/* Farben: Asphalt als Grund, Schildfarben nur dort, wo sie etwas bedeuten */
:root { --asphalt:#1e2329; --panel:#2a3138; --marking:#f1f0ea; --muted:#9aa4ad; --blue:#1467b8; }
* { box-sizing: border-box; }
body { margin:0; background:var(--asphalt); color:var(--marking);
  font-family: Bahnschrift, "DIN Alternate", "Segoe UI", system-ui, sans-serif; /* DIN: Schriftfamilie der Verkehrszeichen */
  padding: env(safe-area-inset-top) 0 env(safe-area-inset-bottom); }
main { max-width: 680px; margin: 0 auto; padding: 16px; }
h1 { font-size: 1.4rem; margin: 0 0 4px; }
#status { color: var(--muted); margin: 0 0 12px; min-height: 1.4em; }
.stage { position: relative; background: #000; border-radius: 6px; overflow: hidden; }
.stage canvas { display: block; width: 100%; height: auto; }
.stage video { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 12px; }
button, .btn { font: inherit; font-weight: 600; background: var(--blue); color: #fff; border: 0;
  border-radius: 6px; padding: 12px 18px; cursor: pointer; }
.btn input { display: none; }
button:focus-visible, .btn:focus-within, input:focus-visible { outline: 3px solid var(--marking); outline-offset: 2px; }
.tune { color: var(--muted); font-size: .95rem; }
.tune select { padding: 7px 9px; color: var(--marking); background: var(--panel); border: 1px solid var(--muted); border-radius: 5px; font: inherit; }
.backend-settings { margin-top: 14px; padding: 10px 12px; background: var(--panel); border-radius: 6px; }
.backend-settings summary { cursor: pointer; font-weight: 600; }
.backend-settings label { display: grid; gap: 6px; margin-top: 10px; }
.backend-settings input { width: 100%; padding: 9px; border: 1px solid var(--muted); border-radius: 4px; font: inherit; }
.backend-settings small { display: block; margin-top: 8px; color: var(--muted); }
ul { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 8px; }
li { background: var(--panel); border-left: 8px solid var(--c, var(--muted)); padding: 10px 14px; border-radius: 0 6px 6px 0; }
li span { color: var(--muted); margin-left: 8px; }
li p { margin: 4px 0 0; color: var(--muted); font-size: .9rem; }
li.leer { border-left-color: var(--muted); color: var(--muted); }