar-dimension-group .size-times + input {
  border-left: 1px solid var(--line-soft);
}

.topbar-size-field {
  display: grid;
  grid-template-columns: auto 54px;
  align-items: center;
  min-height: 30px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.topbar-size-field span {
  padding: 0 8px;
  color: var(--accent);
  font-size: var(--font-size-body);
  font-weight: var(--weight-semibold);
  white-space: nowrap;
}

.topbar-size-field input {
  width: 54px;
  min-height: 28px;
  border: 0;
  border-left: 1px solid var(--line-soft);
  border-radius: 0;
  background: #ffffff;
  color: #1f2937;
  padding: 0 7px;
}

.topbar-size-input {
  width: 54px;
  min-height: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: #1f2937;
  padding: 0 7px;
}

.topbar-params > select {
  width: 104px;
  height: 30px;
  min-height: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: #1f2937;
  padding: 0 7px;
}

.canvas-preset-select {
  color: #6b7280;
  font-weight: var(--weight-medium);
}

.canvas-apply-button {
  height: 30px;
  min-height: 30px;
  padding-inline: 10px;
  border-color: rgba(23, 101, 106, 0.45);
  background: #1a1e1d;
  color: var(--accent);
  font-weight: var(--weight-semibold);
}

.canvas-apply-button:hover:not(:disabled) {
  border-color: var(--accent);
  background: #1a2a25;
}

.topbar-select-field {
  display: grid;
  grid-template-columns: auto 82px;
  align-items: center;
  min-height: 30px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.topbar-select-field span {
  padding: 0 7px;
  color: var(--text-muted);
  font-size: var(--font-size-body);
  font-weight: var(--weight-semibold);
  white-space: nowrap;
}

.topbar-select-field select {
  width: 82px;
  min-height: 28px;
  border: 0;
  border-left: 1px solid var(--line-soft);
  border-radius: 0;
  background: #ffffff;
  padding: 0 6px;
}

.color-input {
  width: 36px;
  height: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  padding: 3px;
}

.size-times {
  color: var(--text-muted);
  text-align: center;
}

.topbar button,
.topbar select {
  min-height: 30px;
}

.topbar button {
  border-radius: 8px;
  padding: 0 10px;
}

.topbar-actions {
  flex: 0 1 auto;
  flex-wrap: nowrap;
  gap: 4px;
  min-height: 38px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.72) inset;
}

.topbar-actions button {
  min-width: 0;
  padding-inline: 9px;
  white-space: nowrap;
  background: #ffffff;
}

.project-actions {
  gap: 5px;
  padding-inline: 5px;
  background: rgba(255, 255, 255, 0.72);
}

.project-action-button {
  min-width: 46px;
  height: 30px;
  min-height: 30px;
  padding-inline: 10px;
  border-color: rgba(190, 177, 154, 0.72);
  background: rgba(255, 255, 255, 0.92);
  color: #374151;
  font-weight: var(--weight-medium);
}

.project-action-button.primary-action {
  border-color: rgba(23, 101, 106, 0.4);
  color: var(--accent);
  font-weight: var(--weight-semibold);
}

.project-action-button.history-action {
  color: #53606a;
}

.project-action-button:disabled {
  border-color: rgba(190, 177, 154, 0.42);
  background: rgba(255, 255, 255, 0.48);
  color: rgba(83, 96, 106, 0.58);
  opacity: 1;
}

.project-action-divider {
  width: 1px;
  height: 18px;
  margin: 0 2px;
  background: rgba(190, 177, 154, 0.58);
}

.export-actions button {
  padding-inline: 8px;
}

.export-actions {
  gap: 5px;
  padding-inline: 5px;
  background: rgba(255, 255, 255, 0.72);
  overflow: visible;
}

.export-action-button {
  min-width: 86px;
  height: 30px;
  min-height: 30px;
  padding: 0 10px;
  border-color: rgba(190, 177, 154, 0.72);
  background: rgba(255, 255, 255, 0.92);
  color: #374151;
  font-size: var(--font-size-body);
  font-weight: var(--weight-semibold);
}

.export-action-button.primary-action {
  min-width: 112px;
  border-color: rgb(23, 101, 106);
  background: rgb(23, 101, 106);
  color: #ffffff;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.22) inset;
}

.export-action-button.primary-action:hover:not(:disabled) {
  border-color: #114f54;
  background: #114f54;
  color: #ffffff;
}

.print-export-menu {
  position: relative;
}

.print-export-menu::after {
  position: absolute;
  right: 0;
  top: 100%;
  width: 292px;
  height: 10px;
  content: '';
}

.print-export-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.print-export-button svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.print-export-popover {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 80;
  display: grid;
  gap: 10px;
  width: 292px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-pop);
}

.print-export-popover-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 2px;
}

.print-export-popover-header strong {
  font-size: var(--font-size-title);
  font-weight: var(--weight-semibold);
}

.print-export-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 30px;
  width: 30px;
  min-width: 30px;
  height: 30px;
  min-height: 30px;
  max-width: 30px;
  max-height: 30px;
  padding: 0;
  border-color: rgba(190, 177, 154, 0.62);
  border-radius: 10px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(250, 247, 239, 0.86));
  color: #6b7280;
  line-height: 0;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.86) inset,
    0 1px 2px rgba(43, 34, 22, 0.06);
}

.print-export-close svg {
  display: block;
  width: 18px;
  height: 18px;
  margin: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.35;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.print-export-close:hover:not(:disabled) {
  border-color: rgba(156, 47, 40, 0.32);
  background:
    linear-gradient(180deg, rgba(255, 250, 244, 0.98), rgba(255, 240, 238, 0.92));
  color: #9c2f28;
}

.export-text-field {
  display: grid;
  gap: 5px;
}

.export-text-field span,
.switch-row span {
  color: #6b7280;
  font-size: var(--font-size-body);
  font-weight: var(--weight-semibold);
}

.export-text-field input {
  width: 100%;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  padding: 0 9px;
}

.export-format-select {
  width: 100%;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: #1f2937;
  padding: 0 9px;
  font-weight: var(--weight-semibold);
}

.export-submit-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 36px;
  border-color: var(--accent);
  border-radius: 9px;
  background: var(--accent);
  color: #ffffff;
  font-weight: var(--weight-semibold);
}

.topbar .print-export-popover .export-submit-button {
  background: var(--accent);
  color: #ffffff;
}

.export-submit-button:hover:not(:disabled) {
  border-color: var(--accent-hover);
  background: var(--accent-hover);
  color: #ffffff;
}

.switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 32px;
}

.switch-row input {
  appearance: none;
  position: relative;
  width: 42px;
  height: 24px;
  border: 0;
  border-radius: 999px;
  background: #c2dcc6;
  cursor: pointer;
  transition: background-color 120ms ease;
}

.switch-row input::after {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 1px 3px rgba(17, 24, 39, 0.22);
  content: '';
  transition: transform 120ms ease;
}

.switch-row input:checked {
  background: var(--accent);
}

.switch-row input:checked::after {
  transform: translateX(18px);
}

.topbar-right {
  grid-column: 4;
  justify-self: end;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
  min-width: 0;
  overflow: visible;
}

.export-actions {
  flex: 0 0 auto;
  width: max-content;
}

.language-toggle {
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 36px);
  align-items: center;
  height: 38px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.75) inset;
}

.language-toggle button {
  min-width: 0;
  min-height: 28px;
  padding: 0;
  border-color: transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  font-size: var(--font-size-small);
  font-weight: var(--weight-bold);
}

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

@media (max-width: 1500px) {
  .topbar {
    grid-template-columns: minmax(178px, 230px) 72px minmax(0, 1fr) 360px;
    column-gap: 0;
    padding-inline: 10px;
  }

.brand-lockup {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 7px;
  }

  .brand-lockup > div {
    min-width: 0;
  }

  .brand-lockup strong {
    font-size: var(--font-size-body);
  }

  .brand-lockup small {
    font-size: var(--font-size-caption);
  }

  .logo-mark {
    width: 34px;
    height: 34px;
    border-radius: 8px;
  }

  .topbar-workspace,
  .topbar-command-zone {
    gap: 8px;
  }

  .topbar-params {
    height: 36px;
    padding: 3px 4px 3px 7px;
  }

  .topbar-dimension-group {
    grid-template-columns: 46px 14px 46px;
  }

  .topbar-dimension-group input {
    width: 46px;
  }

  .topbar-params > select {
    width: 90px;
  }

  .canvas-apply-button {
    padding-inline: 8px;
  }

  .project-action-button {
    min-width: 40px;
    padding-inline: 7px;
  }

  .export-action-button {
    min-width: 72px;
    padding-inline: 7px;
  }

  .export-action-button.primary-action {
    min-width: 100px;
  }

  .language-toggle {
    grid-template-columns: repeat(2, 34px);
  }
}

.left-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  min-height: 0;
  padding: 12px;
  overflow: auto;
  border-right: 1px solid var(--line-strong);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.34), rgba(255, 255, 255, 0)),
    var(--panel-warm);
}

.left-card {
  display: grid;
  gap: 12px;
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-soft);
}

.preview-card {
  flex: 0 0 auto;
}

.image-card {
  flex: 0 0 auto;
  align-content: start;
}

.reference-card {
  flex: 0 0 auto;
  gap: 10px;
}

.reference-card .left-card-header span {
  white-space: normal;
}

.reference-switch {
  min-height: 32px;
  padding: 6px 9px;
  border: 1px solid rgba(190, 177, 154, 0.7);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.64);
}

.reference-switch input {
  width: 36px;
  height: 20px;
}

.reference-switch input::after {
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
}

.reference-switch input:checked::after {
  transform: translateX(16px);
}

.reference-switch span {
  color: #6b7280;
  font-size: var(--font-size-body);
  font-weight: var(--weight-semibold);
}

.reference-opacity-field {
  display: grid;
  gap: 6px;
  color: #6b7280;
  font-size: var(--font-size-small);
  font-weight: var(--weight-semibold);
}

.reference-opacity-field input[type='range'] {
  min-height: 24px;
  padding: 0;
  border: 0;
  background: transparent;
  accent-color: var(--accent);
}

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

.reference-adjust-row .reference-switch {
  margin: 0;
}

.reference-reset-button {
  min-height: 34px;
  padding: 0 10px;
  border-color: rgba(190, 177, 154, 0.78);
  background: rgba(255, 255, 255, 0.74);
  color: #6b7280;
  font-size: var(--font-size-small);
  font-weight: var(--weight-semibold);
}

.reference-reset-button:hover:not(:disabled) {
  border-color: rgba(23, 101, 106, 0.42);
  color: var(--accent);
}

.reference-control-grid {
  display: grid;
  gap: 8px;
}

.reference-control-grid .stacked-field {
  gap: 5px;
}

.reference-placement-toggle {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: rgba(250, 247, 239, 0.8);
}

.reference-placement-toggle button {
  min-height: 30px;
  min-width: 0;
  padding: 0 8px;
  border-color: transparent;
  background: transparent;
  color: #6b7280;
  font-size: var(--font-size-small);
  font-weight: var(--weight-semibold);
}

.reference-placement-toggle button:hover:not(:disabled) {
  background: rgba(23, 101, 106, 0.08);
  color: var(--accent);
}

.reference-placement-toggle button.active {
  background: var(--accent);
  color: #fff;
}

.reference-card input:disabled,
.reference-card select:disabled,
.reference-card button:disabled {
  cursor: default;
  opacity: 0.55;
}

