:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  background: #090b0d;
  color: #f6fbfc;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  background: radial-gradient(circle at 65% 0%, rgba(34, 216, 204, 0.1), transparent 30rem), #090b0d;
}

header {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(182, 217, 219, 0.14);
  padding: 0.8rem 1.2rem;
  gap: 1rem;
}

h1, .eyebrow { margin: 0; }
h1 { font-size: clamp(1.2rem, 4vw, 1.75rem); letter-spacing: -0.04em; }

.eyebrow, label {
  color: #22d8cc;
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

a {
  border: 1px solid rgba(182, 217, 219, 0.24);
  border-radius: 7px;
  padding: 0.38rem 0.65rem;
  color: #c6d4d7;
  font-size: 0.76rem;
  font-weight: 700;
  text-decoration: none;
}

main {
  display: grid;
  min-height: calc(100vh - 72px);
  grid-template-columns: minmax(0, 1fr) 280px;
}

.display {
  position: relative;
  min-height: 28rem;
  overflow: hidden;
  background: #050607;
}

video { width: 100%; height: 100%; object-fit: contain; }
.output_canvas { position: absolute; top: 0; left: 0; display: block; pointer-events: none; }

.camera-note {
  position: absolute;
  bottom: 0.8rem;
  left: 0.8rem;
  margin: 0;
  border: 1px solid rgba(182, 217, 219, 0.14);
  border-radius: 6px;
  padding: 0.3rem 0.5rem;
  background: rgba(9, 11, 13, 0.75);
  color: #9aa7ad;
  font-size: 0.68rem;
}

.controls {
  display: grid;
  align-content: start;
  border-left: 1px solid rgba(182, 217, 219, 0.14);
  padding: 1.2rem;
  background: #101418;
  gap: 1.2rem;
}

.controls div { display: grid; gap: 0.4rem; }

select, input, button {
  width: 100%;
  border: 1px solid rgba(182, 217, 219, 0.24);
  border-radius: 7px;
  padding: 0.55rem 0.65rem;
  background: #090b0d;
  color: #f6fbfc;
  font: inherit;
}

button { border-color: #22d8cc; background: #22d8cc; color: #06110f; font-weight: 750; cursor: pointer; }
.controls p { margin: 0; color: #9aa7ad; font-size: 0.78rem; line-height: 1.55; }

@media (max-width: 760px) {
  header { min-height: 64px; }
  main { min-height: calc(100vh - 64px); grid-template-columns: 1fr; }
  .display { min-height: 55vh; }
  .controls { border-top: 1px solid rgba(182, 217, 219, 0.14); border-left: 0; }
}