:root,
[data-theme="dark"] {
  --bg: #11100e;
  --bg-elevated: #1a1815;
  --panel: #161412;
  --border: #2c2822;
  --border-soft: rgba(236, 230, 220, 0.08);
  --text: #ece6dc;
  --muted: #8a8276;
  --accent: #b8a066;
  --accent-hover: #c9b47a;
  --accent-text: #1a1610;
  --accent-soft: rgba(184, 160, 102, 0.14);
  --input-bg: #1c1a17;
  --chrome-bg: rgba(22, 20, 18, 0.78);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 12px 40px rgba(0, 0, 0, 0.35);
  --radius: 10px;
}

[data-theme="light"] {
  --bg: #e5e0d6;
  --bg-elevated: #f0ebe3;
  --panel: #f6f2eb;
  --border: #c8c0b2;
  --border-soft: rgba(44, 40, 34, 0.08);
  --text: #2a2620;
  --muted: #6e675c;
  --accent: #8f7340;
  --accent-hover: #a6844a;
  --accent-text: #faf6ef;
  --accent-soft: rgba(143, 115, 64, 0.12);
  --input-bg: #faf7f2;
  --chrome-bg: rgba(246, 242, 235, 0.9);
  --shadow-sm: 0 1px 3px rgba(44, 40, 34, 0.08);
  --shadow-md: 0 12px 36px rgba(44, 40, 34, 0.1);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  font-family: "Segoe UI", "Helvetica Neue", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

.app {
  display: grid;
  grid-template-columns: 360px 1fr;
  height: 100vh;
}

.panel {
  overflow-y: auto;
  padding: 1.5rem 1.35rem;
  background: var(--panel);
  border-right: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}

.panel h1 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text);
}

.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-soft);
}

.panel-brand {
  min-width: 0;
}

.panel-subtitle {
  margin: 0.3rem 0 0;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.btn-theme {
  flex-shrink: 0;
  padding: 0.42rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-elevated);
  color: var(--muted);
  font: inherit;
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.btn-theme:hover {
  border-color: var(--accent);
  color: var(--text);
}

.panel h2 {
  margin: 0 0 0.85rem;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.panel-section {
  margin-bottom: 1.65rem;
  border-bottom: 1px solid var(--border-soft);
  padding-bottom: 1.1rem;
}

.panel-section:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}

.panel-section__heading {
  margin: 0 0 0.85rem;
}

.panel-section--collapsed .panel-section__heading {
  margin-bottom: 0;
}

.panel-section__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  width: 100%;
  margin: 0;
  padding: 0.35rem 0.15rem;
  border: none;
  border-radius: 6px;
  background: transparent;
  font: inherit;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  cursor: pointer;
  text-align: left;
  transition: color 0.2s, background 0.2s;
}

.panel-section__toggle:hover {
  color: var(--text);
  background: var(--accent-soft);
}

.panel-section__toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.panel-section__title {
  flex: 1 1 auto;
  min-width: 0;
}

.panel-section__chevron {
  flex-shrink: 0;
  width: 0.45rem;
  height: 0.45rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  margin-top: -0.15rem;
  transition: transform 0.2s ease;
}

.panel-section--collapsed .panel-section__chevron {
  transform: rotate(-45deg);
  margin-top: 0.1rem;
}

.panel-section__body {
  animation: panel-section-open 0.2s ease;
}

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

@keyframes panel-section-open {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.panel section {
  margin-bottom: 1.65rem;
}

.toolbar {
  padding: 1rem;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-sm);
}

.toolbar-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: nowrap;
  margin-bottom: 0.7rem;
}

.toolbar-row-wrap {
  flex-wrap: wrap;
}

.toolbar-row button {
  flex: 1 1 0;
  min-width: 0;
}

.toolbar button {
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text);
  font: inherit;
  font-size: 0.84rem;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.toolbar button:not(.btn-secondary) {
  border: none;
  background: linear-gradient(180deg, var(--accent-hover) 0%, var(--accent) 100%);
  color: var(--accent-text);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.toolbar button:hover {
  border-color: var(--accent);
}

.toolbar button:not(.btn-secondary):hover {
  filter: brightness(1.05);
}

.toolbar label {
  margin-bottom: 0.7rem;
}

.toolbar .undo-hint {
  margin: 0.2rem 0 0;
  font-size: 0.72rem;
  color: var(--muted);
}

.model-catalog-tools {
  margin-bottom: 0.65rem;
}

.model-sub-filters {
  margin-top: 0.35rem;
}

.model-catalog {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.model-category-section {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.model-category-title {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