.reference-upload-zone {
  min-height: 58px;
}

.left-card-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: start;
}

.left-card-header div {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.left-card-header strong,
.left-card-header span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.left-card-header strong {
  color: #1f2937;
  font-size: var(--font-size-title);
  font-weight: var(--weight-semibold);
  line-height: var(--line-tight);
}

.left-card-header strong.field-label-with-help {
  display: flex;
  align-items: center;
  gap: 5px;
}

.left-card-header strong.field-label-with-help .help-dot {
  flex: 0 0 auto;
}

.left-card-header span,
.left-card-header small {
  color: var(--text-muted);
  font-size: var(--font-size-small);
}

.reference-card .left-card-header span {
  white-space: normal;
}

.three-preview {
  position: relative;
  height: clamp(160px, 22dvh, 210px);
  min-height: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 72%, rgba(255, 248, 225, 0.07), transparent 46%),
    linear-gradient(180deg, #171817 0%, #242422 62%, #2b2926 100%);
}

.three-preview canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
  touch-action: none;
}

.three-preview canvas:active {
  cursor: grabbing;
}

.three-preview-empty {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 10px;
  padding: 18px;
  color: rgba(247, 242, 232, 0.72);
  text-align: center;
  pointer-events: none;
}

.three-preview-empty-icon {
  display: grid;
  grid-template-columns: repeat(2, 12px);
  gap: 5px;
  opacity: 0.72;
}

.three-preview-empty-icon span {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: rgba(247, 242, 232, 0.22);
  box-shadow: inset 0 0 0 1px rgba(247, 242, 232, 0.2);
}

.three-preview-empty-icon span:nth-child(2) {
  background: rgba(23, 101, 106, 0.5);
}

.three-preview-empty-icon span:nth-child(3) {
  background: rgba(255, 205, 79, 0.52);
}

.three-preview-empty p {
  max-width: 140px;
  margin: 0;
  font-size: var(--font-size-small);
  line-height: var(--line-normal);
}

.preview-expand-button {
  position: absolute;
  right: 8px;
  bottom: 8px;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 34px;
  min-width: 34px;
  height: 34px;
  min-height: 34px;
  padding: 0;
  border-color: rgba(17, 24, 39, 0.16);
  border-radius: 8px;
  background: rgba(255, 253, 247, 0.9);
  color: var(--accent);
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 14px rgba(39, 31, 20, 0.12);
}

.preview-expand-button svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.three-preview-modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 28px;
  background: rgba(22, 24, 29, 0.48);
  backdrop-filter: blur(14px);
}

.three-preview-modal-panel {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  width: min(1120px, calc(100vw - 56px));
  height: min(780px, calc(100vh - 56px));
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 14px;
  background:
    radial-gradient(circle at 50% 72%, rgba(255, 248, 225, 0.07), transparent 46%),
    linear-gradient(180deg, #171817 0%, #242422 62%, #2b2926 100%);
  box-shadow: var(--shadow-pop);
}

.three-preview-modal-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(9, 12, 18, 0.9);
  color: #f7f2e8;
}

.three-preview-modal-bar strong {
  font-size: var(--font-size-title);
  font-weight: var(--weight-semibold);
}

.three-preview-modal-bar button {
  min-height: 32px;
}

.three-preview-modal-stage {
  position: relative;
  min-width: 0;
  min-height: 0;
}

.three-preview-modal-stage canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
  touch-action: none;
}

.three-preview-modal-stage canvas:active {
  cursor: grabbing;
}

.upload-zone {
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(0, auto);
  justify-content: center;
  gap: 10px;
  align-content: center;
  align-items: center;
  min-height: 72px;
  width: 100%;
  border-style: dashed;
  border-color: #94b6b5;
  background: var(--surface-cool);
  color: var(--accent);
  text-align: center;
}

.upload-zone.has-image {
  grid-template-columns: 42px minmax(0, 1fr);
  justify-content: stretch;
  text-align: left;
}

.upload-zone img {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  object-fit: cover;
  border: 1px solid rgba(17, 24, 39, 0.14);
  border-radius: 7px;
  background: #ffffff;
}

.upload-zone strong,
.upload-zone span {
  min-width: 0;
}

.upload-zone-text {
  display: grid;
  min-width: 0;
  gap: 3px;
  justify-items: center;
}

.upload-zone.has-image .upload-zone-text {
  justify-items: start;
}

.upload-zone strong,
.upload-zone-text > span {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.upload-zone.has-image strong,
.upload-zone.has-image .upload-zone-text > span {
  display: block;
}

.upload-zone.is-generating {
  position: relative;
  overflow: hidden;
  border-color: rgba(23, 101, 106, 0.38);
  background:
    linear-gradient(90deg, transparent, rgba(23, 101, 106, 0.08), transparent),
    var(--surface-cool);
  background-size: 220% 100%;
  animation: uploadGenerating 1.1s ease-in-out infinite;
}

.upload-zone.is-generating::after {
  position: absolute;
  inset: auto 10px 9px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(23, 101, 106, 0.15), rgba(23, 101, 106, 0.72), rgba(23, 101, 106, 0.15));
  content: '';
}

@keyframes uploadGenerating {
  from {
    background-position: 120% 0;
  }
  to {
    background-position: -120% 0;
  }
}

.upload-zone strong {
  font-size: var(--font-size-control);
  font-weight: var(--weight-semibold);
  line-height: var(--line-tight);
}

.upload-zone span {
  color: #5c7170;
  font-size: var(--font-size-small);
}

.field-label-with-help {
  display: flex;
  align-items: center;
  gap: 5px;
}

.help-dot {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 16px;
  height: 16px;
  border: 1px solid rgba(23, 101, 106, 0.32);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  cursor: default;
  outline: none;
}

.help-dot::after {
  position: absolute;
  left: calc(100% + 9px);
  top: 50%;
  z-index: 20;
  width: 176px;
  padding: 7px 9px;
  border: 1px solid rgba(17, 24, 39, 0.12);
  border-radius: 8px;
  background: rgba(255, 252, 245, 0.98);
  box-shadow: 0 10px 24px rgba(44, 35, 20, 0.14);
  color: var(--text);
  content: attr(data-tooltip);
  font-size: 12px;
  font-weight: var(--weight-regular);
  line-height: 1.45;
  opacity: 0;
  pointer-events: none;
  text-align: left;
  transform: translate(-4px, -50%);
  transition: opacity 0.12s ease, transform 0.12s ease;
}

.help-dot::before {
  position: absolute;
  left: calc(100% + 5px);
  top: 50%;
  z-index: 21;
  width: 8px;
  height: 8px;
  border-left: 1px solid rgba(17, 24, 39, 0.12);
  border-bottom: 1px solid rgba(17, 24, 39, 0.12);
  background: rgba(255, 252, 245, 0.98);
  content: '';
  opacity: 0;
  pointer-events: none;
  transform: translate(-4px, -50%) rotate(45deg);
  transition: opacity 0.12s ease, transform 0.12s ease;
}

.help-dot:hover::after,
.help-dot:hover::before,
.help-dot:focus-visible::after,
.help-dot:focus-visible::before {
  opacity: 1;
  transform: translate(0, -50%);
}

.help-dot:focus-visible {
  box-shadow: 0 0 0 3px rgba(23, 101, 106, 0.12);
}

.help-dot.mini {
  width: 14px;
  height: 14px;
  font-size: 10px;
}

.help-dot.mini::after {
  width: 190px;
}

.image-card .image-help-dot::after,
.image-card .image-help-dot::before {
  display: none;
}

.floating-help-tooltip {
  position: fixed;
  z-index: 1000;
  width: 172px;
  max-width: calc(100vw - 24px);
  padding: 7px 9px;
  border: 1px solid rgba(17, 24, 39, 0.12);
  border-radius: 8px;
  background: rgba(255, 252, 245, 0.98);
  box-shadow: 0 10px 24px rgba(44, 35, 20, 0.14);
  color: var(--text);
  font-size: 12px;
  font-weight: var(--weight-regular);
  line-height: 1.45;
  overflow-wrap: break-word;
  pointer-events: none;
  text-align: left;
  transform: translateY(-50%);
}

.floating-help-tooltip::before {
  position: absolute;
  left: -5px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-left: 1px solid rgba(17, 24, 39, 0.12);
  border-bottom: 1px solid rgba(17, 24, 39, 0.12);
  background: rgba(255, 252, 245, 0.98);
  content: '';
  transform: translateY(-50%) rotate(45deg);
}

.image-field-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.image-field-grid label,
.stacked-field {
  display: grid;
  gap: 6px;
  color: #6b7280;
  font-size: var(--font-size-small);
  font-weight: var(--weight-semibold);
}

.image-field-grid input,
.image-field-grid select,
.stacked-field input,
.stacked-field select {
  width: 100%;
  min-height: 34px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: #e6f1e6;
  color: #1f2937;
  padding: 0 8px;
}

.image-field-grid input[type='range'] {
  min-height: 24px;
  padding: 0;
  border: 0;
  background: transparent;
  accent-color: var(--accent);
}

.color-input.wide {
  width: 100%;
  height: 34px;
  padding: 4px;
}

.tool-rail {
  position: relative;
  z-index: 4;
  display: grid;
  align-content: start;
  gap: 7px;
  padding: 10px 6px;
  border-right: 1px solid var(--line-strong);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.28), rgba(255, 255, 255, 0)),
    #e8deca;
}

.right-click-toggle {
  display: grid;
  gap: 5px;
  width: 100%;
  margin-bottom: 0;
  padding: 6px;
  border: 1px solid rgba(190, 177, 154, 0.75);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.58);
}

.right-click-toggle > span {
  justify-content: center;
  color: var(--text-muted);
  font-size: var(--font-size-small);
  font-weight: var(--weight-semibold);
  line-height: 1;
  text-align: center;
}

.right-click-toggle div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3px;
}

.right-click-toggle button {
  min-height: 26px;
  min-width: 0;
  padding: 0;
  border-color: transparent;
  border-radius: 7px;
  background: transparent;
  color: #3f4b52;
  font-size: var(--font-size-small);
  font-weight: var(--weight-semibold);
}

.image-field-grid .image-number-field {
  grid-template-columns: minmax(0, 1fr) 96px;
  align-items: center;
}

.image-range-field > span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.image-range-field strong {
  color: var(--text);
  font-size: var(--font-size-small);
  font-weight: var(--weight-semibold);
}

.right-click-toggle button:hover:not(:disabled) {
  border-color: rgba(23, 101, 106, 0.18);
  background: rgba(255, 255, 255, 0.72);
  color: var(--accent);
}

.right-click-toggle button.active {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.right-click-toggle button.active:hover:not(:disabled) {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.right-click-toggle.compact {
  padding: 0;
  border: 0;
  background: transparent;
}

.right-click-toggle.remove-scope-toggle {
  gap: 8px;
}

.right-click-toggle.remove-scope-toggle > span {
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(190, 177, 154, 0.48);
  color: #6d7880;
}

.right-click-toggle.remove-scope-toggle div {
  grid-template-columns: 1fr;
  gap: 6px;
}

.right-click-toggle.remove-scope-toggle button {
  min-height: 30px;
  padding: 0 12px;
  border: 1px solid rgba(190, 177, 154, 0.62);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.48);
  justify-content: center;
}

.right-click-toggle.remove-scope-toggle button.active {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 6px 14px rgba(23, 101, 106, 0.16);
}

