:root {
  color-scheme: dark;
  --background: #061315;
  --panel: #0b2225;
  --panel-strong: #103034;
  --ink: #f4f7ef;
  --muted: #9eb2af;
  --line: rgba(210, 239, 229, .2);
  --mint: #68ebc2;
  --acid: #d7ff4f;
  --danger: #ff8b72;
}

* { box-sizing: border-box; }

html { background: var(--background); }

body {
  min-width: 320px;
  min-height: 100dvh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 90% 0, rgba(104, 235, 194, .1), transparent 34rem),
    var(--background);
  font-family: Inter, "Segoe UI", "Yu Gothic UI", Meiryo, sans-serif;
}

button, input { font: inherit; }
button, label { touch-action: manipulation; }

.app-shell {
  width: min(760px, 100%);
  min-height: 100dvh;
  margin: 0 auto;
  padding: max(18px, env(safe-area-inset-top)) 16px max(28px, env(safe-area-inset-bottom));
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.app-header > div:first-child { min-width: 0; }

.eyebrow {
  margin: 0 0 3px;
  color: var(--mint);
  font: 800 9px ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: .11em;
}

h1 {
  margin: 0;
  overflow: hidden;
  font-size: clamp(17px, 4.7vw, 22px);
  line-height: 1.1;
  text-overflow: ellipsis;
  white-space: nowrap;
}
h2 { margin: 0; font-size: 14px; }

.status-chip {
  display: flex;
  align-items: center;
  gap: 7px;
  max-width: 44%;
  min-width: 0;
  min-height: 31px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(0, 0, 0, .18);
  color: var(--muted);
  font-size: 9px;
  line-height: 1.25;
}

.status-dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #71817e;
}

.status-chip.is-live .status-dot { background: var(--mint); box-shadow: 0 0 10px rgba(104, 235, 194, .8); }
.status-chip.is-busy .status-dot { background: var(--acid); }
.status-chip.is-error .status-dot { background: var(--danger); }

.mode-panel,
.results-panel {
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: rgba(11, 34, 37, .9);
}

.results-panel { margin-top: 9px; }

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 7px;
}

.section-heading > span { color: var(--muted); font-size: 11px; }

.mode-switch {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  margin: 0;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: rgba(0, 0, 0, .18);
}

.mode-switch label { cursor: pointer; }
.mode-switch input { position: absolute; opacity: 0; pointer-events: none; }

.mode-switch span {
  display: grid;
  min-height: 34px;
  place-items: center;
  padding: 6px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.mode-switch input:checked + span { color: #142000; background: var(--acid); }
.mode-switch input:focus-visible + span { outline: 3px solid rgba(104, 235, 194, .6); }

.preview-panel {
  position: relative;
  display: grid;
  width: 100%;
  height: clamp(210px, 38dvh, 330px);
  min-height: 0;
  margin-top: 9px;
  overflow: hidden;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #02090a;
  box-shadow: 0 18px 55px rgba(0, 0, 0, .28);
}

#camera-video { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

#preview-canvas {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.preview-message {
  position: absolute;
  z-index: 3;
  max-width: 76%;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
  pointer-events: none;
}

.preview-message.is-hidden { display: none; }

.source-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 9px;
}

.button {
  display: grid;
  min-height: 48px;
  cursor: pointer;
  place-items: center;
  padding: 9px 12px;
  border: 1px solid transparent;
  border-radius: 11px;
  text-align: center;
  text-decoration: none;
  font-size: 13px;
  font-weight: 850;
}

.button.primary { color: #142000; background: var(--acid); }
.button.secondary { color: var(--ink); border-color: rgba(104, 235, 194, .5); background: var(--panel-strong); }
.button:disabled { cursor: not-allowed; opacity: .4; }
.button:focus-visible { outline: 3px solid rgba(104, 235, 194, .6); outline-offset: 2px; }

.privacy-note {
  margin: 10px 3px 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.55;
}

.result-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.result-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 7px;
  min-height: 50px;
  padding: 7px 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(0, 0, 0, .15);
}

.result-number {
  display: grid;
  width: 26px;
  height: 26px;
  place-items: center;
  border-radius: 50%;
  color: #142000;
  background: var(--acid);
  font-size: 11px;
  font-weight: 900;
}

.result-body { min-width: 0; }
.result-format { margin: 0 0 3px; color: var(--mint); font: 800 10px ui-monospace, monospace; }
.result-text { margin: 0; overflow-wrap: anywhere; font: 700 12px ui-monospace, monospace; }

.copy-button {
  min-height: 32px;
  padding: 5px 9px;
  cursor: pointer;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 7px;
  background: transparent;
  font-size: 10px;
  font-weight: 800;
}

.empty-result { padding: 12px 4px; color: var(--muted); font-size: 12px; text-align: center; }

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

@media (min-width: 640px) {
  .app-shell { padding-inline: 24px; }
}

@media (max-width: 340px) {
  .app-header { display: block; }
  .status-chip { max-width: 100%; margin-top: 12px; }
  .preview-panel { height: 210px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
}