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button:disabled{cursor:not-allowed;opacity:.55}.chip-cloud{flex-wrap:wrap;gap:8px;display:flex}.mode-toggle{background:var(--bg-sunken);border-radius:15px;grid-template-columns:1fr 1fr;gap:6px;padding:5px;display:grid}.mode-toggle button{min-height:48px;color:var(--ink-soft);background:0 0;border:none;border-radius:11px;justify-content:center;align-items:center;gap:9px;padding:12px 10px;font-size:15px;font-weight:550;transition:all .18s;display:flex}.mode-toggle button[aria-pressed=true]{background:var(--bg-raised);color:var(--ink);box-shadow:0 1px 4px #140c281f,inset 0 0 0 1.5px var(--accent);font-weight:650}.toast{z-index:90;background:var(--ink);color:var(--bg);box-shadow:var(--shadow-pop);animation:toastIn .3s var(--ease-spring) both;text-align:center;border-radius:999px;max-width:calc(100vw - 40px);padding:12px 20px;font-size:14px;font-weight:550;position:fixed;bottom:28px;left:50%;transform:translate(-50%)}@keyframes toastIn{0%{opacity:0;transform:translate(-50%)translateY(10px)}to{opacity:1;transform:translate(-50%)}}.search-stage{aspect-ratio:1.05;width:100%;max-width:420px;margin:0 auto;position:relative}.search-status{text-align:center;justify-items:center;gap:6px;display:grid}.search-status h2{letter-spacing:-.01em;font-size:24px;font-weight:700}.search-status .sig b{color:var(--accent);font-weight:600}.vs-you,.vs-them{aspect-ratio:1;border-radius:50%;place-items:center;width:56%;display:grid;position:absolute;top:50%}.vs-you{background:oklch(.63 .175 var(--a1-h,35) / .5);mix-blend-mode:multiply;left:4%;transform:translateY(-50%)}.vs-them{background:oklch(.56 .16 var(--a2-h,295) / .5);mix-blend-mode:multiply;right:4%;transform:translateY(-50%)}html[data-theme=dark] .vs-you{background:oklch(.74 .155 var(--a1-h,35) / .38);mix-blend-mode:screen}html[data-theme=dark] .vs-them{background:oklch(.72 .13 var(--a2-h,295) / .38);mix-blend-mode:screen}.vs-label{font-family:var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-faint);font-size:11px;position:absolute;top:81%}.vs-label-you{left:12%}.vs-label-them{right:12%}@media(prefers-reduced-motion:no-preference){.vs-them.vs-seeking{animation:3.2s ease-in-out infinite seek}@keyframes seek{0%{opacity:.25;transform:translateY(-50%)translate(34%)scale(.92)}45%{opacity:.85;transform:translateY(-50%)translate(6%)scale(1)}65%{opacity:.7;transform:translateY(-50%)translate(10%)}to{opacity:.25;transform:translateY(-50%)translate(34%)scale(.92)}}}.vs-matched .vs-them{animation:lockIn .7s var(--ease-spring) forwards}.vs-matched .vs-you{animation:lockYou .7s var(--ease-spring) forwards}@keyframes lockIn{to{opacity:1;transform:translateY(-50%)translate(-9%)}}@keyframes lockYou{to{transform:translateY(-50%)translate(9%)}}.vs-chips{z-index:3;pointer-events:none;position:absolute;inset:0}.vs-chips .venn-chip{transition:all .8s var(--ease-spring)}.sonar-ring{border:1.5px solid var(--accent);opacity:0;border-radius:50%;width:60px;height:60px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}@media(prefers-reduced-motion:no-preference){.sonar-ring{animation:3s ease-out infinite sonar}@keyframes sonar{0%{opacity:.8;width:60px;height:60px}to{opacity:0;width:105%;height:105%}}}.sonar-core{background:var(--accent);z-index:2;width:56px;height:56px;box-shadow:0 0 0 8px var(--accent-soft);border-radius:50%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.sonar-blip{background:var(--accent-2);opacity:0;border-radius:50%;width:13px;height:13px;position:absolute}@media(prefers-reduced-motion:no-preference){.sonar-blip{animation:3s ease-in-out infinite blip}@keyframes blip{0%,to{opacity:0;transform:scale(.5)}40%,60%{opacity:.9;transform:scale(1)}}}.const-star{background:var(--ink-faint);border-radius:50%;position:absolute}@media(prefers-reduced-motion:no-preference){.const-star{animation:3.4s