.tool-button {
  position: relative;
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 4px;
  width: 72px;
  height: 58px;
  padding: 6px 7px;
  border-color: transparent;
  background: transparent;
  color: #6b7280;
  box-shadow: none;
  transition:
    background-color 70ms ease,
    border-color 70ms ease,
    color 70ms ease,
    box-shadow 70ms ease,
    transform 45ms ease;
}

.tool-button::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 50%;
  width: 4px;
  height: 24px;
  border-radius: 999px;
  background: transparent;
  transform: translateY(-50%);
}

.tool-button:hover:not(:disabled) {
  border-color: var(--line-strong);
  background: #e9f3ea;
}

.tool-button:active {
  transform: translateY(1px) scale(0.98);
}

.tool-button svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.tool-button span {
  max-width: 100%;
  overflow: hidden;
  font-size: var(--font-size-small);
  font-weight: var(--weight-semibold);
  line-height: var(--line-tight);
  text-align: center;
  white-space: nowrap;
}

.tool-button.active,
.segmented button.active {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.tool-button.active {
  box-shadow:
    0 0 0 1px rgba(23, 94, 100, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.tool-button.active::before {
  background: var(--gold);
}

.tool-button.active:hover {
  border-color: var(--accent);
  background: var(--accent);
}

.tool-button:focus-visible {
  outline: 3px solid rgba(23, 94, 100, 0.28);
  outline-offset: 2px;
}

.tool-options {
  position: absolute;
  left: calc(100% + 8px);
  top: 75px;
  z-index: 8;
  display: grid;
  gap: 8px;
  width: 148px;
  margin-top: 0;
  padding: 9px;
  border: 1px solid rgba(190, 177, 154, 0.82);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 12px 28px rgba(43, 34, 22, 0.12);
}

.pencil-options {
  top: 10px;
}

.eraser-options {
  top: 75px;
}

.remove-options {
  top: 205px;
}

.move-options {
  top: 400px;
}

.copy-options {
  top: 465px;
}

.paste-options {
  top: 530px;
}

.mirror-options {
  top: 595px;
}

.shape-options {
  top: 660px;
  width: 184px;
  gap: 8px;
  padding: 9px;
}

.text-options {
  top: 725px;
  width: 184px;
}

.tool-options-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 24px;
  width: 24px;
  min-width: 24px;
  height: 24px;
  min-height: 24px;
  padding: 0;
  border-color: rgba(190, 177, 154, 0.62);
  border-radius: 8px;
  color: #6b7280;
}

.tool-options-close svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pan-options {
  top: 790px;
  width: 168px;
}

.tool-options::before {
  position: absolute;
  left: -5px;
  top: 24px;
  width: 9px;
  height: 9px;
  border-left: 1px solid rgba(190, 177, 154, 0.82);
  border-bottom: 1px solid rgba(190, 177, 154, 0.82);
  background: rgba(255, 255, 255, 0.96);
  content: '';
  transform: rotate(45deg);
}

.tool-options-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  color: var(--text);
  font-size: var(--font-size-small);
  font-weight: var(--weight-semibold);
}

.tool-options-header strong {
  color: var(--text);
  font-size: var(--font-size-body);
  font-weight: var(--weight-semibold);
}

.brush-preview {
  display: grid;
  place-items: center;
  height: 38px;
  border: 1px solid rgba(200, 189, 174, 0.72);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.48);
}

.brush-preview span {
  display: block;
  border: 1.5px dashed rgba(17, 24, 39, 0.64);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.5);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.75) inset;
}

.brush-preview .brush-preview-dot {
  width: 3px;
  height: 3px;
  border: 0;
  background: #1f2937;
  box-shadow: none;
}

.tool-options input[type='range'] {
  width: 100%;
  accent-color: var(--accent);
}

.tool-hint {
  margin: 0;
  padding: 7px 8px;
  border: 1px solid rgba(23, 101, 106, 0.16);
  border-radius: 8px;
  background: rgba(240, 250, 249, 0.5);
  color: #52646b;
  font-size: var(--font-size-tiny);
  font-weight: var(--weight-regular);
  line-height: var(--line-snug);
}

.clipboard-options {
  width: 150px;
  gap: 8px;
}

.clipboard-tool-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--text);
}

.clipboard-tool-header > div {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.clipboard-tool-header strong {
  font-size: var(--font-size-small);
  font-weight: var(--weight-semibold);
}

.clipboard-tool-header span {
  overflow: hidden;
  color: var(--text-muted);
  font-size: var(--font-size-tiny);
  white-space: nowrap;
  text-overflow: ellipsis;
}

.clipboard-reset-button {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 26px;
  height: 26px;
  min-height: 0;
  padding: 0;
  border-radius: 8px;
  color: var(--accent);
}

.clipboard-reset-button svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.clipboard-reset-button:disabled {
  color: rgba(54, 64, 68, 0.35);
  cursor: default;
}

.clipboard-preview {
  display: grid;
  justify-content: center;
  align-content: center;
  min-height: 68px;
  max-height: 92px;
  padding: 7px;
  overflow: hidden;
  border: 1px solid rgba(200, 189, 174, 0.72);
  border-radius: 8px;
  background:
    linear-gradient(45deg, rgba(214, 211, 204, 0.28) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(214, 211, 204, 0.28) 25%, transparent 25%),
    #ffffff;
  background-size: 10px 10px;
}

.clipboard-preview span {
  border-radius: 999px;
  box-shadow: 0 0 0 0.5px rgba(17, 24, 39, 0.08);
}

.clipboard-empty {
  min-height: 54px;
  display: grid;
  place-items: center;
  padding: 8px;
  border: 1px dashed rgba(23, 101, 106, 0.34);
  border-radius: 8px;
  background: rgba(240, 250, 249, 0.44);
  color: var(--text-muted);
  font-size: var(--font-size-small);
  line-height: var(--line-snug);
  text-align: center;
}

.clipboard-mode-toggle {
  gap: 6px;
}

.clipboard-mode-toggle > div {
  gap: 5px;
}

.clipboard-mode-toggle button {
  min-height: 30px;
}

.compact-hint {
  padding: 6px 7px;
  font-size: var(--font-size-tiny);
}

.text-tool-field {
  display: grid;
  gap: 6px;
  color: var(--text);
  font-size: var(--font-size-small);
  font-weight: var(--weight-semibold);
}

.text-tool-field span {
  color: var(--text-muted);
  text-align: center;
}

.text-tool-field .text-field-title {
  position: relative;
  display: grid;
  align-items: center;
  justify-content: center;
  min-height: 24px;
  color: var(--text-muted);
  font-size: var(--font-size-small);
  font-weight: var(--weight-semibold);
}

.text-field-title .tool-options-close {
  position: absolute;
  right: 0;
}

.text-tool-field input {
  width: 100%;
  height: 34px;
  padding: 0 9px;
  border: 1px solid rgba(190, 177, 154, 0.82);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
  font-size: var(--font-size-body);
  font-weight: var(--weight-semibold);
}

.tool-number-field {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  color: var(--text);
  font-size: var(--font-size-small);
  font-weight: var(--weight-semibold);
}

.tool-number-field input {
  width: 40px;
  height: 24px;
  padding: 0 4px;
  border: 1px solid rgba(190, 177, 154, 0.62);
  border-radius: 7px;
  background: #ffffff;
  color: var(--text);
  font: inherit;
  text-align: right;
}

.shape-picker {
  display: grid;
  gap: 8px;
  padding-top: 0;
}

.shape-picker > span {
  justify-self: center;
  color: var(--text-muted);
  font-size: var(--font-size-small);
  font-weight: var(--weight-semibold);
  line-height: var(--line-tight);
}

.shape-picker > div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.shape-picker.arrow-picker > div {
  grid-template-columns: 1fr;
}

.shape-picker button {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  align-items: center;
  gap: 5px;
  min-height: 34px;
  padding: 6px 7px;
  border: 1px solid rgba(190, 177, 154, 0.82);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
  font-size: var(--font-size-small);
  font-weight: var(--weight-semibold);
  text-align: center;
  line-height: var(--line-tight);
}

.shape-picker button span {
  min-width: 0;
  text-align: center;
}

.shape-picker button:hover {
  border-color: rgba(23, 101, 106, 0.38);
  background: #f6fbf8;
}

.shape-picker button.active {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.shape-picker button:disabled,
.shape-picker button:disabled:hover,
.right-click-toggle button:disabled,
.right-click-toggle button:disabled:hover {
  border-color: rgba(190, 177, 154, 0.45);
  background: rgba(255, 255, 255, 0.58);
  color: rgba(54, 64, 68, 0.45);
  cursor: default;
}

.shape-picker svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.shape-options .right-click-toggle.compact {
  gap: 5px;
  padding-bottom: 0;
  border-bottom: 1px solid rgba(218, 209, 194, 0.72);
}

.shape-options .right-click-toggle > span {
  justify-content: center;
  color: var(--text-muted);
  font-size: var(--font-size-small);
  font-weight: var(--weight-semibold);
}

.shape-options .right-click-toggle > div {
  gap: 5px;
}

.shape-options .right-click-toggle button {
  min-height: 32px;
  font-size: var(--font-size-small);
  font-weight: var(--weight-semibold);
}

.shape-picker.arrow-picker {
  padding-top: 2px;
  border-top: 1px solid rgba(218, 209, 194, 0.72);
}

.shape-picker.arrow-picker button {
  min-height: 32px;
}

.workspace {
  position: relative;
  min-width: 0;
  min-height: 0;
  background: linear-gradient(180deg, #eaf6ec, #d9ecdd);
}

.canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

.canvas[data-tool='pencil'] {
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='28' viewBox='0 0 28 28'%3E%3Cpath fill='white' stroke='%23111827' stroke-width='1.5' d='M5 22l1.4-5.4L18.8 4.2a2 2 0 0 1 2.8 0l2.2 2.2a2 2 0 0 1 0 2.8L11.4 21.6z'/%3E%3Cpath fill='%23E85A30' d='M6.4 16.6 11.4 21.6 5 23z'/%3E%3C/svg%3E") 5 22, crosshair;
}

.canvas[data-tool='eraser'] {
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='28' viewBox='0 0 28 28'%3E%3Cpath fill='white' stroke='%23111827' stroke-width='1.5' d='M5.2 16.5 14.7 7a2.4 2.4 0 0 1 3.4 0l4 4a2.4 2.4 0 0 1 0 3.4l-6.8 6.8H9.9l-4.7-4.7z'/%3E%3Cpath stroke='%23E85A30' stroke-width='1.6' d='M10.2 11.5l6.3 6.3M9.8 21.2h13'/%3E%3C/svg%3E") 7 20, cell;
}

.canvas[data-tool='fill'] {
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='28' viewBox='0 0 28 28'%3E%3Cpath fill='white' stroke='%23111827' stroke-width='1.5' d='M6 14.5 14.5 6l7.5 7.5-7 7a2.3 2.3 0 0 1-3.3 0L6 14.8z'/%3E%3Cpath stroke='%23E85A30' stroke-width='1.6' d='m10 10-3-3'/%3E%3Cpath fill='%23E85A30' d='M21.2 19c1.1 1.5 1.7 2.6 1.7 3.3a2.2 2.2 0 0 1-4.4 0c0-.7.6-1.8 1.7-3.3a.6.6 0 0 1 1 0z'/%3E%3C/svg%3E") 7 18, copy;
}

