:root {
  color-scheme: light;
  --bg: #f7f5f1;
  --card: #fff;
  --line: #e7e0d7;
  --text: #292722;
  --sub: #78736b;
  --orange: #d85d00;
  --orange-dark: #a74400;
  --orange-soft: #fff0e3;
  --radius: 18px;
}
* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font:
    16px/1.5 system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}
body {
  min-height: 100vh;
}
button,
input,
select {
  font: inherit;
}
button {
  border: 0;
  background: none;
  cursor: pointer;
}
input {
  accent-color: var(--orange);
}
button:disabled {
  opacity: 0.45;
  cursor: wait;
}
button:focus-visible,
summary:focus-visible,
input:focus-visible,
.upload-label:focus-within {
  outline: 3px solid #e58b42;
  outline-offset: 4px;
}
h1,
h2,
h3,
p {
  margin: 0;
}
.hidden {
  display: none !important;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.app-shell {
  max-width: 1040px;
  margin: 0 auto;
  padding: 28px 28px 40px;
}
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding-bottom: 36px;
}
.brand-wrap {
  display: flex;
  gap: 10px;
  align-items: center;
}
.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--orange-soft);
  display: grid;
  place-items: center;
  color: var(--orange);
}
.brand-icon svg {
  width: 30px;
  height: 30px;
}
h1 {
  font-size: 21px;
  letter-spacing: -0.5px;
  line-height: 1.1;
}
.screen {
  display: none;
  animation: fade 0.2s ease;
}
.screen.active {
  display: block;
}
@keyframes fade {
  from {
    opacity: 0.4;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.action-stack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin: 18px 0 36px;
}
.big-button {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 38px 12px;
  text-align: left;
  min-height: 176px;
  padding: 24px;
  border-radius: var(--radius);
  font-size: 21px;
  font-weight: 600;
  cursor: pointer;
}
.action-icon {
  grid-column: 1/-1;
  width: 34px;
  height: 34px;
}
.action-icon svg {
  width: 100%;
  height: 100%;
}
.primary-button {
  background: var(--orange);
  color: #fff;
}
.primary-button:hover {
  background: var(--orange-dark);
}
.secondary-button,
.upload-label {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--line);
}
.secondary-button:hover,
.upload-label:hover {
  background: #fffaf5;
}
.upload-label input {
  display: block;
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}
.ghost-button,
.icon-button {
  background: var(--orange-soft);
  color: var(--orange-dark);
  border: 1px solid #f2d5bd;
  font-weight: 650;
}
.ghost-button {
  border-radius: 999px;
  padding: 10px 14px;
}
.ghost-button.small {
  padding: 8px 10px;
  font-size: 13px;
}
.icon-button {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: 12px;
}
.settings-card {
  padding: 20px 0;
  border-top: 1px solid var(--line);
}
summary {
  cursor: pointer;
  font-weight: 600;
}
.settings-card summary {
  font-size: 14px;
  color: var(--sub);
}
.settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 14px;
  padding: 10px 0;
}
.settings-grid label {
  display: grid;
  gap: 6px;
  color: var(--sub);
  font-size: 14px;
}
.settings-grid input[type="number"],
.settings-grid input[type="file"],
.settings-grid input[type="range"] {
  width: 100%;
  min-width: 0;
}
.settings-grid input[type="number"] {
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--card);
  color: var(--text);
}
.checkbox-row {
  display: flex !important;
  align-items: center;
  gap: 8px;
  color: var(--text) !important;
}
.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.topbar-title {
  font-size: 21px;
  font-weight: 700;
  line-height: 1.2;
}
.topbar .ghost-button {
  margin-left: auto;
}
.preview-card,
.bottom-sheet {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.preview-card {
  overflow: hidden;
  padding: 10px;
  position: relative;
}
canvas,
video {
  display: block;
  width: 100%;
  height: auto;
  background: #1d2023;
  border-radius: 14px;