.card {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.45rem;
  padding: 0.55rem;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s, opacity 0.2s;
  box-shadow: var(--shadow-sm);
  animation: card-in 0.4s ease backwards;
}

.card:nth-child(2) {
  animation-delay: 0.06s;
}

@keyframes card-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.card:hover {
  border-color: var(--border);
  transform: translateY(-1px);
}

.card.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft), var(--shadow-sm);
}

.card-thumb-missing {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 92px;
  border-radius: 6px;
  background: var(--input-bg);
  color: var(--muted);
  font-size: 0.72rem;
}

.card img {
  width: 100%;
  height: 110px;
  object-fit: contain;
  object-position: center bottom;
  border-radius: 6px;
  background: linear-gradient(180deg, #f3efe8 0%, #ddd6cc 100%);
}

.card span {
  font-size: 0.8rem;
  line-height: 1.3;
  text-align: center;
  letter-spacing: 0.01em;
}

.catalog-tools {
  margin-bottom: 0.75rem;
}

.catalog-tools input[type="search"] {
  width: 100%;
  margin: 0 0 0.55rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text);
  font: inherit;
  font-size: 0.84rem;
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.chip {
  padding: 0.32rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--input-bg);
  color: var(--muted);
  font: inherit;
  font-size: 0.74rem;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.chip:hover {
  border-color: var(--accent);
  color: var(--text);
}

.chip.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--text);
}

.catalog-empty {
  margin: 0 0 0.5rem;
  padding: 0.35rem 0;
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--muted);
}

.granite-selected {
  margin: 0 0 0.45rem;
  font-size: 0.8rem;
  color: var(--text);
  font-weight: 500;
}

.granite-brightness-label {
  margin: 0 0 0.65rem;
}

.granite-gloss-label {
  margin: 0 0 0.65rem;
}

.materials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.45rem;
  max-height: 360px;
  overflow-y: auto;
  padding-right: 0.25rem;
}

.material-card {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.35rem;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  cursor: pointer;
  background: var(--input-bg);
  padding: 0.35rem;
  text-align: left;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  box-shadow: var(--shadow-sm);
  animation: card-in 0.35s ease backwards;
}

.material-thumb {
  display: block;
  aspect-ratio: 4 / 3;
  border-radius: calc(var(--radius) - 2px);
  overflow: hidden;
  background: #0e0e0e;
}

.material-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.material-name {
  display: block;
  font-size: 0.72rem;
  line-height: 1.25;
  color: var(--text);
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.material-card:hover {
  border-color: var(--border);
  transform: translateY(-1px);
}

.material-card.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft);
}

.material-card.active .material-name {
  color: var(--accent);
}

.portrait-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.45rem;
  margin-bottom: 0.55rem;
}

.portrait-card {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.3rem;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  cursor: pointer;
  background: var(--input-bg);
  padding: 0.3rem;
  text-align: left;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  box-shadow: var(--shadow-sm);
}

.portrait-thumb {
  display: block;
  aspect-ratio: 3 / 4;
  border-radius: calc(var(--radius) - 2px);
  overflow: hidden;
  background: #0e0e0e;
}

.portrait-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.portrait-name {
  display: block;
  font-size: 0.68rem;
  line-height: 1.2;
  color: var(--text);
  text-align: center;
}

.portrait-card:hover {
  border-color: var(--border);
  transform: translateY(-1px);
}

.portrait-card.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft);
}

.portrait-card.active .portrait-name {
  color: var(--accent);
}

.portrait-upload-row {
  margin-bottom: 0.55rem;
}

/* legacy swatch grid (catalog-boot fallback) */
.swatches {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  max-height: 320px;
  overflow-y: auto;
  padding-right: 0.25rem;
}

.swatch {
  aspect-ratio: 1;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  cursor: pointer;
  background: #0e0e0e;
  position: relative;
  overflow: hidden;
  padding: 0;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s, opacity 0.2s;
  box-shadow: var(--shadow-sm);
  animation: card-in 0.35s ease backwards;
}

.swatch img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.swatch:hover {
  border-color: var(--border);
  transform: translateY(-1px);
}

.swatch.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft);
}

.swatch::after {
  content: attr(data-name);
  position: absolute;
  inset: auto 0 0;
  padding: 0.28rem 0.35rem;
  font-size: 0.62rem;
  letter-spacing: 0.02em;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.72));
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

label {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 0.82rem;
  color: var(--muted);
}

input,
textarea {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text);
  font: inherit;
  resize: vertical;
  transition: border-color 0.2s, box-shadow 0.2s;
}

select {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text);
  font: inherit;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.actions button {
  width: 100%;
  padding: 0.8rem;
  border: none;
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--accent-hover) 0%, var(--accent) 100%);
  color: var(--accent-text);
  font: inherit;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: filter 0.2s;
}

