body { font-family: system-ui, sans-serif; max-width: 900px; margin: 1.2rem auto;
  padding: 0 1rem; background: #111; color: #eee; }
h1 { font-size: 1.4rem; }
.hint { background: #1d2a3a; border-left: 3px solid #4a90d9; padding: .6rem .8rem;
  border-radius: 4px; font-size: .9rem; line-height: 1.4; }
.row { display: flex; gap: .8rem; flex-wrap: wrap; align-items: center; margin: 1rem 0; }
button { background: #4a90d9; color: #fff; border: 0; padding: .5rem .9rem;
  border-radius: 6px; cursor: pointer; font-size: .95rem; }
button:disabled { background: #444; cursor: not-allowed; }
input { background: #222; color: #eee; border: 1px solid #444; border-radius: 4px; padding: .35rem; }
label { font-size: .9rem; }
.status { font-weight: bold; }
video, .remote-video { width: 100%; max-width: 820px; background: #000; border-radius: 8px; }
.media { display: flex; flex-direction: column; gap: .6rem; }
.log { margin-top: 1rem; font-family: monospace; font-size: .8rem; color: #9ab;
  max-height: 200px; overflow: auto; border-top: 1px solid #333; padding-top: .5rem; }
a { color: #7ab8ff; }
ul { line-height: 1.8; }