body {
  margin: 0;
  font-family: "Segoe UI", sans-serif;
  background: #2f3136;
  color: #dcddde;
  display: flex;
  flex-direction: column;
  height: 100vh;
}
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #202225;
  padding: 0.5rem 1rem;
}
.camera-selector select {
  background: #202225;
  border: 1px solid #72767d;
  color: #dcddde;
  padding: 0.25rem;
  border-radius: 4px;
}
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}
#video {
  max-width: 90%;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.5);
}
#status {
  margin-top: 0.5rem;
  font-size: 1.2rem;
}
#lockoutOverlay {
  position: absolute;
  inset: 0;
  background: rgba(32,34,37,0.9);
  color: #f04747;
  font-size: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: hidden;
}
.lockout-pulse {
  animation: pulse 1s infinite ease-in-out;
}
@keyframes pulse {
  0%,100% { transform: scale(1); }
  50%     { transform: scale(1.05); }
}
.footer {
  text-align: center;
  padding: 0.5rem;
  background: #202225;
  font-size: 0.85rem;
  color: #72767d;
}