.canvas[data-tool='remove'] {
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='28' viewBox='0 0 28 28'%3E%3Cpath fill='white' stroke='%23111827' stroke-width='1.5' d='M6 14.5 14.5 6l7.5 7.5-7 7a2.3 2.3 0 0 1-3.3 0L6 14.8z'/%3E%3Cpath stroke='%23E85A30' stroke-width='1.6' d='m10 10-3-3'/%3E%3Cpath stroke='%23c24132' stroke-width='2' stroke-linecap='round' d='m19 19 4 4m0-4-4 4'/%3E%3C/svg%3E") 7 18, not-allowed;
}

.canvas[data-tool='eyedropper'] {
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='28' viewBox='0 0 28 28'%3E%3Cpath fill='white' stroke='%23111827' stroke-width='1.5' d='m17.8 4.2 6 6-4.1 4.1-1.9-1.9-9.3 9.3H5.2v-3.3l9.3-9.3-1.5-1.5z'/%3E%3Cpath stroke='%23E85A30' stroke-width='1.6' d='M5 24h8'/%3E%3C/svg%3E") 6 22, crosshair;
}

.canvas[data-tool='move'] {
  cursor: move;
}

.canvas.is-moving {
  cursor: move;
}

.canvas[data-tool='copy'] {
  cursor: copy;
}

.canvas[data-tool='paste'] {
  cursor: copy;
}

.canvas[data-tool='mirror'] {
  cursor: ew-resize;
}

.canvas[data-tool='shape'] {
  cursor: crosshair;
}

.canvas[data-tool='text'] {
  cursor: text;
}

.canvas[data-tool='pan'],
.canvas.can-pan,
.canvas.is-reference-adjusting {
  cursor: grab;
}

.canvas.is-panning,
.canvas.is-reference-adjusting:active {
  cursor: grabbing;
}

.reference-adjust-hint {
  position: absolute;
  top: 14px;
  left: 50%;
  z-index: 3;
  padding: 7px 12px;
  border: 1px solid rgba(23, 101, 106, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 10px 28px rgba(17, 24, 39, 0.08);
  color: var(--accent);
  font-size: var(--font-size-small);
  font-weight: var(--weight-semibold);
  pointer-events: none;
  transform: translateX(-50%);
}

.zoom-chip {
  position: absolute;
  right: 14px;
  bottom: 14px;
  padding: 6px 10px;
  border: 1px solid rgba(17, 24, 39, 0.12);
  border-radius: 999px;
  background: rgba(255, 253, 247, 0.9);
  color: #6b7280;
  font-size: var(--font-size-small);
}

.right-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 0;
  min-width: 0;
  padding: 12px;
  overflow: auto;
  overscroll-behavior: contain;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.34), rgba(255, 255, 255, 0)),
    var(--panel);
}

.right-panel {
  border-left: 1px solid var(--line-strong);
}

.right-tabs {
  display: grid;
  flex: 0 0 auto;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.right-tabs button {
  min-width: 0;
  min-height: 34px;
  padding: 0 8px;
  font-size: var(--font-size-body);
  font-weight: var(--weight-semibold);
}

.right-tabs button.active {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.panel-section {
  display: grid;
  align-content: start;
  gap: 12px;
  min-width: 0;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.panel-tab-body {
  min-height: 0;
  min-width: 0;
}

.palette-section {
  display: flex;
  flex: 0 0 auto;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
}

.palette-section .palette-grid {
  flex: 0 0 auto;
  max-height: clamp(250px, 36dvh, 398px);
  min-height: 0;
}

.layers-section,
.usage-section,
.adjustment-section {
  flex: 0 0 auto;
}

.right-panel:has(.layers-section),
.right-panel:has(.usage-section) {
  overflow: hidden;
}

.layers-section,
.usage-section {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.panel-section h2 {
  margin: 0;
  font-size: var(--font-size-title);
  font-weight: var(--weight-semibold);
  line-height: var(--line-tight);
}

.panel-section label {
  display: grid;
  gap: 6px;
  color: #6b7280;
  font-size: var(--font-size-body);
}

.panel-section input,
.panel-section select {
  width: 100%;
  min-height: 34px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--surface);
  color: #1f2937;
  padding: 0 8px;
}

.status-section {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
}

.status-section div {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.status-section strong,
.status-section span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status-pill {
  padding: 5px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: var(--font-size-small);
  font-weight: var(--weight-medium);
}

.board-chip {
  position: absolute;
  left: 14px;
  top: 14px;
  padding: 7px 10px;
  border: 1px solid rgba(17, 24, 39, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  color: #6b7280;
  font-size: var(--font-size-body);
  font-weight: var(--weight-semibold);
}

.canvas-lock-hint {
  position: absolute;
  left: 50%;
  top: 14px;
  transform: translateX(-50%);
  align-self: start;
  justify-self: center;
  z-index: 5;
  padding: 7px 12px;
  border: 1px solid rgba(17, 24, 39, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-soft);
  color: #6b7280;
  font-size: var(--font-size-body);
  font-weight: var(--weight-medium);
  pointer-events: none;
}

.zoom-controls {
  position: absolute;
  right: 14px;
  bottom: 14px;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid rgba(17, 24, 39, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-soft);
}

.zoom-controls button {
  min-width: 34px;
  min-height: 30px;
  border-radius: 999px;
  padding: 0 9px;
}

.zoom-controls span {
  min-width: 46px;
  color: #6b7280;
  font-size: var(--font-size-small);
  font-weight: var(--weight-semibold);
  text-align: center;
}

.zoom-chip {
  display: none;
}

.palette-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(56px, 1fr));
  gap: 8px;
  align-content: start;
  min-height: 0;
  overflow: auto;
  padding: 2px 2px 8px;
}

.swatch {
  display: grid;
  grid-template-rows: 34px auto;
  gap: 4px;
  min-height: 58px;
  padding: 5px;
  border-color: rgba(17, 24, 39, 0.2);
  background: var(--surface);
}

.swatch.active {
  border-color: var(--accent);
  box-shadow:
    inset 0 0 0 2px rgba(23, 101, 106, 0.95),
    0 0 0 1px rgba(23, 101, 106, 0.12);
}

.swatch span {
  display: block;
  width: 100%;
  height: 34px;
  border: 1px solid rgba(17, 24, 39, 0.18);
  border-radius: 5px;
}

.swatch small {
  color: #1f2937;
  font-size: var(--font-size-caption);
  font-weight: var(--weight-semibold);
  line-height: var(--line-tight);
  text-align: center;
}

.palette-selected-card {
  justify-self: stretch;
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  width: 100%;
  min-height: 66px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.palette-selected-card > span {
  width: 62px;
  height: 46px;
  border: 1px solid rgba(17, 24, 39, 0.18);
  border-radius: 7px;
}

.palette-selected-main {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.palette-selected-hex {
  justify-self: end;
  display: inline-grid;
  min-width: 88px;
  padding: 5px 8px;
  border: 1px solid rgba(199, 185, 160, 0.58);
  border-radius: 7px;
  background: rgba(250, 247, 239, 0.72);
  text-align: center;
}

.palette-selected-card strong {
  font-size: var(--font-size-title);
  font-weight: var(--weight-semibold);
  line-height: var(--line-tight);
}

.palette-selected-card small {
  overflow: hidden;
  font-size: var(--font-size-caption);
  line-height: 1.15;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.palette-selected-hex small {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: var(--font-size-small);
  font-weight: var(--weight-semibold);
}

.readonly-brand-field {
  display: grid;
  gap: 6px;
  color: var(--text-muted);
  font-size: var(--font-size-small);
}

.readonly-brand-field select {
  width: 100%;
}

.recent-colors-field {
  display: grid;
  gap: 6px;
  color: var(--text-muted);
  font-size: var(--font-size-small);
  font-weight: var(--weight-semibold);
}

.recent-color-row {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 6px;
}

.recent-color-row button {
  display: grid;
  grid-template-rows: 26px auto;
  gap: 3px;
  min-width: 0;
  min-height: 48px;
  padding: 4px;
  border-color: var(--line);
  border-radius: 7px;
  background: rgba(255, 254, 249, 0.82);
  color: var(--text);
}

.recent-color-row button:hover:not(:disabled) {
  border-color: rgba(23, 101, 106, 0.34);
  background: #eef6ec;
}

.recent-color-row button.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(23, 101, 106, 0.16);
}

.recent-color-row button > span {
  display: block;
  width: 100%;
  height: 26px;
  border: 1px solid rgba(17, 24, 39, 0.16);
  border-radius: 5px;
}

.recent-color-row small {
  overflow: hidden;
  color: #1f2937;
  font-size: var(--font-size-caption);
  font-weight: var(--weight-semibold);
  line-height: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.palette-filter {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(48px, 1fr));
  gap: 6px;
}

.palette-filter button {
  min-width: 0;
  min-height: 30px;
  padding: 0 5px;
  font-size: var(--font-size-small);
  font-weight: var(--weight-semibold);
}

.palette-filter button.active {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.segmented button {
  min-width: 0;
  padding: 0 6px;
}

.checkline {
  display: flex !important;
  flex-direction: row;
  gap: 8px !important;
  align-items: center;
}

.checkline input {
  width: 16px;
  min-height: 16px;
}

.view-section {
  gap: 10px;
}

.view-toggle-grid {
  display: grid;
  gap: 8px;
}

.view-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.view-shape-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 38px;
  padding: 5px 6px 5px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 252, 246, 0.72);
}

.view-shape-toggle > span {
  color: #6b7280;
  font-size: var(--font-size-body);
  font-weight: var(--weight-semibold);
  white-space: nowrap;
}

.view-shape-toggle > div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3px;
  width: min(198px, 70%);
  padding: 2px;
  border: 1px solid rgba(199, 185, 160, 0.58);
  border-radius: 999px;
  background: rgba(250, 247, 239, 0.9);
}

.view-shape-toggle button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  min-width: 0;
  min-height: 26px;
  padding: 0 9px;
  border-color: transparent;
  border-radius: 999px;
  background: transparent;
  color: #6b7280;
  font-size: var(--font-size-body);
  font-weight: var(--weight-semibold);
  line-height: 1;
}

.view-shape-toggle button:hover:not(:disabled) {
  border-color: transparent;
  background: rgba(23, 101, 106, 0.08);
  color: var(--accent);
}

.view-shape-toggle button.active {
  border-color: transparent;
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 1px 3px rgba(17, 24, 39, 0.12);
}

.shape-choice-icon {
  width: 12px;
  height: 12px;
  flex: 0 0 auto;
  border: 1.7px solid currentColor;
}

.shape-choice-icon-round {
  border-radius: 999px;
}

.shape-choice-icon-square {
  border-radius: 3px;
}

.view-toggle-grid .checkline {
  min-width: 0;
  min-height: 34px;
  padding: 0 9px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  font-size: var(--font-size-body);
  font-weight: var(--weight-semibold);
  white-space: nowrap;
}

@media (max-width: 1320px) {
  .right-panel {
    gap: 10px;
    padding: 10px;
  }

  .palette-selected-card {
    grid-template-columns: 52px minmax(0, 1fr) auto;
    gap: 8px;
    width: 100%;
    min-height: 58px;
    padding: 6px 8px;
  }

