:root{--paper:#f5f7f5;--surface:#fff;--ink:#162a2b;--muted:#586b69;--line:#dbe4df;--accent:#086c5c;--accent-hover:#07594d;--soft:#edf5f0;--amber:#815421;--red:#a43a39;--mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;--font:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:var(--font);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}[hidden]{display:none!important}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #89c6b3;outline-offset:3px}.brand{display:flex;align-items:center;gap:10px;font-weight:650;font-size:17px;letter-spacing:-.4px}.brand img{border-radius:9px}.brand-divider{margin:0 9px;color:#adbab1;font-weight:400}.brand-light{font-weight:450;color:var(--muted)}.login-view{min-height:100dvh;padding:44px max(24px,env(safe-area-inset-left));display:flex;flex-direction:column;align-items:center}.login-view>.brand{align-self:flex-start;margin-left:max(0px,calc((100vw - 1120px)/2))}.pair-card{width:min(440px,100%);margin:auto;padding:35px 0}.pair-art{display:flex;align-items:center;gap:15px;height:82px;margin-bottom:33px}.computer-shape{width:94px;height:62px;border:2px solid var(--ink);border-radius:9px;background:#edf3ee;position:relative;display:flex;align-items:center;gap:6px;padding:14px}.computer-shape:after{content:"";position:absolute;width:38px;height:2px;background:var(--ink);bottom:-8px;left:25px}.computer-shape span{display:block;width:5px;border-radius:3px;background:var(--accent);height:18px}.computer-shape span:nth-child(2){height:28px}.computer-shape span:nth-child(3){height:12px}.connection-line{height:1px;width:52px;background:#9aada2;position:relative}.connection-line:after{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);position:absolute;left:24px;top:-3px;box-shadow:0 0 0 6px #e7eee7}.phone-shape{width:37px;height:65px;border:2px solid var(--ink);border-radius:8px;background:white;position:relative}.phone-shape span{position:absolute;width:12px;height:2px;bottom:5px;left:10px;background:var(--ink)}.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:1.4px;color:var(--accent);margin-bottom:15px}.pair-card h1{font-size:30px;line-height:1.55;letter-spacing:-1px;margin:0 0 15px;font-weight:650}.pair-copy{font-size:15px;line-height:1.85;color:var(--muted);margin-bottom:31px}label{display:block;font-size:13px;font-weight:600;margin-bottom:9px}#pair-code{width:100%;height:57px;letter-spacing:4px;border:1px solid #bacbc2;border-radius:11px;padding:0 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var(--line);display:flex;flex-direction:column;overflow:hidden;padding:0 20px}.side-header{display:flex;justify-content:space-between;align-items:center;height:80px;flex-shrink:0}.icon-button{border:0;background:transparent;color:var(--muted);height:38px;min-width:38px;border-radius:9px;font-size:25px;line-height:1}.icon-button:hover{background:#e7ede7;color:var(--ink)}.host-card{display:flex;align-items:center;gap:13px;padding:14px 13px;border:1px solid var(--line);border-radius:12px;background:#fcfdfb;margin-bottom:25px}.host-symbol{font-size:26px;color:#345851}.host-description{display:flex;flex-direction:column;gap:5px;min-width:0;flex:1}.host-description strong{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.host-description span{font-size:11px;color:var(--muted)}.connection-dot{height:8px;width:8px;border-radius:100%;background:#9cab9f;flex-shrink:0}.connection-dot.online{background:var(--accent);box-shadow:0 0 0 4px 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.conversation{display:flex}.back-button{display:block;margin-left:-7px}.chat-header{min-height:74px;padding:15px 17px;padding-top:max(15px,env(safe-area-inset-top))}.chat-heading h2{font-size:15px}.chat-meta{font-size:10px;gap:9px}.chat-scroll{padding:24px 21px}.message-text{font-size:14px}.composer{padding:12px 16px max(16px,env(safe-area-inset-bottom))}.compose-foot{font-size:9px}.connection-banner{padding:10px 20px;font-size:11px}.list-caption{font-size:11px}.list-caption #list-updated{font-size:10px}.search-box{height:44px}.search-box input{font-size:13px}.chat-placeholder{padding:25px}}@media(max-width:420px){.login-view{padding-top:28px}.pair-card{padding-block:29px}.pair-card h1{font-size:27px;letter-spacing:-.7px}.pair-art{margin-bottom:25px}.pair-copy{font-size:14px}.brand{font-size:16px}.login-footer{margin-top:10px}.compose-foot span:last-child{display:none}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}