ease-in-out infinite twinkle}@keyframes twinkle{0%,to{opacity:.25}50%{opacity:.9}}}.const-you,.const-them{z-index:2;border-radius:50%;width:17px;height:17px;position:absolute}.const-you{background:var(--accent);box-shadow:0 0 18px oklch(.63 .175 var(--a1-h,35) / .8)}.const-them{background:var(--accent-2);box-shadow:0 0 18px oklch(.56 .16 var(--a2-h,295) / .8)}@media(prefers-reduced-motion:no-preference){.const-you{animation:6s ease-in-out infinite driftA}.const-them{animation:6s ease-in-out infinite driftB}@keyframes driftA{0%,to{transform:translate(0)}50%{transform:translate(26px,-14px)}}@keyframes driftB{0%,to{transform:translate(0)}50%{transform:translate(-26px,14px)}}}.const-line{background:linear-gradient(90deg,var(--accent),var(--accent-2));transform-origin:0;opacity:.55;z-index:1;height:1.5px;position:absolute}.chat-screen{flex-direction:column;width:100%;max-width:760px;height:100%;min-height:0;margin:0 auto;display:flex;overflow:hidden}html[data-theme=light]{--star-c:oklch(30% .035 295/.14)}html[data-theme=dark]{--star-c:oklch(93% .012 84/.15)}.chat-head{border-bottom:none;flex-wrap:wrap;flex:none;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;display:flex;position:relative}.chat-head:after{content:"";background:linear-gradient(90deg,var(--accent) 0%,var(--accent-2) 45%,transparent 94%);opacity:.55;height:1.5px;position:absolute;bottom:0;left:0;right:0}.chat-peer{align-items:center;gap:12px;min-width:0;display:flex}.chat-avatar{width:42px;height:42px;font-family:var(--font-display);background:var(--accent-2-soft);color:var(--accent-2);box-shadow:0 0 0 2px var(--bg),0 0 0 3.5px var(--accent-2),0 0 16px var(--accent-2);border-radius:50%;flex:none;place-items:center;font-size:17px;font-weight:700;display:grid}@supports (color:color-mix(in lab,red,red)){.chat-avatar{box-shadow:0 0 0 2px var(--bg),0 0 0 3.5px var(--accent-2),0 0 16px color-mix(in oklab,var(--accent-2) 35%,transparent)}}.chat-peer-meta{gap:3px;min-width:0;display:grid}.chat-peer-name{font-family:var(--font-mono);letter-spacing:.01em;align-items:center;gap:7px;font-size:14.5px;font-weight:600;display:flex}.chat-shared{flex-wrap:wrap;gap:6px;display:flex}.chat-actions{gap:8px;display:flex}.chat-actions .btn{min-height:40px;padding:9px 18px;font-size:14px}.chat-quick{flex:none;gap:7px;display:flex}.chat-quick .btn{border-radius:16px;min-height:48px;padding:0 16px;font-size:14px}.btn-skip{background:var(--accent-soft);color:var(--ink);border:none;font-weight:600}.btn-skip:hover{background:var(--accent);color:var(--on-accent)}.btn-stop{border:1.5px solid var(--line-strong);color:var(--ink-soft);background:0 0}.btn-stop:hover{color:#d74745;border-color:#d74745}.chat-log{background-image:radial-gradient(620px 240px at 50% -80px,var(--accent),transparent 72%),radial-gradient(circle 1.3px at 22% 31%,var(--star-c) 99%,transparent),radial-gradient(circle 1.7px at 71% 12%,var(--star-c) 99%,transparent),radial-gradient(circle 1px at 48% 67%,var(--star-c) 99%,transparent),radial-gradient(circle 1.5px at 87% 54%,var(--star-c) 99%,transparent),radial-gradient(circle 1.1px at 9% 82%,var(--star-c) 99%,transparent);flex-direction:column;flex:1;gap:4px;min-height:0;padding:20px 16px 12px;display:flex;overflow-y:auto}@supports (color:color-mix(in lab,red,red)){.chat-log{background-image:radial-gradient(620px 240px at 50% -80px,color-mix(in oklab,var(--accent) 7%,transparent),transparent 72%),radial-gradient(circle 1.3px at 22% 31%,var(--star-c) 99%,transparent),radial-gradient(circle 1.7px at 71% 12%,var(--star-c) 99%,transparent),radial-gradient(circle 1px at 48% 67%,var(--star-c) 99%,transparent),radial-gradient(circle 1.5px at 87% 54%,var(--star-c) 99%,transparent),radial-gradient(circle 1.1px at 9% 82%,var(--star-c) 99%,transparent)}}.chat-log{background-repeat:no-repeat,repeat,repeat,repeat,repeat,repeat;background-size:100% 