:root {
  color-scheme: light dark;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #11100f;
  color: #f8f2e8;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 15% 0%, rgba(255, 205, 112, 0.18), transparent 32rem),
    linear-gradient(135deg, #141210, #24211f 55%, #11100f);
}

button,
input,
select {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  min-height: 2.55rem;
  border: 0;
  border-radius: 999px;
  padding: 0.65rem 1rem;
  background: #f4c15d;
  color: #211a10;
  font-weight: 800;
  cursor: pointer;
}

button.secondary,
.hero-links a,
.button-link {
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  color: #f8f2e8;
}

button.danger { color: #ffb4a8; }

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

code {
  border-radius: 0.35rem;
  padding: 0.08rem 0.3rem;
  background: rgba(255, 255, 255, 0.10);
}

.shell {
  display: grid;
  width: min(78rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 2rem;
  gap: 1rem;
}

.hero,
.stage-toolbar,
.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.hero {
  align-items: end;
  padding: 1rem 0 0.25rem;
}

.hero-aside {
  display: grid;
  justify-items: end;
  gap: 0.75rem;
}

.hero h1 {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(2.4rem, 8vw, 5.6rem);
  line-height: 0.88;
  letter-spacing: -0.07em;
}

.lede {
  max-width: 46rem;
  margin: 0.8rem 0 0;
  color: #d4c8b9;
  font-size: 1.05rem;
  line-height: 1.55;
}

.eyebrow,
.label {
  margin: 0 0 0.25rem;
  color: #f4c15d;
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-links,
.toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.hero-links a {
  min-height: 2.55rem;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.65rem 1rem;
  font-weight: 800;
  text-decoration: none;
}

.button-link {
  min-height: 2.55rem;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.65rem 1rem;
  font-weight: 800;
  text-decoration: none;
}

.stage-card,
.panel {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 1.25rem;
  background: rgba(255, 255, 255, 0.075);
  box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(18px);
}

.stage-card {
  display: grid;
  gap: 0.75rem;
  padding: 0.75rem;
}

.muted {
  margin: 0;
  color: #c8bbab;
  line-height: 1.5;
}

.capture-stage {
  position: relative;
  min-height: min(65vh, 42rem);
  overflow: hidden;
  border-radius: 1rem;
  background:
    linear-gradient(45deg, rgba(255, 255, 255, 0.035) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255, 255, 255, 0.035) 25%, transparent 25%),
    #070707;
  background-size: 2rem 2rem;
}

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

#preview-canvas,
#corner-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

#corner-overlay {
  pointer-events: none;
}

.version-debug {
  width: min(26rem, 100%);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 0.9rem;
  padding: 0.65rem 0.75rem;
  background: rgba(17, 16, 15, 0.78);
  box-shadow: 0 0.75rem 2rem rgba(0, 0, 0, 0.24);
  color: #f8f2e8;
}

.version-debug p {
  margin: 0 0 0.45rem;
  color: #f4c15d;
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.version-debug dl {
  display: grid;
  gap: 0.22rem;
  margin: 0;
}

.version-debug div {
  display: grid;
  grid-template-columns: 5.2rem minmax(0, 1fr);
  gap: 0.45rem;
}

.version-debug dt,
.version-debug dd {
  margin: 0;
  font-size: 0.72rem;
  line-height: 1.2;
}

.version-debug dt {
  color: #c8bbab;
  font-weight: 800;
}

.version-debug dd {
  color: #fff;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  overflow-wrap: anywhere;
}

.roi-box {
  position: absolute;
  left: 15%;
  top: 15%;
  width: 70%;
  height: 70%;
  border: 2px solid #f4c15d;
  border-radius: 0.45rem;
  background: rgba(244, 193, 93, 0.08);
  box-shadow: 0 0 0 999rem rgba(0, 0, 0, 0.32);
  cursor: move;
  touch-action: none;
}