}
.camera-card {
  padding: 0;
  aspect-ratio: 3/4;
  max-width: 560px;
  margin: auto;
  display: grid;
  place-items: center;
  background: #1d2023;
}
#cameraVideo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}
.guide-frame {
  position: absolute;
  inset: 12%;
  border: 2px dashed #ffffffb3;
  border-radius: 24px;
  pointer-events: none;
}
.camera-controls {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  max-width: 560px;
  margin: 20px auto;
}
.camera-controls .secondary-button,
.review-actions button {
  padding: 14px 16px;
  border-radius: 16px;
  font-weight: 650;
}
.capture-button {
  width: 74px;
  height: 74px;
  border-radius: 50%;
  background: radial-gradient(
    circle at center,
    #fff 0,
    #fff 58%,
    #efa66f 60%,
    var(--orange) 100%
  );
  box-shadow: 0 5px 16px #d85d0022;
  justify-self: center;
}
.review-actions {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 12px;
  margin-top: 16px;
}
.review-actions .hidden + .primary-button {
  grid-column: 1 / -1;
}
.review-actions .primary-button {
  min-height: 52px;
}
#reviewCanvas,
#resultCanvas {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 62vh;
  margin: auto;
}
.review-fov {
  margin-top: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.review-fov label {
  white-space: nowrap;
  color: var(--sub);
  font-size: 13px;
}
.review-fov input {
  max-width: 80px;
  padding: 6px;
  border-radius: 8px;
  border: 1px solid var(--line);
}
.result-card {
  padding: 0;
}
.region-tools { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 10px; }
.region-tools button { padding: 9px 14px; min-height: 44px; touch-action: manipulation; }
#regionStatus { color: var(--sub); font-size: .9rem; }
#regionStatus:empty { display: none; }
#resultCanvas.selecting-region { touch-action: none; cursor: crosshair; user-select: none; }
#regionFrame { position: absolute; pointer-events: none; border: 2px dashed white; background: #157cb533; box-shadow: 0 0 0 1px #245064; }
.spinner {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 3px solid #f6d8c0;
  border-top-color: var(--orange);
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.bottom-sheet {
  margin-top: 14px;
  padding: 20px;
}
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}
.panel-header h3 {
  font-size: 15px;
}
.count-badge {
  background: var(--orange-soft);
  color: var(--orange-dark);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}
.cone-list {
  display: grid;
  gap: 10px;
}
.cone-list.empty {
  color: var(--sub);
}
#removeCone { min-height: 44px; padding: 8px 12px; border-radius: 10px; color: #973c2a; }
#undoRemoveCone { margin-top: 10px; min-height: 44px; }
.bottom-sheet button { touch-action: manipulation; }
.cone-item {
  display: grid;
  grid-template-columns: auto 1fr 20px;
  gap: 12px;
  align-items: center;
  text-align: left;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fffcf8;
}
.cone-item.selected {
  border-color: var(--orange);
  box-shadow: 0 0 0 1px var(--orange);
}
.cone-rank {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--orange-soft);
  display: grid;
  place-items: center;
  font-weight: 700;
  color: var(--orange-dark);
}
.cone-meta strong {
  display: block;
}
.selection-mark {
  color: var(--orange);
  font-weight: 700;
}
.detail-panel {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.metric-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.metric-item {
  padding: 12px;
  border-radius: 12px;
  background: #faf7f2;
  border: 1px solid var(--line);
}
.metric-item span {
  display: block;
  font-size: 12px;
  color: var(--sub);
}
.metric-item strong {
  display: block;
  font-size: 20px;
  margin-top: 4px;
}
.distance-metric {
  grid-column: 1/-1;
  background: var(--orange-soft);
  border-color: #f2d5bd;
  padding: 20px;
}
.distance-metric strong {
  font-size: 44px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -1.5px;
