:root {
  --scan-bg: #10141c;
  --scan-card: #1a2130;
  --scan-ink: #f4f6fb;
  --scan-muted: #9aa6b8;
  --scan-line: #2a3448;
  --scan-accent: #3d7dff;
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  max-width: 100%;
  background: var(--scan-bg);
  color: var(--scan-ink);
  font-family: "Pretendard Variable", Pretendard, sans-serif;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
html { touch-action: manipulation; }
body {
  overflow-x: hidden;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}
.scan-shell {
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  min-height: 100svh;
  padding: 12px 16px calc(28px + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-x: hidden;
}
.scan-top {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.scan-top h1 {
  margin: 0;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
}
.scan-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 12px;
  border-radius: 10px;
  background: var(--scan-card);
  color: var(--scan-ink);
  text-decoration: none;
  font-weight: 700;
}
.scan-who {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--scan-muted);
}
.scan-modes {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}
.scan-modes[hidden] { display: none !important; }
html:not(.scan-desk) #cameraPane .scan-gun { display: none !important; }
html.scan-desk,
html.scan-desk body { height: 100%; }
html.scan-desk .scan-shell {
  max-width: none;
  height: 100%;
  min-height: 100%;
  box-sizing: border-box;
  padding: 16px 28px 28px;
}
html.scan-desk .scan-modes { position: sticky; top: 0; z-index: 3; background: var(--scan-bg); padding: 4px 0 8px; }
html.scan-desk .scan-modes button { min-height: 52px; font-size: 16px; }
html.scan-desk .scan-pane { max-width: 760px; width: 100%; margin-inline: auto; }
html.scan-desk .scan-view,
html.scan-desk .scan-photo,
html.scan-desk #scanWakeBtn { display: none !important; }
html.scan-desk #cameraPane {
  flex: 1;
  max-width: none;
  width: 100%;
  margin: 0;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 0;
}
html.scan-desk #cameraPane .scan-guide,
html.scan-desk #cameraPane .scan-gun { width: min(640px, 100%); }
html.scan-desk .scan-guide { margin: 0; text-align: center; font-size: 16px; }
html.scan-desk .scan-gun { font-size: 14px; font-weight: 700; color: var(--scan-ink); text-align: center; }
html.scan-desk .scan-gun input {
  height: 72px;
  font-family: "JetBrains Mono", ui-monospace, Consolas, monospace;
  font-size: 26px;
  letter-spacing: 0.04em;
  border-width: 2px;
  border-color: var(--scan-accent);
  padding: 0 18px;
}
html.scan-desk .scan-gun input:focus { outline: 3px solid rgba(61, 125, 255, 0.35); outline-offset: 2px; }
.scan-modes button {
  min-height: 44px;
  padding: 0 4px;
  border-radius: 10px;
  border: 1px solid var(--scan-line);
  background: var(--scan-card);
  color: var(--scan-ink);
  font: inherit;
  font-size: 14px;
  font-weight: 700;
}
.scan-modes button.is-on {
  background: var(--scan-accent);
  border-color: var(--scan-accent);
}
.scan-modes button:disabled {
  opacity: 0.4;
}
.scan-gun { display: grid; gap: 4px; font-size: 13px; color: var(--scan-muted); }
.scan-gun input {
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--scan-line);
  background: var(--scan-card);
  color: var(--scan-ink);
  font-size: 16px;
  padding: 0 12px;
}
.scan-claim { display: grid; gap: 8px; }
.scan-claim p { margin: 0; }
.scan-pane { display: flex; flex-direction: column; gap: 10px; }
.scan-pane[hidden] { display: none !important; }
.scan-view {
  position: relative;
  width: 100%;
  max-width: 100%;
  height: min(46svh, 360px);
  min-height: 200px;
  border-radius: 16px;
  overflow: hidden;
  background: #000;
}
.scan-view * { max-width: 100% !important; }
.scan-view video,
.scan-view canvas,
.scan-view img {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
  max-width: 100% !important;
  min-height: 0;
  object-fit: cover;
}
.scan-guide {
  margin: 0;
  text-align: center;
  color: var(--scan-muted);
  font-size: 14px;
}
.scan-photo {
  display: none;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 1px dashed var(--scan-line);
  border-radius: 12px;
  font-weight: 700;
  position: relative;
}
.scan-photo.is-on { display: flex; }
.scan-photo input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}
.scan-hit {
  margin: 0;
  padding: 14px;
  border-radius: 12px;
  background: var(--scan-card);
  font-weight: 700;
  line-height: 1.45;
  white-space: pre-line;
}
.scan-menu {
  display: grid;
  gap: 10px;
}
.scan-btn {
  min-height: 52px;
  border: 0;
  border-radius: 12px;
  background: var(--scan-card);
  color: var(--scan-ink);
  font: inherit;
  font-weight: 750;
}
.scan-btn--primary { background: var(--scan-accent); }
.scan-btn:disabled { opacity: 0.45; }
.scan-btn[hidden] { display: none !important; }
.scan-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  font-weight: 650;
  color: var(--scan-muted);
}
.scan-field input,
.scan-field select,
.scan-field textarea,
.scan-lot input {
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid var(--scan-line);
  border-radius: 10px;
  background: var(--scan-card);
  color: var(--scan-ink);
  font-family: inherit;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.3;
}
.scan-field textarea { min-height: 88px; resize: vertical; }
.scan-lots { display: grid; gap: 8px; }
.scan-lot {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 12px;
  border-radius: 12px;
  background: var(--scan-card);
}
.scan-lot input[type="number"] {
  width: 4.5rem;
  min-height: 48px;
  border-radius: 8px;
  border: 1px solid var(--scan-line);
  background: #10141c;
  color: var(--scan-ink);
  font-size: 16px;
  text-align: right;
}
.scan-lot input[type="checkbox"] {
  width: 22px;
  height: 22px;
  min-height: 22px;
  padding: 0;
}
.scan-lot__meta { font-size: 13px; line-height: 1.4; }
.scan-preview {
  margin: 0;
  font-size: 13px;
  color: var(--scan-muted);
  line-height: 1.5;
  white-space: pre-line;
}
.scan-note {
  margin: 0;
  min-height: 1.2em;
  color: #ffb4b4;
  font-size: 13px;
}
.scan-note:empty { min-height: 0; }
.scan-done-kicker {
  margin: 8px 0 0;
  color: #86efac;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}
.scan-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(8, 10, 16, 0.72);
  touch-action: none;
}
.scan-overlay[hidden] { display: none !important; }
.scan-overlay__card {
  width: min(100%, 360px);
  padding: 28px 22px;
  border-radius: 16px;
  background: var(--scan-card);
  text-align: center;
}
.scan-overlay__card--pick {
  text-align: left;
}
.scan-overlay__card--pick .scan-field {
  margin: 12px 0 0;
}
.scan-overlay__card--pick .scan-btn {
  margin-top: 12px;
}
.scan-overlay__spin {
  display: inline-block;
  width: 28px;
  height: 28px;
  border: 3px solid #2a3448;
  border-top-color: #86efac;
  border-radius: 50%;
  animation: scan-spin 0.8s linear infinite;
}
.scan-overlay__title {
  margin: 14px 0 0;
  font-size: 1.05rem;
  font-weight: 800;
}
.scan-overlay__sub {
  margin: 8px 0 0;
  color: var(--scan-muted);
  font-size: 14px;
  line-height: 1.45;
}
@keyframes scan-spin {
  to { transform: rotate(360deg); }
}