:root{--buncss-light:initial;--buncss-dark: ;color-scheme:light dark;--bg:oklch(.975 .006 290);--surface:oklch(1 0 0);--surface-2:oklch(.955 .008 290);--surface-3:oklch(.925 .01 290);--text:oklch(.23 .02 285);--muted:oklch(.48 .02 285);--faint:oklch(.62 .015 285);--line:oklch(.23 .02 285/.1);--line-strong:oklch(.23 .02 285/.2);--accent:oklch(.5 .17 285);--accent-hover:oklch(.45 .17 285);--accent-soft:oklch(.5 .17 285/.1);--on-accent:oklch(.99 .005 285);--mine:oklch(.5 .17 285);--on-mine:oklch(.99 .005 285);--theirs:oklch(.945 .012 290);--ok:oklch(.58 .13 155);--ok-soft:oklch(.58 .13 155/.12);--warn:oklch(.66 .15 65);--warn-soft:oklch(.72 .14 70/.16);--danger:oklch(.56 .19 25);--danger-soft:oklch(.56 .19 25/.1);--shadow:0 1px 2px oklch(.2 .03 285/.06),0 6px 20px oklch(.2 .03 285/.06);--radius-sm:8px;--radius:14px;--radius-lg:22px;--font:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";--mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace;--ease:cubic-bezier(.2,0,0,1);--tap:44px;--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px)}@media (prefers-color-scheme:dark){:root{--buncss-light: ;--buncss-dark:initial;--bg:oklch(.17 .015 285);--surface:oklch(.21 .017 285);--surface-2:oklch(.245 .018 285);--surface-3:oklch(.29 .02 285);--text:oklch(.95 .008 285);--muted:oklch(.75 .015 285);--faint:oklch(.6 .015 285);--line:oklch(1 0 0/.08);--line-strong:oklch(1 0 0/.16);--accent:oklch(.74 .13 285);--accent-hover:oklch(.79 .12 285);--accent-soft:oklch(.74 .13 285/.16);--on-accent:oklch(.2 .04 285);--mine:oklch(.42 .13 285);--on-mine:oklch(.97 .01 285);--theirs:oklch(.27 .02 285);--ok:oklch(.75 .14 155);--warn:oklch(.8 .13 75);--danger:oklch(.7 .16 25);--danger-soft:oklch(.7 .16 25/.14);--shadow:0 0 0 1px oklch(1 0 0/.06),0 8px 24px oklch(0 0 0/.35)}}*,*:before,*:after{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;min-height:100%;margin:0;font-size:16px;line-height:1.5}#app{min-height:100dvh}h1,h2,h3{letter-spacing:-.01em;text-wrap:balance;margin:0;line-height:1.2}h1{font-size:clamp(1.6rem,1.1rem + 2.4vw,2.6rem);font-weight:700}h2{font-size:1.1rem;font-weight:650}h3{font-size:.95rem;font-weight:650}p{text-wrap:pretty;margin:0}a{color:var(--accent)}code,.id{font-family:var(--mono);word-break:break-all;font-size:.85em}.icon{flex:none}.faint{color:var(--faint)}.small{font-size:.85rem}.hint{color:var(--muted);font-size:.9rem}.error{color:var(--danger);font-size:.92rem}.ok{color:var(--ok)}.center{text-align:center;justify-content:center;align-items: center}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.page{padding:calc(16px + var(--safe-top))16px calc(32px + var(--safe-bottom));display:flex;flex-direction:column;gap:20px;max-width:980px;margin:0 auto}.page.narrow{max-width:560px}.page.center{display:flex;justify-content:center;min-height:100dvh}.topbar{display:grid;grid-template-columns:auto 1fr auto;min-height:var(--tap);align-items: center;gap:12px}.topbar .title{text-align:center;font-size:1.15rem}.brand{display:flex;grid-column:1/3;align-items: center;gap:10px}.wordmark{letter-spacing:-.03em;font-size:1.3rem;font-weight:750}.stack{display:flex;flex-direction:column;gap:14px}.row{display:flex;flex-wrap:wrap;align-items: center;gap:10px}.row.center{justify-content:center}.row-between{display:flex;flex-wrap:wrap;justify-content:space-between;align-items: center;gap:12px}.card{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:20px}.icon-title{display:flex;color:var(--accent);align-items: center;gap:10px}.icon-title h2{color:var(--text)}.home .hero{display:flex;flex-direction:column;gap:18px;max-width:40rem;padding:clamp(24px,8vw,72px) 0 8px}.lead{color:var(--muted);max-width:36rem;font-size:1.08rem}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}.tile{all:unset;cursor:pointer;display:flex;border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);transition:transform .12s var(--ease);align-items: center;gap:10px;padding:16px 18px;font-weight:550}.tile:hover{transform:translateY(-1px)}.tile:focus-visible{outline:2px solid var(--accent)}.tile .icon:first-child{color:var(--accent)}.count{background:var(--accent);color:var(--on-accent);display:inline-grid;border-radius:999px;place-items: center;min-width:22px;height:22px;margin-left:auto;padding:0 7px;font-size:.78rem;font-weight:700}.facts{list-style:none;display:flex;color:var(--muted);flex-wrap:wrap;gap:8px 22px;margin:0;padding:0;font-size:.88rem}.facts li{display:flex;align-items: center;gap:8px}.footer{display:flex;color:var(--faint);justify-content:center;gap:10px;margin-top:auto;font-size:.88rem}.btn{appearance:none;border:1px