100%,280px 240px,320px 280px,260px 300px,300px 260px,340px 320px}.chat-day{align-self:center;align-items:center;gap:10px;margin:6px 0 14px;display:flex}.chat-day:before,.chat-day:after{content:"";border-radius:50%;flex:none;width:7px;height:7px}.chat-day:before{background:var(--accent);box-shadow:0 0 9px var(--accent)}.chat-day:after{background:var(--accent-2);box-shadow:0 0 9px var(--accent-2)}.msg-row{max-width:78%;display:flex}.msg-me{justify-content:flex-end;align-self:flex-end}.msg-them{align-self:flex-start}.bubble{animation:bubbleIn .3s var(--ease-spring) both;overflow-wrap:anywhere;border-radius:20px;padding:11px 16px;font-size:15.5px;line-height:1.45}@media(prefers-reduced-motion:reduce){.bubble{animation:none}}@keyframes bubbleIn{0%{opacity:0;transform:translateY(8px)scale(.96)}to{opacity:1;transform:none}}.msg-me .bubble{background:var(--accent);color:var(--on-accent);box-shadow:0 4px 16px oklch(.63 .175 var(--a1-h,35) / .24);border-bottom-right-radius:7px}.msg-them .bubble{background:var(--accent-2)}@supports (color:color-mix(in lab,red,red)){.msg-them .bubble{background:color-mix(in oklab,var(--accent-2) 5%,var(--bubble-partner))}}.msg-them .bubble{color:var(--ink);border:1.5px solid var(--accent-2);border-bottom-left-radius:7px}@supports (color:color-mix(in lab,red,red)){.msg-them .bubble{border:1.5px solid color-mix(in oklab,var(--accent-2) 14%,transparent)}}.msg-sys{text-align:center;color:var(--ink-faint);align-self:center;max-width:90%;margin:10px 0;font-size:12.5px}.typing{align-items:center;gap:5px;padding:14px 17px;display:inline-flex}.typing i{background:var(--accent-2);opacity:.8;border-radius:50%;width:7px;height:7px}@media(prefers-reduced-motion:no-preference){.typing i{animation:1.2s ease-in-out infinite typeBounce}.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}@keyframes typeBounce{0%,60%,to{opacity:.5;transform:none}30%{opacity:1;transform:translateY(-5px)}}}.chat-input-bar{padding:10px 16px calc(12px + env(safe-area-inset-bottom));border-top:1.5px solid var(--line);flex:none;align-items:flex-end;gap:9px;display:flex}.chat-input{resize:none;border:1.5px solid var(--line-strong);background:var(--bg-raised);color:var(--ink);font-size:16px;font-family:var(--font-body);border-radius:22px;flex:1;min-height:48px;max-height:120px;padding:12px 18px;line-height:1.4}.chat-input:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);outline:none}.send-btn{background:var(--accent);width:48px;height:48px;color:var(--on-accent);box-shadow:0 4px 14px oklch(.63 .175 var(--a1-h,35) / .32);transition:transform .15s var(--ease-spring),opacity .2s;border:none;border-radius:50%;flex:none;place-items:center;display:grid}.send-btn:disabled{opacity:.35;cursor:default}.send-btn:not(:disabled):hover{transform:scale(1.06)}.send-btn:not(:disabled):active{transform:scale(.93)}.reconnect-banner{background:var(--accent-soft);color:var(--ink);flex:none;justify-content:center;align-items:center;gap:10px;padding:9px 16px;font-size:13.5px;font-weight:550;display:flex}.spin{border:2px solid var(--ink-faint);border-top-color:var(--accent);border-radius:50%;flex:none;width:14px;height:14px}@media(prefers-reduced-motion:no-preference){.spin{animation:.9s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}}.inter-screen{text-align:center;align-content:center;justify-items:center;gap:26px;width:100%;max-width:460px;margin:0 auto;padding:32px 20px;display:grid}.inter-screen h2{letter-spacing:-.015em;font-size:26px;font-weight:700}.inter-count{font-family:var(--font-display);color:var(--accent);min-height:60px;font-size:56px;font-weight:750;line-height:1;display:block}.inter-count span{animation:countPop .5s var(--ease-spring);display:inline-block}@keyframes countPop{0%{opacity:0;transform:scale(1.5)}to{opacity:1;transform:scale(1)}}.state-screen{text-align:center;align-content:center;justify-items:center;gap:18px;width:100%;max-width:440px;margin:0 