.btn-secondary {
  width: auto;
  padding: 0.48rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text);
  font: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.btn-secondary:hover {
  border-color: var(--accent);
  background: var(--bg-elevated);
}

.range-label output {
  float: right;
  font-size: 0.78rem;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.range-label input[type="range"] {
  width: 100%;
  margin-top: 0.5rem;
  accent-color: var(--accent);
}

.scale-control__row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.scale-control__row input[type="range"] {
  flex: 1;
  margin-top: 0;
  min-width: 0;
}

.scale-btn {
  flex: 0 0 auto;
  min-width: 2rem;
  padding: 0.35rem 0.5rem;
  font-size: 1.1rem;
  line-height: 1;
  text-align: center;
}

.text-layout-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.section-hint {
  margin: -0.35rem 0 0.75rem;
  font-size: 0.76rem;
  color: var(--muted);
  line-height: 1.45;
}

#viewport.text-hover canvas,
#viewport.accessory-hover canvas {
  cursor: grab;
}

#viewport.text-dragging canvas,
#viewport.accessory-dragging canvas {
  cursor: grabbing;
}

.actions button:hover {
  filter: brightness(1.05);
}

.save-result {
  margin-top: 0.75rem;
  padding: 0.75rem;
  border-radius: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  font-size: 0.85rem;
  word-break: break-all;
}

.save-result.hidden {
  display: none;
}

.save-result a {
  color: var(--accent);
}

.hint {
  margin: 0;
  font-size: 0.74rem;
  color: var(--muted);
  line-height: 1.4;
}

.loading {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(17, 16, 14, 0.45);
  backdrop-filter: blur(6px);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.loading-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.1rem 1.4rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-soft);
  background: var(--chrome-bg);
  box-shadow: var(--shadow-md);
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.loading-spinner {
  width: 28px;
  height: 28px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

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

.loading.visible {
  opacity: 1;
}

.viewport-shell.is-loading canvas {
  opacity: 0.55;
  filter: saturate(0.85);
}

#viewport canvas {
  display: block;
  width: 100%;
  height: 100%;
  transition: opacity 0.4s ease, filter 0.4s ease;
}

.text-preview-wrap {
  margin-top: 0.65rem;
}

.text-preview-label {
  margin: 0 0 0.45rem;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.text-preview {
  display: block;
  width: 100%;
  max-width: 320px;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: inset 0 1px 0 var(--border-soft), var(--shadow-sm);
  background: #2a2824;
}

.viewport-shell {
  position: relative;
  min-height: 0;
  overflow: hidden;
  background: var(--bg);
}

.viewport-chrome {
  position: absolute;
  top: 1.1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.12rem;
  max-width: calc(100% - 2rem);
  padding: 0.22rem;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  background: var(--chrome-bg);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
}

.viewport-chrome-group {
  display: flex;
  align-items: center;
  gap: 0.08rem;
}

.scene-mode-btn {
  padding: 0.36rem 0.62rem;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
}

.scene-mode-btn:hover {
  color: var(--text);
}

.scene-mode-btn.active {
  color: var(--text);
  background: var(--accent-soft);
  box-shadow: var(--shadow-sm);
}

.scene-preset-btn {
  font-weight: 500;
}

.viewport-chrome-sep {
  width: 1px;
  height: 1.2rem;
  margin: 0 0.1rem;
  background: var(--border-soft);
  flex-shrink: 0;
}

.chrome-menu {
  position: relative;
}

.chrome-menu__summary {
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  padding: 0.36rem 0.62rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  user-select: none;
  transition: background 0.2s, color 0.2s;
}

.chrome-menu__summary::-webkit-details-marker {
  display: none;
}

.chrome-menu__summary::after {
  content: "";
  width: 0.35rem;
  height: 0.35rem;
  margin-top: -0.12rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  opacity: 0.7;
}

.chrome-menu__summary:hover,
.chrome-menu[open] > .chrome-menu__summary {
  color: var(--text);
  background: var(--accent-soft);
}

.chrome-menu--active > .chrome-menu__summary {
  color: var(--text);
  background: var(--accent-soft);
  box-shadow: var(--shadow-sm);
}

.chrome-menu__panel {
  position: absolute;
  top: calc(100% + 0.4rem);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  gap: 0.08rem;
  min-width: 8.5rem;
  padding: 0.28rem;
  border-radius: 0.85rem;
  border: 1px solid var(--border-soft);
  background: var(--chrome-bg);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-md);
}

