:root {
  --bg: #0b0d12; --fg: #eef1f6; --muted: #9aa3b2; --accent: #5aa0ff;
  --card: #151922; --line: #262c38; --warn: #ffcf57; --danger: #ff5d5d;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; -webkit-text-size-adjust: 100%; }
body { min-height: 100dvh; }
a { color: var(--accent); }
.wrap { max-width: 560px; margin: 0 auto; padding: 20px; }
h1 { font-size: 1.5rem; margin: 0 0 8px; }
h2 { font-size: 1.1rem; margin: 18px 0 6px; }
p { line-height: 1.5; color: var(--fg); }
.muted { color: var(--muted); font-size: .92rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px; margin: 14px 0; }
.warn { border-color: var(--warn); }
.warn b { color: var(--warn); }
button, .btn { font: inherit; cursor: pointer; border-radius: 12px; border: 1px solid var(--line);
  background: #1d2330; color: var(--fg); padding: 14px 18px; width: 100%; margin-top: 10px; }
button.primary { background: var(--accent); color: #04122b; border-color: var(--accent); font-weight: 700; }
button.ghost { background: transparent; }
button:disabled { opacity: .5; cursor: default; }
.row { display: flex; gap: 10px; }
.row > * { flex: 1; }
.pill { display: inline-block; padding: 4px 10px; border-radius: 999px; background: #1d2330; color: var(--muted); font-size: .8rem; }
.lang { position: absolute; top: 10px; right: 12px; font-size: .85rem; }
.lang a { margin-left: 8px; cursor: pointer; }
.credit { margin-top: 18px; font-size: .82rem; color: var(--muted); text-align: center; }
.hidden { display: none !important; }

/* full-screen flash layer for the audience */
#flash { position: fixed; inset: 0; background: #000; z-index: 1; transition: none; }
#stage { position: fixed; inset: 0; z-index: 2; pointer-events: none; }
#stage > * { pointer-events: auto; }
#stopbtn { position: fixed; top: 12px; right: 12px; z-index: 3; width: auto; margin: 0;
  pointer-events: auto; background: rgba(0,0,0,.55); border-color: rgba(255,255,255,.4); color: #fff; padding: 10px 14px; }
#statuspill { position: fixed; bottom: 12px; left: 50%; transform: translateX(-50%); z-index: 3;
  background: rgba(0,0,0,.5); color: #fff; padding: 6px 12px; border-radius: 999px; font-size: .8rem; pointer-events: none; }

/* operator */
table { width: 100%; border-collapse: collapse; }
td, th { text-align: left; padding: 6px 4px; border-bottom: 1px solid var(--line); font-size: .92rem; }
.qrbox { background: #fff; padding: 14px; border-radius: 14px; text-align: center; }
.qrbox img { width: 100%; max-width: 320px; image-rendering: pixelated; }
.big { font-size: 2rem; font-weight: 800; }
.transport button { width: auto; }
#blackout { background: var(--danger); color: #fff; border-color: var(--danger); font-weight: 800; }
.nudge { display: flex; align-items: center; gap: 10px; }
.nudge input { flex: 1; }
input[type=password], input[type=text] { width: 100%; padding: 12px; border-radius: 10px; border: 1px solid var(--line);
  background: #0f131b; color: var(--fg); font: inherit; }