:root { --bg: #111; --fg: #f2f2f2; --muted: #9a9a9a; --accent: #e8b04a; }
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--fg); font: 16px/1.4 system-ui, sans-serif; }
.hidden { display: none !important; }
.screen { padding: 16px; max-width: 560px; margin: 0 auto; }
h1 { font-size: 20px; }
label { display: block; margin: 12px 0; color: var(--muted); }
input, select { display: block; width: 100%; margin-top: 4px; padding: 10px; font-size: 16px; background: #222; color: var(--fg); border: 1px solid #333; border-radius: 8px; }
button { padding: 12px 16px; font-size: 16px; border: 0; border-radius: 10px; background: var(--accent); color: #111; font-weight: 600; }
button.secondary { background: #333; color: var(--fg); }
.buttons { display: flex; gap: 8px; flex-wrap: wrap; margin: 16px 0; }
.note { color: var(--muted); font-size: 14px; }
.hint { color: var(--muted); font-size: 14px; border-left: 3px solid var(--accent); padding-left: 8px; }

#stage { position: fixed; inset: 0; padding: 0; max-width: none; }
#viewport { position: absolute; inset: 0; overflow: hidden; background: #000; }
#viewport video, #viewport canvas { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); }
#viewport.mirror video, #viewport.mirror canvas { transform: translate(-50%, -50%) scaleX(-1); }
#hud { position: absolute; top: 8px; left: 8px; display: flex; gap: 8px; font: 13px/1 ui-monospace, monospace; }
#hud span { background: rgba(0,0,0,.6); padding: 6px 8px; border-radius: 6px; }
#prompt { position: absolute; top: 44px; left: 8px; right: 8px; text-align: center; font-size: 18px; text-shadow: 0 1px 3px #000; }
#controls { position: absolute; bottom: 16px; left: 8px; right: 8px; display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
td, th { border-bottom: 1px solid #333; padding: 6px; text-align: left; }