  .palette-selected-card > span {
    width: 52px;
    height: 38px;
  }

  .palette-selected-hex {
    min-width: 76px;
    padding: 4px 6px;
  }

  .palette-selected-card strong {
    font-size: var(--font-size-title);
  }

  .palette-filter {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .palette-grid {
    grid-template-columns: repeat(auto-fill, minmax(46px, 1fr));
    gap: 6px;
  }

  .recent-color-row {
    grid-template-columns: repeat(7, minmax(0, 1fr));
  }

  .swatch {
    grid-template-rows: 30px auto;
    min-height: 52px;
    padding: 4px;
  }

  .swatch span {
    height: 30px;
  }

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

  .view-toggle-grid .checkline {
    min-height: 32px;
  }
}

.estimate {
  display: grid;
  gap: 6px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: #6b7280;
  font-size: var(--font-size-body);
}

.auto-generate-note {
  color: var(--accent);
  font-weight: var(--weight-medium);
}

.full {
  width: 100%;
}

.usage-overview {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
}

.usage-overview div {
  display: grid;
  gap: 3px;
  min-height: 54px;
  padding: 8px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 254, 249, 0.82);
}

.usage-overview span {
  color: var(--text-muted);
  font-size: var(--font-size-caption);
  line-height: 1.15;
}

.usage-overview strong {
  color: var(--text);
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
}

.usage-pack-setting {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px;
  padding: 0 2px 3px;
  border: 0;
  background: transparent;
}

.usage-pack-setting span {
  color: var(--text);
  font-size: var(--font-size-body);
  font-weight: var(--weight-semibold);
}

.usage-pack-setting span {
  color: var(--text);
  font-size: var(--font-size-body);
  font-weight: var(--weight-semibold);
}

.usage-pack-setting small {
  color: var(--text-muted);
  font-size: var(--font-size-caption);
  white-space: nowrap;
}

.usage-pack-control {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}

.usage-pack-stepper {
  display: grid;
  grid-template-columns: 24px 62px 24px;
  align-items: center;
  overflow: hidden;
  border: 1px solid rgba(190, 177, 154, 0.62);
  border-radius: 7px;
  background: rgba(255, 254, 249, 0.72);
}

.usage-pack-stepper button {
  min-width: 0;
  min-height: 24px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--accent);
  font-size: var(--font-size-body);
  font-weight: var(--weight-semibold);
}

.usage-pack-stepper button:hover:not(:disabled) {
  background: var(--accent-soft);
}

.usage-pack-stepper input {
  width: 62px;
  min-height: 24px;
  padding: 0 4px;
  border: 0;
  border-left: 1px solid rgba(190, 177, 154, 0.36);
  border-right: 1px solid rgba(190, 177, 154, 0.36);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.58);
  color: var(--text);
  font-variant-numeric: tabular-nums;
  text-align: center;
  font-weight: var(--weight-semibold);
}

.usage-pack-stepper input::-webkit-outer-spin-button,
.usage-pack-stepper input::-webkit-inner-spin-button {
  margin: 0;
  appearance: none;
}

.usage-summary-card {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 254, 249, 0.72);
  color: #6b7280;
}

.usage-summary-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.usage-summary-head strong {
  color: var(--text);
  font-size: var(--font-size-body);
  font-weight: var(--weight-semibold);
}

.usage-summary-head span {
  color: var(--text-muted);
  font-size: var(--font-size-caption);
}

.usage-layer-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  max-height: 62px;
  overflow: auto;
}

.usage-layer-chips button {
  cursor: pointer;
  max-width: 100%;
  min-height: 24px;
  padding: 3px 8px;
  border: 1px solid rgba(190, 177, 154, 0.68);
  border-radius: 999px;
  background: #ffffff;
  color: var(--text);
  font-size: var(--font-size-caption);
  font-weight: var(--weight-semibold);
  line-height: 1.2;
}

.usage-layer-chips button:hover:not(:disabled) {
  border-color: rgba(23, 101, 106, 0.34);
  background: rgba(240, 250, 249, 0.72);
  color: var(--accent);
}

.usage-layer-chips button.active {
  border-color: rgba(23, 101, 106, 0.72);
  background: rgba(231, 248, 246, 0.94);
  color: var(--accent);
}

.usage-layer-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.usage-layer-actions button {
  min-height: 30px;
  padding: 0 8px;
  border-color: rgba(190, 177, 154, 0.72);
  background: rgba(255, 255, 255, 0.64);
  font-size: var(--font-size-small);
  font-weight: var(--weight-semibold);
}

.usage-layer-actions button:hover:not(:disabled) {
  border-color: rgba(23, 101, 106, 0.32);
  background: rgba(240, 250, 249, 0.72);
  color: var(--accent);
}

.usage-layer-actions button.active {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.usage-no-layers {
  color: var(--text-muted);
  font-size: var(--font-size-small);
}

.usage-notes {
  display: grid;
  gap: 3px;
  color: var(--text-muted);
  font-size: var(--font-size-small);
}

.usage-note-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.usage-note-line > span {
  min-width: 0;
}

.usage-note-eye {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 24px;
  min-width: 24px;
  min-height: 24px;
  padding: 0;
  border-color: rgba(190, 177, 154, 0.72);
  background: #ffffff;
  color: var(--text-muted);
}

.usage-note-eye svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.usage-note-eye.active {
  border-color: rgba(214, 66, 47, 0.42);
  background: #fceeee;
  color: #b93a32;
}

.usage-list {
  display: grid;
  flex: 1 1 auto;
  gap: 6px;
  align-content: start;
  grid-auto-rows: max-content;
  min-height: 0;
  padding-right: 3px;
  overflow: auto;
  overscroll-behavior: contain;
}

.usage-list button {
  cursor: default;
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  min-height: 50px;
  padding: 8px 10px;
  border-color: var(--line);
  background: rgba(255, 254, 249, 0.82);
  text-align: left;
}

.usage-list button:hover:not(:disabled) {
  border-color: rgba(23, 101, 106, 0.32);
  background: #eef6ec;
}

.usage-color-info {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.usage-color-info strong,
.usage-color-info small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.usage-color-info strong {
  color: var(--text);
  font-size: var(--font-size-control);
  font-weight: 700;
  line-height: 1.1;
}

.usage-color-info small {
  color: var(--text-muted);
  font-size: var(--font-size-caption);
}

.usage-chip {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  border: 1px solid rgba(17, 24, 39, 0.2);
}

.usage-count {
  display: grid;
  gap: 2px;
  min-width: 44px;
  text-align: right;
}

.usage-count strong {
  color: var(--text);
  font-size: var(--font-size-title);
  font-weight: 700;
  line-height: 1.1;
}

.usage-count small {
  color: var(--text-muted);
  font-size: var(--font-size-caption);
}

.usage-empty {
  padding: 18px 10px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--text-muted);
  text-align: center;
}

.adjustment-section {
  gap: 12px;
}

.adjustment-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.adjustment-header h2 {
  min-width: 0;
}

.adjustment-help {
  color: var(--text-muted);
  font-size: var(--font-size-small);
}

.adjustment-header span {
  max-width: 54%;
  padding: 3px 8px;
  border: 1px solid rgba(190, 177, 154, 0.62);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--text-muted);
  font-size: var(--font-size-small);
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.adjustment-help {
  padding: 9px 10px;
  border: 1px solid rgba(190, 177, 154, 0.62);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  line-height: var(--line-normal);
}

.adjustment-range {
  display: grid;
  gap: 7px;
}

.adjustment-range > span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: #6b7280;
  font-size: var(--font-size-body);
  font-weight: var(--weight-semibold);
}

.adjustment-range strong {
  color: var(--text);
  font-size: var(--font-size-small);
  font-weight: var(--weight-semibold);
}

.adjustment-range input[type='range'] {
  min-height: 24px;
  padding: 0;
  border: 0;
  background: transparent;
  accent-color: var(--accent);
}

.adjustment-actions {
  display: grid;
  gap: 8px;
}

.adjustment-actions button {
  min-height: 34px;
  font-size: var(--font-size-body);
  font-weight: var(--weight-semibold);
}

.adjustment-effect-card {
  display: grid;
  gap: 8px;
  padding: 9px 10px;
  border: 1px solid rgba(190, 177, 154, 0.62);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.adjustment-effect-card strong {
  color: var(--text);
  font-size: var(--font-size-body);
  font-weight: var(--weight-semibold);
}

.adjustment-effect-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.adjustment-effect-grid button {
  min-height: 30px;
  padding: 0 6px;
  font-size: var(--font-size-body);
  font-weight: var(--weight-semibold);
}

.adjustment-tool-card {
  display: grid;
  gap: 7px;
  padding: 9px 10px;
  border: 1px solid rgba(190, 177, 154, 0.62);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.adjustment-tool-card strong {
  color: var(--text);
  font-size: var(--font-size-body);
  font-weight: var(--weight-semibold);
}

.adjustment-tool-card span {
  color: var(--text-muted);
  font-size: var(--font-size-small);
  line-height: 1.25;
}

.adjustment-tool-card button {
  min-height: 30px;
  font-size: var(--font-size-body);
  font-weight: var(--weight-semibold);
}

.adjustment-tool-card input[type='range'] {
  min-height: 20px;
  padding: 0;
  border: 0;
  background: transparent;
  accent-color: var(--accent);
}

.adjustment-tool-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 10px;
}

.adjustment-tool-heading b {
  flex: 0 0 auto;
  min-width: 28px;
  color: var(--text);
  font-size: var(--font-size-body);
  font-weight: var(--weight-semibold);
  text-align: right;
}

.usage-section {
  min-height: 0;
}

.layers-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.layers-header button {
  min-height: 30px;
}

.layer-solo-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  width: 100%;
  min-height: 34px;
  margin: -2px 0 8px;
  border-color: rgba(190, 177, 154, 0.72);
  background: rgba(255, 254, 249, 0.7);
  color: var(--text-muted);
  font-size: var(--font-size-body);
  font-weight: var(--weight-semibold);
}

.layer-solo-toggle svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.layer-solo-toggle.active {
  border-color: rgba(23, 101, 106, 0.52);
  background: var(--accent-soft);
  color: var(--accent);
}

.layer-solo-toggle:hover:not(:disabled) {
  border-color: rgba(23, 101, 106, 0.42);
  color: var(--accent);
}

.layer-list {
  display: grid;
  flex: 1 1 auto;
  gap: 7px;
  align-content: start;
  grid-auto-rows: max-content;
  min-height: 0;
  padding-right: 3px;
  overflow: auto;
  overscroll-behavior: contain;
}

.layer-row {
  position: relative;
  display: grid;
  grid-template-columns: 16px 30px minmax(0, 1fr) auto;
  column-gap: 8px;
  align-items: center;
  min-height: 76px;
  padding: 9px 9px 9px 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 254, 249, 0.72);
  transition:
    border-color 150ms ease,
    background-color 150ms ease,
    box-shadow 150ms ease,
    opacity 150ms ease,
    transform 150ms ease;
}

.layer-row.active {
  border-color: var(--accent);
  background: rgba(247, 253, 252, 0.92);
  box-shadow: inset 3px 0 0 var(--accent);
}

.layer-row:hover {
  border-color: rgba(23, 101, 106, 0.28);
  background: #eef6ec;
}

.layer-row.dragging {
  opacity: 0.52;
}

.layer-row.drag-over-before,
.layer-row.drag-over-after {
  border-color: var(--accent);
  background: rgba(227, 240, 239, 0.58);
  box-shadow: 0 0 0 2px rgba(23, 101, 106, 0.08);
}