.chrome-menu__panel .scene-mode-btn {
  justify-content: flex-start;
  text-align: left;
}

.chrome-menu__panel--light {
  flex-direction: row;
  align-items: center;
  gap: 0.35rem;
  min-width: 0;
  padding: 0.4rem 0.5rem;
}

.light-slider {
  display: flex;
  align-items: center;
  margin: 0;
}

.light-slider input[type="range"] {
  width: 4.4rem;
  margin: 0;
  accent-color: var(--accent);
}

.light-reset-btn {
  min-width: 2rem;
  padding: 0.36rem 0.5rem;
  font-size: 0.9rem;
  line-height: 1;
}

@media (max-width: 900px) {
  .viewport-chrome {
    left: 1rem;
    right: 1rem;
    transform: none;
    border-radius: 1rem;
    justify-content: flex-start;
  }

  .viewport-chrome-sep {
    display: none;
  }
}

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

#viewport.light-dragging canvas {
  cursor: grabbing;
}

.composition-panel {
  position: absolute;
  bottom: 1.1rem;
  left: 1.1rem;
  z-index: 2;
  min-width: 12rem;
  max-width: min(22rem, calc(100% - 2.2rem));
  padding: 0.55rem 0.65rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-soft);
  background: var(--chrome-bg);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
  pointer-events: none;
}

.composition-panel__header {
  margin: 0 0 0.35rem;
  padding: 0 0.15rem;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.composition-panel__list {
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
}

.composition-panel__row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.35rem 0.5rem;
  padding: 0.32rem 0.4rem;
  border-radius: calc(var(--radius) - 2px);
  background: rgba(0, 0, 0, 0.12);
  pointer-events: auto;
}

.composition-panel__row:has(.composition-panel__stone) {
  grid-template-columns: auto auto 1fr auto;
}

.composition-panel__row--selectable {
  cursor: pointer;
  transition: background 0.15s, outline-color 0.15s;
}

.composition-panel__row--selectable:hover {
  background: rgba(0, 0, 0, 0.22);
}

[data-theme="light"] .composition-panel__row--selectable:hover {
  background: rgba(255, 255, 255, 0.7);
}

.composition-panel__row--focus {
  outline: 2px solid var(--accent);
  outline-offset: 0;
  background: var(--accent-soft);
}

.composition-panel__stone {
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background-color: #555;
  background-size: cover;
  background-position: center;
  flex-shrink: 0;
}

[data-theme="light"] .composition-panel__row {
  background: rgba(255, 255, 255, 0.45);
}

.composition-panel__label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--muted);
  white-space: nowrap;
}

.composition-panel__name {
  font-size: 0.78rem;
  color: var(--text);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.composition-panel__remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.45rem;
  height: 1.45rem;
  padding: 0;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.composition-panel__remove:hover {
  color: var(--text);
  background: var(--accent-soft);
}

.composition-panel__remove:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.composition-panel__gap {
  margin-top: 0.45rem;
  padding: 0.4rem 0.45rem 0.2rem;
  border-radius: calc(var(--radius) - 2px);
  background: rgba(0, 0, 0, 0.12);
  pointer-events: auto;
}

[data-theme="light"] .composition-panel__gap {
  background: rgba(255, 255, 255, 0.45);
}

.composition-panel__gap-label {
  margin: 0;
  font-size: 0.72rem;
}

.composition-panel__gap-label output {
  float: right;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}

.composition-panel__gap-label input[type="range"] {
  width: 100%;
  margin: 0.35rem 0 0.15rem;
}

[data-theme="light"] .text-preview {
  background: #b8b2a8;
}

[data-theme="light"] .loading {
  background: rgba(246, 242, 235, 0.65);
}

#viewport {
  position: relative;
  min-height: 0;
}

/* Палитра покрытия гравировки */
.coating-picker {
  gap: 6px;
}

.coating-picker .coating-swatch {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--border-soft, #555);
  padding: 0;
  cursor: pointer;
  position: relative;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.coating-picker .coating-swatch:hover {
  transform: scale(1.12);
}

.coating-picker .coating-swatch.active {
  box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--border-soft, #555);
}

.coating-picker .coating-swatch[data-coating="kraska-krasnoe-zoloto"] {
  background: linear-gradient(135deg, #B3342E 55%, #C9A227 55%);
}

[data-theme="light"] .coating-picker .coating-swatch.active {
  box-shadow: 0 0 0 2px #1a1a1a, 0 0 0 4px #bbb;
}