:root{--ink:#0b0e14;--panel:#131826;--line:#232a3d;--amber:#ffae3d;--paper:#e8e3d8;--dim:#8b8fa3;--fault:#ff5c5c;--mono:"IBM Plex Mono", ui-monospace, monospace;--sans:"IBM Plex Sans", system-ui, sans-serif;--disp:"Chakra Petch", var(--sans)}*{box-sizing:border-box}html,body{background:radial-gradient(120% 90% at 50% 0%, #10151f 0%, var(--ink) 55%);height:100%;color:var(--paper);font-family:var(--sans);margin:0;overflow:hidden}body{grid-template-rows:auto 1fr auto;display:grid}#topbar{justify-content:space-between;align-items:center;padding:14px 20px 10px;display:flex}#wordmark{font-family:var(--disp);letter-spacing:.14em;color:var(--paper);font-size:18px;font-weight:700}#wordmark span{color:var(--dim);letter-spacing:.2em;text-transform:uppercase;margin-left:10px;font-size:12px;font-weight:600}#status{border:1px solid var(--line);background:color-mix(in srgb, var(--panel) 82%, transparent);font-family:var(--mono);color:var(--dim);align-items:center;gap:9px;padding:7px 14px;font-size:12.5px;display:inline-flex}.status-dot{background:var(--dim);border-radius:50%;width:8px;height:8px}#status[data-state=live]{color:var(--paper);border-color:color-mix(in srgb, var(--amber) 45%, var(--line))}#status[data-state=live] .status-dot{background:var(--amber);box-shadow:0 0 10px color-mix(in srgb, var(--amber) 70%, transparent)}#status[data-state=waiting] .status-dot{background:var(--amber);animation:1.6s ease-in-out infinite breathe}#status[data-state=lost] .status-dot,#status[data-state=insufficient] .status-dot,#status[data-state=error] .status-dot{background:var(--fault)}#status[data-state=lost],#status[data-state=insufficient],#status[data-state=error]{color:#f4c9c9}@keyframes breathe{50%{opacity:.35}}#stage{place-items:center;min-height:0;padding:8px 20px 14px;display:grid;position:relative}#viewport{aspect-ratio:16/9;outline:1px solid var(--line);background:#05070b;place-items:center;max-width:100%;max-height:100%;display:grid;position:relative}#screen{object-fit:contain;image-rendering:auto;width:100%;height:100%;display:block}.corner{border:2px solid var(--amber);opacity:.9;pointer-events:none;width:22px;height:22px;position:absolute}.c-tl{border-bottom:0;border-right:0;top:-2px;left:-2px}.c-tr{border-bottom:0;border-left:0;top:-2px;right:-2px}.c-bl{border-top:0;border-right:0;bottom:-2px;left:-2px}.c-br{border-top:0;border-left:0;bottom:-2px;right:-2px}#stage[data-state=waiting] #viewport .corner,#stage[data-state=lost] #viewport .corner{opacity:.25}#pair{background:color-mix(in srgb, var(--ink) 62%, transparent);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);place-items:center;display:none;position:absolute;inset:0}#pair.on{display:grid}.pair-card{background:var(--panel);border:1px solid var(--line);text-align:center;max-width:340px;padding:30px 38px 24px;position:relative}.pair-card h1{font-family:var(--disp);letter-spacing:.1em;text-transform:uppercase;color:var(--amber);margin:0 0 6px;font-size:21px;font-weight:700}.pair-lead{color:var(--dim);margin:0 0 18px;font-size:13.5px;line-height:1.5}#qr{background:var(--paper);width:232px;height:232px;padding:10px}.pair-ttl{font-family:var(--mono);color:var(--dim);margin:14px 0 0;font-size:12px}#hud{border-top:1px solid var(--line);background:color-mix(in srgb, var(--panel) 70%, transparent);grid-auto-columns:1fr;grid-auto-flow:column;display:grid}.hud-cell{border-left:1px solid var(--line);flex-direction:column;gap:3px;min-width:0;padding:9px 14px 11px;display:flex}.hud-cell:first-child{border-left:0}.hud-label{font-family:var(--disp);letter-spacing:.22em;color:var(--dim);font-size:10px;font-weight:600}.hud-value{font-family:var(--mono);color:var(--paper);white-space:nowrap;text-overflow:ellipsis;font-size:15px;font-weight:500;overflow:hidden}.hud-value.warn{color:var(--amber)}@media (width<=760px){#hud{grid-template-columns:repeat(4,1fr);grid-auto-flow:row}.hud-cell:nth-child(5){border-left:0}#topbar{padding:10px 12px 6px}#stage{padding:6px 10px 10px}}:focus-visible{outline:2px solid var(--amber);outline-offset:2px}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}