.layer-row.drag-over-before::before,
.layer-row.drag-over-after::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  height: 3px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(23, 101, 106, 0.12);
}

.layer-row.drag-over-before::before {
  top: -6px;
}

.layer-row.drag-over-after::after {
  bottom: -6px;
}

.layer-drag-handle {
  align-self: stretch;
  display: grid;
  place-items: center;
  width: 16px;
  min-width: 16px;
  min-height: 54px;
  padding: 0;
  border-color: transparent;
  background: transparent;
  color: var(--text-muted);
  cursor: grab;
}

.layer-drag-handle:active {
  cursor: grabbing;
}

.layer-drag-handle:hover:not(:disabled) {
  border-color: transparent;
  background: transparent;
  color: var(--accent);
}

.layer-drag-handle svg {
  width: 13px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.8;
  stroke-linecap: round;
}

.layer-main {
  display: grid;
  gap: 3px;
  min-width: 0;
  min-height: 0;
  padding: 0;
  border: 0;
  background: transparent;
  text-align: left;
}

.layer-main-static {
  cursor: pointer;
}

.layer-main:hover:not(:disabled) {
  background: transparent;
}

.layer-title-row {
  display: flex;
  align-items: center;
  min-width: 0;
}

.layer-main strong,
.layer-main > span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.layer-main strong {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--text);
  font-size: 13.5px;
  font-weight: 650;
  line-height: 1.2;
}

.layer-main strong > span {
  min-width: 0;
  color: var(--text);
  font-size: 13.5px;
  font-weight: 650;
  letter-spacing: 0;
}

.layer-rename-button {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 21px;
  min-width: 21px;
  min-height: 21px;
  padding: 0;
  border-color: transparent;
  background: transparent;
  color: var(--text-muted);
}

.layer-rename-button:hover:not(:disabled) {
  border-color: transparent;
  background: transparent;
  color: var(--accent);
}

.layer-rename-button svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.layer-main span {
  color: var(--text-muted);
  font-size: 11.5px;
  line-height: 1.25;
}

.layer-name-editor input {
  width: 100%;
  min-height: 28px;
  padding: 0 7px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: #ffffff;
  color: var(--text);
  font-size: var(--font-size-body);
  font-weight: var(--weight-semibold);
}

.layer-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.layer-count {
  display: inline-flex !important;
  gap: 4px !important;
  align-items: center;
  width: fit-content;
  margin-top: 0;
  color: rgba(41, 55, 69, 0.72);
  font-size: 10.5px;
  line-height: 1.2;
}

.layer-count input {
  width: 11px;
  min-height: 11px;
  accent-color: var(--accent);
}

.mini-toggle {
  min-width: 0;
  min-height: 32px;
  padding: 0 9px;
  font-size: var(--font-size-body);
}

.mini-icon-toggle {
  display: grid;
  place-items: center;
  width: 30px;
  min-width: 30px;
  min-height: 30px;
  padding: 0;
  border-color: rgba(190, 177, 154, 0.78);
  background: rgba(255, 254, 249, 0.82);
}

.mini-icon-toggle svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.mini-toggle.active,
.mini-icon-toggle.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.visibility-toggle {
  align-self: center;
  width: 28px;
  min-width: 28px;
  min-height: 28px;
  border-radius: 7px;
  color: var(--text-muted);
}

.visibility-toggle.active {
  border-color: rgba(23, 101, 106, 0.32);
  background: rgba(227, 240, 239, 0.72);
  color: var(--accent);
}

.mini-icon-toggle.danger {
  color: #b93a32;
}

.mini-icon-toggle.danger:not(:disabled):hover {
  border-color: #c95d52;
  background: #fceeee;
  color: #9c2f28;
}

.hover-section {
  color: #6b7280;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 82px minmax(0, 1fr);
    grid-template-rows: auto auto minmax(360px, 1fr) auto;
    height: auto;
    min-height: 100vh;
    overflow: visible;
  }

  .topbar {
    grid-column: 1 / -1;
    grid-template-columns: minmax(220px, 1fr);
    row-gap: 8px;
    overflow-x: auto;
  }

  .topbar-workspace {
    grid-column: 1;
    justify-content: flex-start;
    padding: 0;
  }

  .topbar-params,
  .topbar-actions {
    justify-self: start;
  }

  .topbar-right {
    grid-column: 1;
    justify-content: flex-start;
    padding: 0 10px;
  }

  .brand-lockup {
    min-width: 220px;
  }

  .left-panel {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-right: 0;
    border-bottom: 1px solid var(--line-strong);
  }

  .preview-card,
  .image-card {
    flex: initial;
  }

  .tool-rail {
    border-right: 1px solid var(--line-strong);
  }

  .tool-button {
    width: 70px;
  }

  .workspace {
    min-height: 420px;
  }

  .right-panel {
    grid-column: 1 / -1;
    border-left: 0;
    border-top: 1px solid var(--line-strong);
  }
}

/* ===== 3D Voxel Workspace ===== */
.voxel-workspace {
  background: #e3f1e6; color: #1e3a28;
  position: fixed;
  inset: 56px 0 0 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 320px 1fr;
  grid-template-rows: auto 1fr;
  grid-template-areas: "header header" "sidebar main";
  background: #d4e8d8;
  color: #374151;
}
.voxel-header {
  grid-area: header;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 16px;
  background: #e6f1e6;
  border-bottom: 1px solid #e3e6ea;
}
.voxel-header strong { font-size: 16px; }
.voxel-sub { color: #5a7a62; font-size: 13px; }
.voxel-back { padding: 6px 12px; border: 1px solid #b0cfb4; border-radius: 6px; background: #f3f4f6; cursor: pointer; }
.voxel-sidebar {
  grid-area: sidebar;
  padding: 16px;
  overflow-y: auto;
  background: #e6f1e6;
  border-right: 1px solid #e3e6ea;
}
.voxel-field { margin-bottom: 16px; display: flex; flex-direction: column; gap: 6px; }
.voxel-field label { font-size: 13px; font-weight: 600; color: #6b7280; }
.voxel-field small { color: #5a7a62; font-size: 11px; line-height: 1.4; }
.voxel-generate { margin-top: 4px; padding: 10px; background: #E85A30; color: #fff; border: none; border-radius: 8px; font-weight: 600; cursor: pointer; }
.voxel-generate:disabled { opacity: 0.55; cursor: not-allowed; }
.voxel-generate.secondary { background: #16a34a; }
.voxel-status { font-size: 12px; color: #475569; margin-top: 10px; line-height: 1.5; }
.voxel-tabs { display: flex; gap: 8px; margin-bottom: 6px; }
.voxel-tab { padding: 8px 16px; border: 1px solid #d1d5db; background: #e6f1e6; border-radius: 8px; cursor: pointer; font-size: 13px; font-weight: 600; color: #6b7280; }
.voxel-tab.active { background: #E85A30; color: #fff; border-color: #E85A30; }
.voxel-tab .badge { margin-left: 6px; padding: 1px 6px; background: rgba(255,255,255,0.25); border-radius: 10px; font-size: 11px; }
.voxel-summary { margin-top: 14px; border-top: 1px dashed #e3e6ea; padding-top: 12px; display: grid; gap: 8px; }
.voxel-summary div { display: flex; justify-content: space-between; font-size: 13px; }
.voxel-summary span { color: #5a7a62; }
.voxel-main { grid-area: main; overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 18px; }
.voxel-row { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin: 2px 0; }
.voxel-row span { font-size: 12px; color: #5a7a62; }
.voxel-row input[type="number"] { width: 64px; padding: 4px 6px; border: 1px solid #d1d5db; border-radius: 6px; font-size: 13px; }
.voxel-empty { color: #5a7a62; text-align: center; margin-top: 80px; }
.voxel-preview-row { display: flex; gap: 14px; flex-wrap: wrap; }
.voxel-3d { flex: 1; min-width: 300px; height: 420px; background: #eef1f5; border-radius: 10px; overflow: hidden; cursor: grab; }
.voxel-ref { width: 180px; display: flex; flex-direction: column; gap: 6px; }
.voxel-ref span { font-size: 12px; color: #5a7a62; }
.voxel-ref img { width: 100%; border-radius: 8px; border: 1px solid #b0cfb4; }
.voxel-card { background: #e6f1e6; border: 1px solid #b0cfb4; border-radius: 10px; padding: 16px; }
.voxel-card h3 { margin: 0 0 12px; font-size: 15px; }
.voxel-note, .voxel-disclaimer { color: #5a7a62; font-size: 12px; margin-top: 10px; }
.voxel-breakdown { display: flex; gap: 16px; flex-wrap: wrap; }
.voxel-breakdown svg { background: #fbfbfb; border: 1px solid #eee; border-radius: 6px; }
.voxel-components { width: 100%; border-collapse: collapse; margin-top: 12px; font-size: 13px; }
.voxel-components th, .voxel-components td { border: 1px solid #e5e7eb; padding: 6px 8px; text-align: center; }
.voxel-components th { background: #f3f4f6; }
.voxel-layer-controls { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 12px; }
.voxel-layer-controls label { font-size: 13px; display: flex; align-items: center; gap: 8px; }
.voxel-checkbox { gap: 6px; }
.voxel-layer-controls button { padding: 6px 12px; border: 1px solid #b0cfb4; border-radius: 6px; background: #f3f4f6; cursor: pointer; }
.voxel-layers { display: flex; flex-direction: column; gap: 10px; overflow-x: auto; }
.voxel-layer-item { background: #fbfbfb; border: 1px solid #eee; border-radius: 6px; padding: 6px; }
.layer-svg, .breakdown-svg { display: block; }
.voxel-assembly { margin: 0; padding-left: 20px; line-height: 1.7; font-size: 13px; }
.palette-grid { display: flex; flex-direction: column; gap: 4px; }
.palette-row { display: grid; grid-template-columns: 28px 22px 48px 1fr 56px 48px 120px; align-items: center; gap: 8px; font-size: 12px; padding: 3px 4px; border-bottom: 1px solid #f0f1f3; }
.palette-seq { width: 22px; height: 22px; border-radius: 50%; background: #E85A30; color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 12px; }
.palette-row .swatch { width: 22px; height: 22px; border-radius: 4px; border: 1px solid #ddd; }
.palette-code { font-family: monospace; font-weight: 600; }
.palette-count { text-align: right; }
.palette-pct { text-align: right; color: #5a7a62; }
.palette-bar { height: 8px; background: #eef0f3; border-radius: 4px; overflow: hidden; }
.palette-bar span { display: block; height: 100%; }

/* --------------------------------------------------------------------------
   装配蓝图浮层（iframe 打印 / 另存为 PDF）
   -------------------------------------------------------------------------- */
.blueprint-overlay { position: fixed; inset: 0; z-index: 80; background: #374151; display: flex; flex-direction: column; }
.blueprint-bar { display: flex; align-items: center; gap: 12px; padding: 8px 14px; background: #2b3140; color: #e8eaf0; }
.blueprint-bar strong { font-size: 15px; }
.blueprint-bar .muted { color: #9aa3b2; font-size: 12px; }
.blueprint-bar .spacer { flex: 1; }
.blueprint-bar button { padding: 6px 14px; border-radius: 6px; border: 1px solid #4b5468; background: #3a4252; cursor: pointer; font-size: 13px; color: #e8eaf0; }
.blueprint-bar button:hover { background: #455068; }
.blueprint-frame { flex: 1; width: 100%; border: 0; background: #e6f1e6; }