.roi-label {
  position: absolute;
  left: 0.55rem;
  top: 0.45rem;
  border-radius: 999px;
  padding: 0.25rem 0.5rem;
  background: rgba(17, 16, 15, 0.78);
  color: #f8f2e8;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.roi-handle {
  position: absolute;
  width: 1rem;
  height: 1rem;
  border: 2px solid #11100f;
  border-radius: 999px;
  background: #f4c15d;
}

.roi-handle--nw { left: -0.55rem; top: -0.55rem; cursor: nwse-resize; }
.roi-handle--ne { right: -0.55rem; top: -0.55rem; cursor: nesw-resize; }
.roi-handle--sw { left: -0.55rem; bottom: -0.55rem; cursor: nesw-resize; }
.roi-handle--se { right: -0.55rem; bottom: -0.55rem; cursor: nwse-resize; }

.stage-status {
  position: absolute;
  left: 50%;
  top: 50%;
  max-width: min(28rem, calc(100% - 2rem));
  transform: translate(-50%, -50%);
  border-radius: 999px;
  padding: 0.75rem 1rem;
  background: rgba(17, 16, 15, 0.76);
  color: #f8f2e8;
  font-weight: 800;
  text-align: center;
}

.stage-status[hidden] { display: none; }

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.72fr);
  gap: 1rem;
}

.panel {
  display: grid;
  align-content: start;
  gap: 0.85rem;
  padding: 1rem;
}

.panel h2 {
  margin: 0;
  font-size: 1.1rem;
}

.pill {
  border-radius: 999px;
  padding: 0.35rem 0.65rem;
  background: rgba(255, 255, 255, 0.11);
  color: #d4c8b9;
  font-size: 0.78rem;
  font-weight: 800;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.55rem;
}

.metric {
  min-width: 0;
  border-radius: 0.9rem;
  padding: 0.85rem;
  background: rgba(255, 255, 255, 0.08);
}

.metric-label {
  display: block;
  margin-bottom: 0.35rem;
  color: #c8bbab;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.metric strong {
  display: block;
  overflow: hidden;
  font-size: 1.1rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status-line {
  margin: 0;
  color: #d4c8b9;
}

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

label {
  display: grid;
  gap: 0.35rem;
  color: #d4c8b9;
  font-size: 0.86rem;
  font-weight: 800;
}

input,
select {
  min-width: 0;
  min-height: 2.5rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 0.75rem;
  padding: 0.45rem 0.65rem;
  background: rgba(0, 0, 0, 0.24);
  color: #f8f2e8;
}

input[type="range"] {
  padding-inline: 0;
}

.threshold-meter {
  position: relative;
  overflow: hidden;
  height: 0.46rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
}

.threshold-meter__fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background: linear-gradient(90deg, #f06d5d 0%, #efbd57 52%, #58f29a 100%);
  transition: width 100ms linear;
}

.threshold-meter__threshold {
  position: absolute;
  top: -0.14rem;
  bottom: -0.14rem;
  width: 2px;
  background: #f8f2e8;
  transform: translateX(-1px);
}

.threshold-meter__value {
  color: #c8bbab;
  font-size: 0.76rem;
  font-variant-numeric: tabular-nums;
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.toggle-row input {
  min-height: auto;
  width: 1rem;
}

.overlay-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}

.event-list {
  display: grid;
  gap: 0.55rem;
}

.empty {
  margin: 0;
  color: #c8bbab;
}

.event-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem;
  border-radius: 0.9rem;
  padding: 0.8rem;
  background: rgba(255, 255, 255, 0.075);
}

.event-card h3 {
  margin: 0;
  overflow: hidden;
  font-size: 1rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.event-card p {
  margin: 0.25rem 0 0;
  color: #c8bbab;
  font-size: 0.9rem;
}

.event-score {
  color: #f4c15d;
  font-weight: 900;
}

@media (max-width: 820px) {
  .hero,
  .stage-toolbar,
  .panel-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-aside {
    justify-items: stretch;
  }

  .layout,
  .metric-grid,
  .settings-grid {
    grid-template-columns: 1fr;
  }

  .capture-stage {
    min-height: 58vh;
  }
}