  color: var(--orange-dark);
}
@media (min-width: 800px) {
  #resultScreen.active {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(290px, 0.8fr);
    gap: 0 24px;
  }
  #resultScreen > .topbar {
    grid-column: 1/-1;
  }
  .bottom-sheet {
    margin-top: 0;
    align-self: start;
  }
  .result-card {
    align-self: start;
  }
  .metric-grid {
    gap: 8px;
  }
  #reviewScreen {
    max-width: 760px;
    margin: auto;
  }
}
@media (max-width: 600px) {
  .app-shell {
    padding: 20px 18px 32px;
  }
  .app-header {
    padding-bottom: 25px;
  }
  .action-stack {
    grid-template-columns: 1fr;
    gap: 12px;
    margin: 18px 0 32px;
  }
  .big-button {
    min-height: 112px;
    grid-template-columns: 48px 1fr auto;
    align-items: center;
    gap: 15px;
    padding: 24px;
    font-size: 19px;
  }
  .action-icon {
    grid-column: auto;
  }
  .settings-grid {
    grid-template-columns: 1fr;
  }
  .bottom-sheet {
    padding: 16px;
  }
  .topbar-title {
    font-size: 20px;
  }
  .camera-controls .secondary-button {
    padding: 10px;
  }
  .camera-controls {
    gap: 10px;
  }
  .distance-metric strong {
    font-size: 40px;
  }
  #reviewCanvas,
  #resultCanvas {
    max-height: 56vh;
  }
}
@media (prefers-reduced-motion: reduce) {
  .screen {
    animation: none;
  }
}

.settings-grid select {
  width: 100%;
  min-width: 0;
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 11px;
}
.model-storage {
  margin: 18px 0;
  padding: 15px 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--card);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.model-storage p, .scan-hint, #workDetail { color: var(--sub); font-size: .9rem; }
.model-storage p, #workDetail { margin-top: 5px; }
.scan-hint { margin: 12px 0; }
#scanDialog {
  width: min(90vw, 390px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  color: var(--text);
  background: var(--card);
}
#scanDialog::backdrop { background: rgb(30 24 20 / 55%); }
#downloadActions { display: grid; gap: 10px; margin-top: 16px; }
#workDetail { white-space: pre-line; }
.work-status { display: flex; align-items: center; gap: 12px; }
.work-status h2 { font-size: 1.15rem; }
#transferProgress { width: 100%; margin-top: 12px; accent-color: var(--orange); }

#openCloud, .cloud-tools button, .cloud-tools select { border-radius: 10px; }
.cloud-stage { background: #192026; border-radius: var(--radius); overflow: hidden; }
#cloudViewStatus { padding: 24px; color: white; }
#cloudCanvas { width: 100%; height: clamp(240px, 58vh, 650px); touch-action: none; cursor: grab; }
#cloudCanvas:active { cursor: grabbing; }
.cloud-tools { display: flex; gap: 10px 18px; flex-wrap: wrap; align-items: center; padding: 14px 0 0; }
.cloud-tools label { display: inline-flex; gap: 6px; align-items: center; min-height: 44px; }
.cloud-tools button, .cloud-tools select { padding: 9px 12px; min-height: 44px; border: 1px solid var(--line); background: var(--card); color: var(--text); }
.depth-views { display: flex; gap: 4px; margin-bottom: 10px; }
.depth-views button { border-radius: 10px; min-height: 44px; padding: 8px 16px; color: var(--sub); }
.depth-views button[aria-pressed="true"] { background: var(--orange-soft); color: var(--orange-dark); font-weight: 650; }
@media (max-width: 400px) {
  .depth-views button { flex: 1; padding-inline: 4px; }
}
#depthCanvas, #colorCanvas { width: auto; height: auto; max-width: 100%; max-height: 58vh; margin: auto; background: #182027; }
.cloud-tools label:has(#cloudProfile) { flex-wrap: wrap; max-width: 100%; }
.cloud-tools select { max-width: 100%; }
.depth-legend { padding: 12px 0 0; font-size: .84rem; }
#depthScale { height: 9px; border-radius: 5px; }
.depth-labels { display: flex; justify-content: space-between; margin: 4px 0; }
.depth-missing::before { content: ''; display: inline-block; background: #182027; width: .85em; height: .85em; margin-right: 5px; }