:root { --bg: #111418; --card: #1b1f25; --text: #e8eaed; --muted: #9aa0a6; --accent: #4f8cff; --ok: #34a853; --bad: #ea4335; }
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font-family: Tahoma, "Segoe UI", sans-serif; }
header { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 10px 16px; }
header h1 { font-size: 16px; margin: 0; }
.tools { display: flex; align-items: center; gap: 10px; }
.tools form { margin: 0; }
button { background: var(--card); color: var(--text); border: 1px solid #333a44; border-radius: 6px; padding: 6px 12px; font: inherit; font-size: 13px; cursor: pointer; }
.status { font-size: 12px; color: var(--muted); }
.status.on { color: var(--ok); }
.status.off { color: var(--bad); }
.picker { padding: 0 8px 8px; display: flex; gap: 8px; }
.picker #cam { flex: 2; }
.picker #quality { flex: 1; }
.picker select { min-width: 0; padding: 10px 12px; border-radius: 8px; border: 1px solid #333a44; background: var(--card); color: var(--text); font: inherit; font-size: 15px; }
main { padding: 0 8px 16px; }
.cam.single { max-width: 1280px; margin: 0 auto; }
.cam { position: relative; background: var(--card); border-radius: 8px; overflow: hidden; aspect-ratio: 16 / 9; cursor: pointer; }
.cam video-stream, .cam video { width: 100%; height: 100%; display: block; object-fit: contain; background: #000; }
.cam .name { position: absolute; top: 6px; right: 8px; background: rgba(0,0,0,.55); padding: 2px 8px; border-radius: 4px; font-size: 13px; pointer-events: none; }
.cam.full { position: fixed; inset: 0; z-index: 10; border-radius: 0; aspect-ratio: auto; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login form { width: 100%; max-width: 320px; background: var(--card); border-radius: 12px; padding: 24px; display: grid; gap: 12px; }
.login h1 { font-size: 18px; margin: 0 0 4px; text-align: center; }
.login input { width: 100%; padding: 10px 12px; border-radius: 6px; border: 1px solid #333a44; background: var(--bg); color: var(--text); font: inherit; }
.login button { background: var(--accent); border-color: var(--accent); color: #fff; padding: 10px; font-size: 15px; }
.login .err { color: var(--bad); font-size: 13px; min-height: 1em; text-align: center; }