/* --------------------------------------------------------------------------
   3D real-time layer editor (mirrors the 2D workspace)
   -------------------------------------------------------------------------- */
.voxel-editor {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 240px 1fr 240px;
  grid-template-rows: auto 1fr;
  grid-template-areas: "header header header" "left main right";
  background: #d4e8d8;
  color: #374151;
}
.voxel-editor-header {
  grid-area: header;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 16px;
  background: #e6f1e6;
  border-bottom: 1px solid #e3e6ea;
}
.voxel-editor-header strong { font-size: 16px; }
.voxel-editor-title { display: flex; flex-direction: column; align-items: center; margin: 0 auto; }
.voxel-editor-title strong { font-size: 17px; }
.voxel-editor-sub { color: #5a7a62; font-size: 12px; }
.voxel-editor-layer-num { color: #E85A30; font-size: 18px; font-weight: 700; font-style: normal; padding: 0 3px; }
.voxel-editor-hint { color: #E85A30; font-size: 11px; background: #FDEBE5; padding: 2px 8px; border-radius: 10px; margin-top: 2px; }
.voxel-editor-actions { display: flex; gap: 8px; }
.voxel-editor-header .voxel-back { background: #e6f1e6; border-color: #E85A30; color: #E85A30; font-weight: 600; }
.voxel-editor-actions button { padding: 6px 12px; border: 1px solid #b0cfb4; border-radius: 6px; background: #f3f4f6; cursor: pointer; font-size: 13px; }
.voxel-editor-left {
  grid-area: left;
  padding: 14px;
  overflow-y: auto;
  background: #e6f1e6;
  border-right: 1px solid #e3e6ea;
}
.voxel-editor-right {
  grid-area: right;
  padding: 14px;
  overflow-y: auto;
  background: #e6f1e6;
  border-left: 1px solid #e3e6ea;
}
.voxel-editor-main {
  grid-area: main;
  position: relative;
  overflow: hidden;
  background: #e3f1e6;
}
.voxel-editor-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  cursor: crosshair;
  touch-action: none;
}
.voxel-editor-canvas.panning { cursor: grab; }
.voxel-editor-canvas:active.panning { cursor: grabbing; }
.voxel-editor-panel {
  background: #e6f1e6;
  border: 1px solid #b0cfb4;
  border-radius: 10px;
  padding: 12px;
  margin-bottom: 14px;
}
.voxel-editor-panel h4 {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 700;
  color: #6b7280;
}
.voxel-editor-tools {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 10px;
}
.voxel-editor-tools button {
  padding: 8px 6px;
  border: 1px solid #b0cfb4;
  border-radius: 6px;
  background: #f3f4f6;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
}
.voxel-editor-tools button.active,
.voxel-editor-layers button.active {
  background: #E85A30;
  color: #fff;
  border-color: #E85A30;
  box-shadow: 0 0 0 2px #bfd0fc;
}
.voxel-editor-layers button.active .voxel-layer-thumb {
  border-color: #fff;
  box-shadow: 0 0 0 1px #fff;
}
.voxel-editor-toggles {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.voxel-editor-toggles label { font-size: 12px; color: #6b7280; }
.voxel-editor-layers {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 320px;
  overflow-y: auto;
}
.voxel-editor-layers button {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 8px;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  background: #e6f1e6;
  cursor: pointer;
  font-size: 13px;
  text-align: left;
}
.voxel-editor-layers button span { font-weight: 600; min-width: 28px; }
.voxel-editor-layers button small { color: #5a7a62; font-size: 11px; margin-left: auto; }
.voxel-layer-thumb { width: 36px; height: 36px; border-radius: 4px; border: 1px solid #e5e7eb; background: #f0f6ef; flex-shrink: 0; }
.voxel-editor-layer-nav {
  display: flex;
  gap: 6px;
  margin-top: 10px;
}
.voxel-editor-layer-nav button {
  flex: 1;
  padding: 6px;
  border: 1px solid #b0cfb4;
  border-radius: 6px;
  background: #f3f4f6;
  cursor: pointer;
  font-size: 12px;
}
.voxel-editor-layer-nav button:disabled { opacity: 0.45; cursor: not-allowed; }
.voxel-editor-palette,
.voxel-editor-usage {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 360px;
  overflow-y: auto;
}
.voxel-editor-palette button,
.voxel-editor-usage > div {
  display: grid;
  grid-template-columns: 22px 44px 1fr;
  align-items: center;
  gap: 8px;
  padding: 5px 6px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
  text-align: left;
  font-size: 12px;
}
.voxel-editor-palette button:hover { background: #f3f4f6; }
.voxel-editor-palette button.active { background: #FDEBE5; border-color: #E85A30; }
.voxel-editor-usage > div { cursor: default; grid-template-columns: 18px 40px 1fr 36px; }
.voxel-editor-swatch {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  border: 1px solid rgba(0,0,0,0.12);
}
.voxel-editor-code { font-family: monospace; font-weight: 600; color: #6b7280; }
.voxel-editor-name { color: #6b7280; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.voxel-editor-usage strong { text-align: right; color: #1f2937; }
.voxel-editor-hover {
  position: absolute;
  bottom: 12px;
  left: 12px;
  padding: 4px 8px;
  background: rgba(0,0,0,0.7);
  color: #fff;
  border-radius: 6px;
  font-size: 12px;
  pointer-events: none;
}
.voxel-editor-flash {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
  animation: voxel-flash-fade 0.6s ease-out forwards;
  z-index: 5;
}
.voxel-editor-flash span {
  font-size: 120px;
  font-weight: 800;
  color: rgba(47, 111, 237, 0.25);
  text-shadow: 0 0 30px rgba(47, 111, 237, 0.2);
}
@keyframes voxel-flash-fade {
  0% { opacity: 1; transform: scale(0.85); }
  40% { opacity: 1; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.1); }
}
@media (max-width: 1100px) {
  .voxel-editor { grid-template-columns: 200px 1fr 200px; }
}
@media (max-width: 900px) {
  .voxel-editor {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto 1fr auto;
    grid-template-areas: "header" "left" "main" "right";
  }
  .voxel-editor-left, .voxel-editor-right { max-height: 220px; }
}

/* ===== 2.5D 立体拼豆工作台（复用 voxel-workspace 外壳） ===== */
/* l25-workspace 与 .voxel-workspace 共用同一节点，这里只放差异覆盖 */
.l25-workspace { background: #d4e8d8; }

/* 来源分段切换 */
.l25-seg { display: flex; gap: 0; border: 1px solid #b0cfb4; border-radius: 8px; overflow: hidden; }
.l25-seg button {
  flex: 1; padding: 8px 10px; border: none; background: #e6f1e6; cursor: pointer;
  font-size: 13px; font-weight: 600; color: #6b7280;
}
.l25-seg button + button { border-left: 1px solid #b0cfb4; }
.l25-seg button.active { background: #E85A30; color: #fff; }

/* 上传图预览缩略 */
.l25-thumb { margin-top: 8px; width: 100%; max-height: 180px; object-fit: contain; border-radius: 8px; border: 1px solid #b0cfb4; background: #e6f1e6; }

/* 分区标题分隔 */
.l25-divider {
  margin: 18px 0 10px; padding-top: 14px; border-top: 1px dashed #e3e6ea;
  font-size: 12px; font-weight: 700; letter-spacing: 0.04em; color: #E85A30;
  text-transform: uppercase;
}

/* 状态条 */
.l25-status {
  font-size: 13px; color: #374151; background: #FDEBE5; border: 1px solid #F5D0C5;
  border-radius: 8px; padding: 10px 12px; line-height: 1.5;
}

/* 空状态说明 */
.l25-empty { max-width: 640px; margin: 40px auto; background: #e6f1e6; border: 1px solid #b0cfb4; border-radius: 12px; padding: 24px 28px; }
.l25-empty h3 { margin: 0 0 12px; font-size: 18px; }
.l25-empty p { color: #6b7280; line-height: 1.7; margin: 0 0 14px; }
.l25-empty ol { color: #6b7280; line-height: 2; margin: 0 0 14px; padding-left: 22px; }
.l25-empty b { color: #E85A30; }
.l25-hint { color: #5a7a62; font-size: 13px; margin: 0 !important; }

/* 预览 Tab（对齐 voxel-tabs / voxel-tab，但用 l25 命名隔离） */
.l25-tabs { display: flex; gap: 8px; margin-bottom: 6px; }
.l25-tabs button {
  padding: 8px 16px; border: 1px solid #d1d5db; background: #e6f1e6; border-radius: 8px;
  cursor: pointer; font-size: 13px; font-weight: 600; color: #6b7280;
}
.l25-tabs button.active { background: #E85A30; color: #fff; border-color: #E85A30; }

/* 统计条 */
.l25-stats { display: flex; flex-wrap: wrap; gap: 10px 22px; padding: 12px 14px; background: #e6f1e6; border: 1px solid #b0cfb4; border-radius: 10px; }
.l25-stats span { font-size: 13px; color: #5a7a62; }
.l25-stats b { color: #374151; font-size: 15px; }

/* 三维预览容器 */
.l25-preview { flex: 1; min-height: 440px; height: 56vh; background: radial-gradient(circle at 50% 40%, #151b20, #1a1f26); border-radius: 12px; overflow: hidden; cursor: grab; }
.l25-preview:active { cursor: grabbing; }

/* 可滚动内容区 */
.l25-scroll { background: #e6f1e6; border: 1px solid #b0cfb4; border-radius: 12px; padding: 16px; overflow: auto; max-height: calc(100vh - 280px); }
.l25-caption { color: #5a7a62; font-size: 13px; line-height: 1.6; margin: 0 0 12px; }

/* 厚度图 */
.l25-depth { display: block; max-width: 100%; height: auto; image-rendering: pixelated; border: 1px solid #eee; border-radius: 8px; background: #e6f1e6; }

/* ====== ZoomPan 缩放平移容器（爆炸图 / 逐层零件共用）====== */
.l25-zoompan {
  position: relative;
  overflow: hidden;
  cursor: grab;
  background: #fafafa;
  border: 1px solid #e8e8e8;
  border-radius: 10px;
  user-select: none;
  touch-action: none; /* 禁止浏览器默认触摸行为，让 JS 完全控制 */
  min-height: 200px;   /* 保证有足够可点击区域 */
}
.l25-zoompan:active { cursor: grabbing; }
.l25-zoompan-inner {
  display: inline-block;
  transform-origin: 0 0;
  will-change: transform;
}
.l25-zoompan svg { display: block; vertical-align: top; }

/* 缩放控制条：右下角 */
.l25-zoombar {
  position: absolute; bottom: 8px; right: 8px;
  display: flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(6px);
  border: 1px solid #ddd; border-radius: 6px;
  padding: 4px 8px;
  font-size: 11.5px; font-weight: 600; color: #6b7280;
  pointer-events: auto;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
  z-index: 2;
}
.l25-zoombar button {
  width: 22px; height: 22px;
  border: 1px solid #d1d5db; border-radius: 4px;
  background: #f3f4f6; cursor: pointer;
  font-size: 14px; line-height: 1;
  display: flex; align-items: center; justify-content: center;
  color: #6b7280; transition: all 0.15s;
}
.l25-zoombar button:hover { background: #e5e7eb; border-color: #6b7280; color: #1f2937; }

