/* 视觉算法实验页，只做浏览器端调试；不影响比赛控制台。 */
.camera-warning {
  margin-top: 10px;
  padding: 10px 12px;
  border: 1px solid #7a5a18;
  border-radius: 8px;
  background: #2a2110;
  color: #ffd479;
  font-size: 13px;
  line-height: 1.5;
}

.vision-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 14px;
  padding: 16px 18px 28px;
  max-width: 1680px;
  margin: 0 auto;
}

.vision-stage {
  align-self: start;
  min-width: 0;
  padding: 12px;
}

.vision-canvas-wrap {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  border: 1px solid var(--line, #2a333d);
  background: #05080b;
  aspect-ratio: 16 / 9;
}

#stage {
  display: block;
  width: 100%;
  height: 100%;
  cursor: crosshair;
}

.vision-empty {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 24px;
  text-align: center;
  color: var(--muted, #8a98a6);
  background: radial-gradient(circle at 50% 45%, rgba(27, 47, 66, .45), transparent 65%);
  pointer-events: none;
}

.vision-empty-icon {
  font-size: 44px;
  line-height: 1;
  color: #3b5568;
}

.vision-empty p { margin: 0; }
.vision-empty .hint { font-size: 12px; }

.vision-hud {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 4px 8px;
  border-radius: 5px;
  background: rgba(5, 8, 11, .72);
  border: 1px solid rgba(255, 255, 255, .08);
  color: #cfe4ef;
  font: 600 11px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .02em;
  pointer-events: none;
}

.vision-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 10px;
  padding-top: 12px;
}

.vision-toolbar label,
.vision-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  color: var(--muted, #8a98a6);
  font-size: 11px;
  letter-spacing: .04em;
}

.vision-toolbar select,
.vision-field select {
  min-height: 32px;
  background: #101820;
  color: #e8eef3;
  border: 1px solid #2a3946;
  border-radius: 6px;
  padding: 5px 8px;
}

.vision-toolbar button { min-height: 32px; }

.vision-statusline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-top: 10px;
  color: var(--muted, #8a98a6);
  font-size: 12px;
}

.vision-side {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.vision-side .panel { padding: 12px 14px; }
.vision-side h2 { font-size: 13px; }

.vision-controls {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid rgba(255, 255, 255, .06);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}

.vision-field { padding-top: 8px; }
.vision-field output {
  color: #e8eef3;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.vision-field input[type="range"] {
  width: 100%;
  accent-color: #38d996;
}

.inline-control {
  display: flex;
  align-items: center;
  gap: 10px;
}

.inline-control input[type="color"] {
  width: 54px;
  height: 32px;
  padding: 2px;
  border: 1px solid #2a3946;
  border-radius: 6px;
  background: #101820;
}

.vision-check {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 8px;
  color: #d7e1e8;
  font-size: 12px;
}

.vision-check input { accent-color: #38d996; }

.vision-actions {
  display: flex;
  gap: 8px;
  padding-top: 9px;
}

.vision-events {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 190px;
  overflow-y: auto;
  padding-top: 8px;
}

.vision-event {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 9px;
  border-radius: 6px;
  border: 1px solid #26333e;
  background: #101820;
  font-size: 12px;
}

.vision-event b { color: #38d996; font-weight: 600; }
.vision-event .hint { white-space: nowrap; }

.metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding-top: 8px;
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 8px 9px;
  border-radius: 6px;
  border: 1px solid #26333e;
  background: #101820;
}

.metric span { color: var(--muted, #8a98a6); font-size: 11px; }
.metric b {
  color: #e8eef3;
  font: 600 17px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace;
}

@media (max-width: 1050px) {
  .vision-shell { grid-template-columns: 1fr; }
  .vision-side { display: grid; grid-template-columns: 1fr 1fr; align-items: start; }
  .vision-side .panel:last-child { grid-column: 1 / -1; }
}

@media (max-width: 700px) {
  .vision-shell { padding: 10px; }
  .vision-side { grid-template-columns: 1fr; }
  .vision-toolbar label { flex: 1 1 130px; }
}