:root {
  --ground: #0F1419;
  --panel: #172029;
  --line: #26323D;
  --text: #E6EDF3;
  --muted: #8B9BAA;
  --accent: #4FB3CF;
  --accent-ink: #062530;
  --ok: #3FB950;
  --warn: #D29922;
  --bad: #E5484D;
  --font: "Segoe UI", system-ui, -apple-system, "Noto Sans", "Noto Sans Arabic", sans-serif;
  --mono: "Cascadia Mono", ui-monospace, Consolas, "DejaVu Sans Mono", monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; background: var(--ground); color: var(--text); font: 15px/1.5 var(--font); }
[hidden] { display: none !important; }
button, input { font: inherit; }
button:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Connect screen */
.connect { min-height: 100%; display: grid; place-content: center; gap: 18px; padding: 24px 16px; }
.panel { width: min(420px, 100%); background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 28px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .01em; color: var(--muted); margin-bottom: 22px; }
.brand span { color: var(--text); }
h1 { font-size: 1.35rem; line-height: 1.25; margin: 0 0 4px; font-weight: 650; text-wrap: balance; }
h1 span { color: var(--accent); }
.hint { color: var(--muted); font-size: .88rem; margin: 0 0 18px; }
form { display: grid; gap: 8px; }
label { font-size: .8rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
#code { font: 600 2rem/1 var(--mono); letter-spacing: .18em; text-align: center; padding: 14px 10px; background: var(--ground); color: var(--text); border: 1px solid var(--line); border-radius: 8px; width: 100%; }
#code::placeholder { color: #3A4753; }
#code:focus { border-color: var(--accent); outline: none; }
form .hint { margin: 0 0 10px; }
button { cursor: pointer; border-radius: 7px; border: 1px solid var(--line); background: transparent; color: var(--text); padding: 8px 14px; }
button:hover { border-color: var(--muted); }
#connect-btn { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 650; padding: 12px; }
#connect-btn:disabled { opacity: .6; cursor: progress; }
.error { color: #FF8589; font-size: .9rem; margin: 6px 0 0; }
.error-detail { color: var(--muted); font-size: .82rem; margin: 6px 0 0; white-space: pre-line; user-select: text; max-width: 34rem; }
.foot { color: var(--muted); font-size: .82rem; text-align: center; margin: 0; max-width: 420px; }

/* Session */
.session { position: fixed; inset: 0; background: #000; }
.stage { position: absolute; inset: 0; overflow: hidden; }
.stage.actual { overflow: auto; }
/* Absolutely positioned so the video's own size never stretches the layout. */
video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; display: block; background: #000; outline: none; touch-action: none; }
.stage.actual video { position: static; object-fit: fill; }
.waiting { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); color: var(--muted); font-size: .95rem; pointer-events: none; }

.bar { position: absolute; top: 10px; left: 50%; transform: translateX(-50%); display: flex; align-items: center; gap: 10px;
  max-width: calc(100% - 20px); padding: 6px 8px 6px 14px; background: rgba(23, 32, 41, .92); border: 1px solid var(--line);
  border-radius: 999px; font-size: .85rem; transition: opacity .25s, transform .25s; backdrop-filter: blur(6px); }
.bar.idle { opacity: 0; transform: translate(-50%, -8px); pointer-events: none; }
.bar button { padding: 4px 12px; border-radius: 999px; font-size: .82rem; white-space: nowrap; }
.bar .danger { border-color: rgba(229, 72, 77, .5); color: #FF8589; }
.bar .danger:hover { background: rgba(229, 72, 77, .15); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--warn); flex: none; }
.dot.live { background: var(--ok); }
.dot.bad { background: var(--bad); }
.stats { color: var(--muted); font: .8rem var(--mono); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.spacer { flex: 1; }
@media (max-width: 640px) { .stats { display: none; } .bar strong { max-width: 30vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; } }

.toast { position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%); background: var(--panel); border: 1px solid var(--line);
  padding: 10px 16px; border-radius: 8px; font-size: .9rem; max-width: calc(100% - 32px); display: flex; align-items: center; gap: 12px; }
.toast button { padding: 4px 12px; border-radius: 6px; border-color: var(--accent); color: var(--accent); white-space: nowrap; }

.bar select { font: inherit; font-size: .82rem; background: transparent; color: var(--text); border: 1px solid var(--line);
  border-radius: 999px; padding: 4px 10px; max-width: 12rem; }
.bar select option { background: var(--panel); }
.menu-wrap { position: relative; }
.menu { position: absolute; top: calc(100% + 8px); right: 0; min-width: 16rem; background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px; padding: 6px; display: grid; gap: 2px; box-shadow: 0 12px 32px rgba(0, 0, 0, .45); z-index: 2; }
.menu button { border: 0; border-radius: 6px; text-align: left; display: flex; justify-content: space-between; gap: 16px; padding: 7px 10px; font-size: .85rem; }
.menu button:hover, .menu button:focus-visible { background: rgba(79, 179, 207, .12); }
kbd { font: .75rem var(--mono); color: var(--muted); }
.menu-note { margin: 4px 10px 4px; font-size: .75rem; color: var(--muted); max-width: 16rem; }

/* Off-screen buffer used to copy host text to this device's clipboard. */
#copy-buffer { position: fixed; left: -9999px; top: 0; width: 1px; height: 1px; opacity: 0; }
@media (prefers-reduced-motion: reduce) { .bar { transition: none; } }