/* 爆炸图专用 */
.l25-explode { min-height: 400px; display: flex; align-items: center; justify-content: center; }
.l25-explode .l25-zoompan-inner > div,
.l25-explode .l25-zoompan-inner > svg { display: block; }

/* 逐层零件网格 —— 加大卡片 */
.l25-layer-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.l25-layer-card { background: #fbfbfb; border: 1px solid #eee; border-radius: 10px; padding: 14px; }
.l25-layer-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 10px; }
.l25-layer-head b { font-size: 15px; color: #E85A30; }
.l25-layer-head span { font-size: 12px; color: #5a7a62; }

/* 逐层 SVG 容器（被 ZoomPan 包裹） */
.l25-layer-svg {
  min-height: 180px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.l25-layer-svg .l25-zoompan-inner > div,
.l25-layer-svg .l25-zoompan-inner > svg { display: block; }
.l25-layer-meta { margin-top: 8px; font-size: 12px; color: #5a7a62; }

/* ====== 竖向逐层展示（爆炸图下方）====== */
.l25-layer-stack {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 2px solid #e8e8e8;
}
.l25-stack-title {
  font-size: 16px; font-weight: 700; color: #374151;
  margin: 0 0 16px; padding-bottom: 8px;
}
.l25-layer-row {
  background: #e6f1e6;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 16px;
}
.l25-row-head {
  display: flex; align-items: center; flex-wrap: wrap; gap: 10px 16px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid #f0f0f0;
}
.l25-row-head b {
  font-size: 15px; font-weight: 700; color: #E85A30;
  min-width: 48px;
}
.l25-row-head span {
  font-size: 12.5px; color: #5a7a62;
  white-space: nowrap;
}
/* 竖向行内 SVG —— 大画布，独立缩放 */
.l25-row-svg {
  min-height: 280px;
  display: flex; align-items: flex-start; justify-content: flex-start;
  overflow: hidden;
  background: #fafafa;
  border-radius: 8px;
}
.l25-row-svg .l25-zoompan-inner > div,
.l25-row-svg .l25-zoompan-inner > svg { display: block; }

/* ====== SVG 清晰度修复 ====== */
/* ZoomPan 内所有 SVG 使用几何精度渲染，放大后边缘锐利不模糊 */
.l25-zoompan svg,
.l25-explode svg,
.l25-layer-svg svg,
.l25-row-svg svg {
  shape-rendering: geometricPrecision;
}

/* 结构警告 */
.l25-warn { background: #fff7ed; border: 1px solid #fed7aa; border-radius: 10px; padding: 12px 16px; }
.l25-warn b { color: #c2410c; font-size: 13px; }
.l25-warn ul { margin: 8px 0 0; padding-left: 20px; color: #7c2d12; font-size: 12.5px; line-height: 1.7; }

/* 次级按钮（导出 / 编辑器入口） */
.l25-secondary {
  margin-top: 8px; padding: 9px 12px; background: #f3f4f6; color: #6b7280;
  border: 1px solid #b0cfb4; border-radius: 8px; font-weight: 600; cursor: pointer; font-size: 13px;
}
.l25-secondary:hover { background: #e8eaee; }

/* 3D 预览的 Z 厚度放大控件 */
.l25-zscale {
  display: flex; align-items: center; flex-wrap: wrap; gap: 10px 14px;
  padding: 10px 14px; background: #e6f1e6; border: 1px solid #b0cfb4; border-radius: 10px;
  margin-bottom: 10px;
}
.l25-zscale label { font-size: 13px; font-weight: 600; color: #6b7280; white-space: nowrap; }
.l25-zscale input[type='range'] { flex: 0 1 240px; }
.l25-zscale small { flex-basis: 100%; color: #5a7a62; font-size: 12px; line-height: 1.5; margin: 0; }

/* 连桥修复复选框（与主体标签同一行） */
.l25-check {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; color: #6b7280; cursor: pointer; margin: 0;
}
.l25-check input[type='checkbox'] { width: auto; flex: 0 0 auto; margin: 0; transform: scale(1.1); }
.l25-check input[type='checkbox']:disabled { cursor: not-allowed; opacity: 0.7; }


/* ── Editor shell wrapper (dark) ── */

.site-editor-wrap {
  background: #e3f1e6;
  color: #1e3a28;
  height: 100vh;
  overflow: hidden;
}


/* ── Nav editor variant light-green override (matches voxel-workspace chrome) ── */

.navbar.editor {
  background: #d4e8d8 !important;
  border-bottom: 1px solid #b0cfb4 !important;
}
.navbar.editor .nav-logo strong,
.navbar.editor .nav-links a {
  color: #1e3a28 !important;
}
.navbar.editor .nav-links a:hover {
  color: #5a7a62 !important;
}

/* ==========================================================================
   MOBILE RESPONSIVE (≤ 640px — phone portrait & small landscape)

   Strategy: canvas-first, minimal chrome. On phones the editor is a viewer
   first and an editor second. We hide dense desktop controls so the bead
   grid dominates the screen.
   ========================================================================== */
@media (max-width: 640px) {
  /* ── Shell: single column, viewport-filling ── */
  .app-shell {
    display: flex;
    flex-direction: column;
    height: 100dvh;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
  }

  /* ── Topbar: collapse to ONE compact row (brand only) ──
     Hide ALL desktop sections: params, actions, export, lang, mode buttons.
     They can live in a nav menu in a future iteration. */
  .topbar {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    align-items: center;
    gap: 8px;
    padding: 6px 10px !important;
    flex-shrink: 0;
    height: auto !important;
    min-height: 40px;
  }
  .topbar-workspace,
  .topbar-params,
  .topbar-command-zone,
  .project-actions,
  .export-actions,
  .topbar-right {
    display: none !important;
  }
  .brand-lockup { display: flex; align-items: center; gap: 6px; }
  .brand-lockup strong { font-size: 13px; }
  .brand-lockup small { font-size: 10px; }
  .logo-mark { width: 24px; height: 24px; }

  /* ── Tool rail: horizontal scroll strip ── */
  .tool-rail {
    display: flex !important;
    flex-direction: row !important;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 0;
    border-right: none !important;
    border-bottom: 1px solid var(--line-strong);
    padding: 4px 4px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    flex-shrink: 0;
    width: 100%;
  }
  .tool-rail::-webkit-scrollbar { display: none; }
  .tool-button { width: 46px; height: 38px; flex-shrink: 0; font-size: 16px; }

  /* ── Workspace: FILL remaining space (the hero element) ── */
  .workspace {
    flex: 1 1 auto;
    min-height: 320px;
    order: 0;
  }
  .canvas {
    width: 100%;
    height: 100%;
    touch-action: none;
  }

  /* ── Left panel: hide empty 3D preview, compact upload card ── */
  .left-panel {
    display: flex;
    flex-direction: column;
    border-right: none !important;
    border-top: 1px solid var(--line-strong);
    padding: 8px;
    gap: 8px;
    flex-shrink: 0;
    order: 1;
  }
  .preview-card { display: none !important; }          /* empty black box on mobile */
  .image-card { padding: 6px; }
  .left-card-header strong { font-size: 12px; }
  .left-card-header small { font-size: 10px; }
  .upload-zone { padding: 10px 8px; }
  .upload-zone.has-image img { max-height: 100px; object-fit: contain; }
  .image-field-grid { grid-template-columns: 1fr 1fr !important; gap: 6px; }
  .image-number-field input { width: 100%; box-sizing: border-box; }

  /* ── Right panel: compact, scrollable ── */
  .right-panel {
    display: flex;
    flex-direction: column;
    border-left: none !important;
    border-top: 1px solid var(--line-strong);
    padding: 8px;
    gap: 8px;
    overflow-y: auto;
    flex-shrink: 0;
    max-height: 45vh;
    order: 2;
  }
  .panel-tabs {
    display: flex;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .panel-tabs::-webkit-scrollbar { display: none; }
  .panel-tab { flex-shrink: 0; font-size: 12px; padding: 5px 10px; }
  .panel-section { padding: 6px; gap: 6px; }
  .palette-row {
    grid-template-columns: 22px 18px 36px 1fr 44px 40px 60px;
    font-size: 10px;
    padding: 2px 3px;
    gap: 3px;
  }
  .palette-swatch { width: 16px; height: 16px; }
  .usage-table { font-size: 10px; }
  .usage-row { grid-template-columns: 18px 28px 1fr 32px; gap: 3px; }
  .adjustment-slider-row { grid-template-columns: 64px 1fr 40px; gap: 4px; }
  .hidden-input { display: none; }
}

@media (max-width: 480px) {
  .brand-lockup strong { font-size: 13px; }
  .logo-mark { width: 24px; height: 24px; }

  .topbar-params { gap: 4px; }
  .topbar-dimension-group {
    grid-template-columns: 48px 12px 48px;
  }
  .topbar-dimension-group input { width: 48px; font-size: 13px; }

  .export-action-button { font-size: 11px; padding: 4px 6px; }
  .project-action-button { font-size: 11px; padding: 4px 6px; }

  .tool-button { width: 46px; height: 38px; }

  .image-field-grid { grid-template-columns: 1fr !important; }

  .panel-tab { font-size: 12px; padding: 5px 10px; }
  .left-card-header strong { font-size: 12px; }
}

/* ==========================================================================
   2.5D / 3D params workspace — mobile (≤640px)
   The desktop layout is a 320px sidebar + flex main panel. On mobile that
   crushes the preview into a 70px strip. Stack them vertically instead.
   ========================================================================== */
@media (max-width: 640px) {
  .voxel-workspace {
    position: fixed;
    inset: 44px 0 0 0;
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 45vh) minmax(0, 1fr);
    grid-template-areas: "header" "sidebar" "main";
  }
  .voxel-header {
    flex-wrap: wrap;
    padding: 8px 10px;
    gap: 6px;
  }
  .voxel-header strong { font-size: 14px; }
  .voxel-sub { font-size: 11px; flex-basis: 100%; }
  .voxel-back { padding: 5px 10px; font-size: 12px; }

  .voxel-sidebar {
    border-right: none;
    border-bottom: 1px solid #e3e6ea;
    padding: 12px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .voxel-field { margin-bottom: 12px; }
  .voxel-field label { font-size: 12px; }
  .voxel-field small { font-size: 11px; }
  .voxel-field input[type="range"] { width: 100%; }
  .voxel-field select { width: 100%; font-size: 13px; padding: 6px; }
  .voxel-field input[type="file"] { font-size: 12px; }
  .voxel-generate { padding: 10px; font-size: 14px; }

  .voxel-main {
    padding: 12px;
    gap: 12px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .l25-tabs { flex-wrap: wrap; gap: 6px; }
  .l25-tab { flex: 1 1 auto; padding: 6px 8px; font-size: 12px; }
  .l25-empty { margin-top: 24px; font-size: 13px; }
  .l25-hint { font-size: 12px; }
  .l25-stats { grid-template-columns: 1fr 1fr; gap: 6px; }
  .l25-zscale { font-size: 12px; }
  .l25-preview { min-height: 180px; }
  .l25-layer-row { padding: 8px; }
  .l25-row-head { font-size: 12px; }
  .l25-row-svg { max-height: 200px; }
}

@media (max-width: 480px) {
  .voxel-header { padding: 6px 8px; }
  .voxel-header strong { font-size: 13px; }
  .voxel-sidebar { padding: 10px; }
  .voxel-main { padding: 10px; }
  .l25-stats { grid-template-columns: 1fr; }
  .l25-preview { min-height: 140px; }
}