auto;padding:40px 20px;display:grid}.state-screen h2{font-size:25px;font-weight:700}.state-screen p{color:var(--ink-soft);max-width:38ch;font-size:15px}.state-glyph{width:76px;height:54px;margin-bottom:4px;position:relative}.state-glyph i{border-radius:50%;width:54px;height:54px;display:block;position:absolute;top:0}.state-glyph i:first-child{background:var(--accent-soft);border:2px solid var(--accent);left:0}.state-glyph i:last-child{border:2px dashed var(--line-strong);background:0 0;right:0}.state-row{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.page-main{gap:18px;max-width:760px;margin:0 auto;padding:40px 20px 70px;display:grid}.page-main h1{letter-spacing:-.025em;margin-bottom:6px;font-size:clamp(31px,5vw,44px);font-weight:730}.page-main h2{margin-top:26px;font-size:23px;font-weight:680}.page-main p,.page-main li{color:var(--ink-soft);font-size:15.5px}.page-main ul{gap:7px;margin:0;padding-left:22px;display:grid}.page-main .lede{color:var(--ink);font-size:18px}.page-updated{margin-bottom:8px}.page-cta{border:1.5px solid var(--accent);border-radius:var(--radius-l);background:var(--bg-raised);justify-items:start;gap:13px;margin-top:30px;padding:26px;display:grid}.compare-table{border-collapse:collapse;border:1.5px solid var(--line);border-radius:var(--radius-m);width:100%;font-size:14.5px;overflow:hidden}.compare-table th,.compare-table td{text-align:left;border-bottom:1px solid var(--line);padding:12px 14px}.compare-table th{background:var(--bg-sunken);font-family:var(--font-mono);letter-spacing:.09em;text-transform:uppercase;color:var(--ink-faint);font-size:11px}.compare-table td{color:var(--ink-soft)}.compare-table .hl{background:var(--accent-soft);color:var(--ink);font-weight:600}.hist-card{border:1.5px solid var(--line);background:var(--bg-raised);border-radius:14px;overflow:hidden}.hist-card-header{cursor:pointer;text-align:left;width:100%;color:var(--ink);background:0 0;border:none;align-items:flex-start;gap:12px;padding:12px 14px;display:flex}.hist-card-header:hover{background:var(--accent-soft)}.hist-avatar{width:36px;height:36px;font-family:var(--font-display);background:var(--accent-2-soft);color:var(--accent-2);border-radius:50%;flex:none;place-items:center;font-size:15px;font-weight:700;display:grid}.hist-meta{flex:1;min-width:0}.hist-name{font-family:var(--font-mono);font-size:13.5px;font-weight:600}.hist-right{flex-direction:column;flex:none;align-items:flex-end;gap:2px;display:flex}.hist-reason{background:var(--bg-sunken);color:var(--ink-faint);border-radius:99px;padding:2px 7px;font-size:10.5px;font-weight:600}.hist-log{border-top:1px solid var(--line);flex-direction:column;gap:4px;max-height:300px;padding:10px 14px 14px;display:flex;overflow-y:auto}.chat-log::-webkit-scrollbar{width:9px}.app-body::-webkit-scrollbar{width:9px}.chat-log::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:99px}.app-body::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:99px}@media(max-width:700px){.hero{gap:28px;padding-top:28px}.hero-venn{min-height:0}.section{padding:42px 18px}.site-footer .foot-in{padding:30px 18px}}@media(max-width:460px){.app-top{padding:10px 12px}.app-top .app-online{display:none}.screen-pad{gap:20px;padding:20px 16px 36px}.chat-head{padding:10px 12px}.chat-avatar{width:38px;height:38px;font-size:15px}.chat-log{padding:16px 12px 10px}.msg-row{max-width:86%}.chat-input-bar{padding:8px 10px calc(10px + env(safe-area-inset-bottom));gap:7px}.chat-quick{gap:6px}.chat-quick .btn{padding:0 12px;font-size:13px}.chat-input{padding:12px 14px}.search-status h2{font-size:21px}.inter-screen h2,.state-screen h2{font-size:22px}.inter-count{font-size:46px}.btn-big{padding:15px 28px;font-size:16.5px}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@keyframes spin{to{transform:rotate(360deg)}}