solid var(--line-strong);background:var(--surface);color:var(--text);font:inherit;min-height:var(--tap);display:inline-flex;cursor:pointer;text-decoration:none;transition:background .12s var(--ease),border-color .12s var(--ease),transform 80ms var(--ease);border-radius:999px;justify-content:center;align-items: center;gap:8px;padding:0 16px;font-size:.95rem;font-weight:600}.btn:hover{background:var(--surface-2)}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:var(--on-accent);border-color:#0000}.btn-primary:hover{background:var(--accent-hover)}.btn-ghost{background:0 0;border-color:#0000}.btn-ghost:hover{background:var(--surface-2)}.btn-danger{background:var(--danger);color:oklch(.99 0 0);border-color:#0000}.btn-danger:hover{background:oklch(from var(--danger)calc(l - .05)c h)}.btn-danger-ghost{color:var(--danger);background:0 0;border-color:#0000}.btn-danger-ghost:hover{background:var(--danger-soft)}.btn-large{min-height:52px;padding:0 22px;font-size:1rem}.btn-small{min-height:34px;padding:0 12px;font-size:.87rem}.btn-icon{width:var(--tap);padding:0}.field{display:flex;border:0;flex-direction:column;gap:6px;margin:0;padding:0}.field>span,.field>legend{font-size:.92rem;font-weight:600}input[type=text],input[type=password],select,textarea{font:inherit;color:inherit;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-sm);min-height:var(--tap);width:100%;padding:11px 12px}textarea{resize:vertical}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}fieldset.field input+input{margin-top:6px}.check{display:flex;cursor:pointer;align-items: flex-start;gap:12px}.check input{accent-color:var(--accent);flex:none;width:20px;height:20px;margin-top:2px}.check span{display:flex;flex-direction:column;gap:2px}.segmented{display:grid;grid-template-columns:1fr 1fr;background:var(--surface-2);border:0;border-radius:999px;gap:6px;margin:0;padding:5px}.segmented label{display:flex;cursor:pointer;color:var(--muted);border-radius:999px;justify-content:center;align-items: center;gap:8px;min-height:40px;font-weight:600}.segmented label.on{background:var(--surface);color:var(--text);box-shadow:var(--shadow)}.segmented input{position:absolute;opacity:0;pointer-events:none}.callout{background:var(--accent-soft);border-radius:var(--radius);padding:12px 14px;font-size:.92rem}.callout.warn{background:var(--warn-soft)}.banner{position:sticky;z-index:10;display:flex;background:var(--accent);color:var(--on-accent);justify-content:center;align-items: center;gap:12px;padding:8px 16px;font-size:.92rem;top:0}.spinner{border:2px solid var(--line-strong);border-top-color:var(--accent);animation:.9s linear infinite spin;border-radius:50%;flex:none;width:14px;height:14px}@keyframes spin{to{transform:rotate(360deg)}}.status-line{display:flex;color:var(--muted);justify-content:center;align-items: center;gap:10px}.meta{display:flex;color:var(--muted);flex-wrap:wrap;justify-content:center;align-items: center;gap:6px;font-size:.88rem}.share{display:flex;text-align:center;flex-direction:column;align-items: center;gap:14px}.qr-wrap{border-radius:var(--radius);box-shadow:var(--shadow);background:#fff;max-width:100%;padding:12px;line-height:0}.qr{max-width:100%;height:auto}.link-text{display:block;font-family:var(--mono);color:var(--muted);word-break:break-all;user-select:all;border-radius:var(--radius-sm);background:var(--surface-2);max-width:100%;padding:10px 12px;font-size:.78rem}.manual-toggle{align-self: center}.manual .code{font-family:var(--mono);font-size:.72rem}.scanner{display:flex;flex-direction:column;align-items: center;gap:12px}.scanner-frame{position:relative;aspect-ratio:1;border-radius:var(--radius);overflow:hidden;background:#000;width:100%;max-width:360px}.scanner-frame video{object-fit:cover;width:100%;height:100%}.scanner-reticle{position:absolute;border:3px solid oklch(1 0 0/.85);border-radius:18px;inset:16%}.chat{display:grid;grid-template-rows:auto 1fr auto;max-width:820px;height:100dvh;margin:0 auto}.chat-head{display:flex;padding:calc(8px + var(--safe-top))12px 8px;border-bottom:1px solid var(--line);background:var(--bg);align-items: center;gap:8px}.chat-title{flex:1;min-width:0}.chat-title h1{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:1.05rem}.chat-sub{display:flex;flex-wrap:wrap;align-items: center;gap:8px;font-size:.8rem}.peer-badge{display:inline-flex;color:var(--muted);align-items: center;gap:5px;font-weight:600}.peer-badge .dot,.dot{background:var(--faint);border-radius:50%;flex:none;width:8px;height:8px}.peer-badge.direct .dot,.dot.on,.online .dot{background:var(--ok)}.peer-badge.relay .dot{background:var(--warn)}.verified{display:inline-flex;color:var(--ok);align-items: center;gap:3px;margin-left:4px}.ttl{position:relative;display:inline-flex;color:var(--muted);align-items: center;gap:4px}.ttl select{background:0 0;border-color:#0000;width:auto;min-height:34px;padding:4px 8px;font-size:.85rem}.menu{position:absolute;right:12px;top:calc(64px + var(--safe-top));z-index:5;display:flex;flex-direction:column;min-width:240px;padding:6px}.menu-item{all:unset;cursor:pointer;display:flex;border-radius:var(--radius-sm);align-items: center;gap:10px;padding:12px;font-weight:550}.menu-item:hover{background:var(--surface-2)}.menu-item:focus-visible{background:var(--surface-2)}.chat-body{overflow-y:auto;display:flex;overscroll-behavior:contain;flex-direction:column;gap:14px;padding:16px}.waiting{display:flex;flex-direction:column;gap:18px;padding:8px 0}.verify{display:flex;border:1px solid var(--accent-soft);flex-direction:column;gap:14px}.sas{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin:0;padding:0}.sas li{display:flex;border-radius:var(--radius);background:var(--surface-2);flex-direction:column;align-items: center;gap:2px;padding:10px 2px}.sas-emoji{font-size:clamp(1.7rem,1.2rem + 2vw,2.3rem);line-height:1.1}.sas-name{color:var(--muted);text-align:center;font-size:.72rem}.notice{display:inline-flex;color:var(--faint);text-align:center;list-style:none;align-self: center;align-items: center;gap:6px;font-size:.8rem}.messages{list-style:none;display:flex;flex-direction:column;gap:6px;margin:0;padding:0}.msg{display:flex;flex-direction:column;align-items: flex-start;max-width:82%}.msg.mine{align-self: flex-end;align-items: flex-end}.author{color:var(--accent);margin:0 12px 2px;font-size:.76rem;font-weight:650}.bubble{position:relative;background:var(--theirs);border-radius:18px 18px 18px 6px;min-width:64px;padding:8px 12px 6px}.mine .bubble{background:var(--mine);color:var(--on-mine);border-radius:18px 18px 6px}.text{white-space:pre-wrap;overflow-wrap:anywhere}.when{display:flex;opacity:.65;justify-content:flex-end;align-items: center;gap:3px;margin-top:2px;font-size:.68rem}.composer{display:flex;padding:10px 12px calc(10px + var(--safe-bottom));border-top:1px solid var(--line);background:var(--bg);align-items: flex-end;gap:6px}.composer textarea{resize:none;field-sizing:content;border-radius:22px;flex:1;max-height:160px;padding:11px 16px}.file-card{display:flex;flex-direction:column;gap:8px;min-width:220px}.file-preview{object-fit:contain;border-radius:12px;max-width:100%;max-height:320px}.file-row{display:flex;align-items: center;gap:10px}.file-meta{display:flex;flex-direction:column;flex:1;min-width:0}.file-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}.mine .file-card .faint{color:inherit;opacity:.75}.progress{display:flex;flex-direction:column;gap:4px}.progress progress{accent-color:var(--accent);width:100%}.ended{gap:18px}.badge-circle{display:grid;background:var(--ok-soft);color:var(--ok);border-radius:50%;place-items: center;width:72px;height:72px}.badge-circle.warn{background:var(--warn-soft);color:var(--warn)}.contacts{list-style:none;margin:0;padding:6px}.contact{display:flex;border-radius:var(--radius);align-items: flex-start;gap:4px}.contact+.contact{border-top:1px solid var(--line)}.contact-main{all:unset;display:flex;cursor:pointer;border-radius:var(--radius-sm);flex:1;align-items: center;gap:12px;min-width:0;padding:14px 12px}.contact-main:disabled{cursor:default}.contact-main:not(:disabled):hover{background:var(--surface-2)}.contact-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;font-weight:600}.contact-more{padding:10px 6px}.contact-more summary{list-style:none;cursor:pointer;color:var(--muted);border-radius:8px;padding:6px}.contact-more[open]{flex-basis:100%}.id.big{border-radius:var(--radius-sm);background:var(--surface-2);user-select:all;padding:10px 12px;font-size:.95rem}.transport-status{list-style:none;display:flex;color:var(--muted);flex-wrap:wrap;gap:14px;margin:0;padding:0;font-size:.85rem}.transport-status li{display:flex;align-items: center;gap:6px}.transport-status .online .dot{background:var(--ok)}.transport-status .error .dot{background:var(--danger)}@media (max-width:520px){.chat-head{gap:4px}.chat-head .ttl select{max-width:72px;padding:4px}.chat-head .e2e-note{display:none}.card{padding:16px}.msg{max-width:90%}}@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms;transition-duration:.01ms}}