:root{--ink: #0b1020;--flare: #ff6a00;--flare-hot: #ff8a3d;--wash: #fff4eb;--teal: #0f766e;--muted: #8b93a7;--line: rgba(255, 244, 235, .12);--danger: #e11d48;--font-display: "Sora", system-ui, sans-serif;--font-body: "IBM Plex Sans", system-ui, sans-serif;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);color-scheme:dark}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font-body);background:radial-gradient(120% 80% at 50% -10%,rgba(255,106,0,.22),transparent 55%),radial-gradient(80% 50% at 100% 100%,rgba(15,118,110,.12),transparent 50%),var(--ink);color:var(--wash);-webkit-font-smoothing:antialiased}button,input{font:inherit}button{cursor:pointer;border:none;background:none;color:inherit}a{color:var(--flare-hot)}.app-shell{min-height:100%;padding:calc(20px + var(--safe-top)) 20px calc(24px + var(--safe-bottom));max-width:480px;margin:0 auto;display:flex;flex-direction:column}.brand{font-family:var(--font-display);font-weight:700;font-size:clamp(2.6rem,12vw,3.4rem);letter-spacing:-.04em;line-height:1;margin:0}.tagline{margin:10px 0 0;color:var(--muted);font-size:.98rem}.net-pill{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-size:.85rem;color:var(--muted)}.net-pill .dot{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 #0f766e80;animation:pulse-dot 2s ease-out infinite}.net-pill.offline .dot{background:var(--danger);animation:none}@keyframes pulse-dot{0%{box-shadow:0 0 #0f766e73}70%{box-shadow:0 0 0 10px #0f766e00}to{box-shadow:0 0 #0f766e00}}.nearby{margin-top:28px;flex:1}.nearby-title{font-family:var(--font-display);font-size:.85rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 12px}.peer-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}.peer-btn{width:100%;min-height:56px;display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:14px;border:1.5px solid var(--line);background:#fff4eb0a;text-align:left;transition:transform .15s ease,border-color .15s ease}.peer-btn:active{transform:scale(.98)}.peer-btn:hover{border-color:#ff6a0073}.peer-dot{width:10px;height:10px;border-radius:50%;background:var(--flare);box-shadow:0 0 0 4px #ff6a0026;flex-shrink:0}.peer-name{flex:1;font-family:var(--font-display);font-weight:600;font-size:1.05rem}.peer-action{color:var(--flare-hot);font-size:.85rem;font-weight:600}.invite-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:80;background:#0b1020b8;display:flex;align-items:flex-end;justify-content:center;padding:20px;padding-bottom:calc(20px + var(--safe-bottom))}.invite-sheet{width:min(440px,100%);background:var(--ink);border:1.5px solid var(--line);border-radius:20px;padding:24px 20px}.invite-title{font-family:var(--font-display);font-size:1.4rem;font-weight:700;margin:0 0 6px}.invite-actions{display:grid;gap:10px;margin-top:18px}.home-actions{margin-top:auto;display:grid;gap:14px;padding-top:28px}.btn{min-height:56px;border-radius:16px;padding:14px 20px;font-family:var(--font-display);font-weight:600;font-size:1.1rem;transition:transform .15s ease,background .15s ease,opacity .15s ease;touch-action:manipulation}.btn:active{transform:scale(.97)}.btn-primary{background:var(--flare);color:var(--ink)}.btn-primary:hover{background:var(--flare-hot)}.btn-ghost{background:transparent;border:1.5px solid var(--line);color:var(--wash)}.btn-ghost:hover{border-color:#fff4eb47}.btn:disabled{opacity:.45;cursor:not-allowed}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:24px}.topbar h1{font-family:var(--font-display);font-size:1.25rem;margin:0}.back{min-width:44px;min-height:44px;display:grid;place-items:center;border-radius:12px;border:1px solid var(--line)}.stack{display:grid;gap:16px}.code-display{font-family:var(--font-display);font-size:2.4rem;letter-spacing:.28em;text-align:center;padding:12px 0 4px .28em}.hint{color:var(--muted);font-size:.92rem;text-align:center;margin:0}.input{width:100%;min-height:52px;border-radius:14px;border:1.5px solid var(--line);background:#fff4eb0a;color:var(--wash);padding:12px 16px;letter-spacing:.2em;text-transform:uppercase;text-align:center;font-family:var(--font-display);font-size:1.2rem}.input:focus{outline:2px solid var(--flare);outline-offset:2px}.pipe-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;background:#ff6a001f;color:var(--flare-hot);font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;transition:background .25s ease,color .25s ease}.pipe-badge[data-pipe=turn]{background:#0f766e2e;color:#5eead4}.pipe-badge[data-pipe=lan]{background:#ff6a0029;color:var(--flare-hot)}.pipe-badge[data-pipe=offline-qr]{background:#fff4eb1a;color:var(--wash)}.progress-wrap{margin-top:28px}.progress-track{height:10px;border-radius:999px;background:#fff4eb14;overflow:hidden}.progress-fill{height:100%;width:0%;border-radius:inherit;background:linear-gradient(90deg,var(--flare),#ffb347);transition:width .2s ease}.progress-meta{display:flex;justify-content:space-between;margin-top:12px;color:var(--muted);font-size:.88rem}.file-name{font-family:var(--font-display);font-weight:600;font-size:1.15rem;word-break:break-all;margin:0}.beacon{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:#fff;color:var(--ink);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:16px}.beacon img{width:min(86vw,400px);height:auto;border-radius:0;image-rendering:pixelated;background:#fff;padding:20px;box-shadow:none;outline:1px solid rgba(0,0,0,.06)}.beacon-stream img{width:min(88vw,420px)}.stream-canvas{width:min(88vw,420px);height:auto;background:#fff;image-rendering:pixelated}.beacon .code{margin-top:18px;font-family:var(--font-display);font-size:1.6rem;letter-spacing:.24em;padding-left:.24em}.beacon .sub{margin-top:8px;color:#5c4636;text-align:center;max-width:28rem}.scanner{border-radius:18px;overflow:hidden;border:1px solid var(--line);min-height:280px;background:#000}.scanner-screen{min-height:min(70vh,480px)}.scanner video{width:100%!important}@media(prefers-reduced-motion:reduce){.net-pill .dot{animation:none}.btn{transition:none}}.settings-list{display:grid;gap:12px}.settings-row{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px;padding:8px 0;border-bottom:1px solid var(--line)}.toggle{width:48px;height:28px;border-radius:999px;background:#fff4eb26;position:relative;transition:background .15s ease}.toggle.on{background:var(--flare)}.toggle:after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;transition:transform .15s ease}.toggle.on:after{transform:translate(20px)}.error{color:#fda4af;font-size:.9rem}.pair-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.pair-grid .btn{min-height:48px;font-size:.95rem}