:root{color-scheme:light;--ink:#172238;--muted:#68768b;--line:#e3e8ee;--blue:#1949d8;--bg:#f6f8fb}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.shell{min-height:100vh;display:grid;grid-template-columns:248px minmax(0,1fr)}
.rail{background:#101b35;color:#eaf0ff;padding:29px 23px;display:flex;flex-direction:column}
.mark{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:750;letter-spacing:-.03em}.mark-icon{display:grid;place-items:center;width:32px;height:32px;background:#5276ff;color:white;border-radius:9px;font-weight:800}
.rail-title{margin:48px 0 12px;font-size:11px;letter-spacing:.16em;color:#94a6ca}.steps{display:grid;gap:7px}.steps div{padding:11px 12px;border-radius:8px;color:#cfdaef}.steps div:first-child{background:#253557;color:white}.steps span{display:inline-block;width:28px;color:#8fa7e7;font-size:11px;font-weight:700}
.rail-note{margin-top:auto;border-top:1px solid #34425e;padding-top:19px;color:#aebdd8;font-size:12px;line-height:1.7}
.main{min-width:0}.topbar{height:64px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 38px;background:#fff;color:var(--muted);font-size:12px}.topbar>div:first-child{color:#30415d;font-weight:650}.live-dot{display:inline-block;width:7px;height:7px;background:#1fb579;border-radius:50%;margin-right:8px}
.chat{max-width:850px;margin:0 auto;padding:51px 28px 36px}.hero{margin-bottom:35px}.eyebrow{color:#4169d8;letter-spacing:.18em;font-size:11px;font-weight:800}.hero h1{font-size:clamp(31px,4.1vw,50px);line-height:1.15;letter-spacing:-.055em;margin:15px 0 16px}.hero em{font-style:normal;color:var(--blue)}.hero p{max-width:590px;color:var(--muted);margin:0}
.messages{display:grid;gap:16px;margin-bottom:22px}.bubble{padding:20px 23px;border-radius:15px;max-width:760px;border:1px solid var(--line);box-shadow:0 2px 12px #16234507;background:white}.bubble.user{justify-self:end;background:#eaf0ff;border-color:#d8e2ff;max-width:620px}.bubble-label{color:#3c61c7;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px}.bubble.user .bubble-label{color:#52617c}.bubble p{margin:7px 0}.bubble p:last-child{margin-bottom:0}.bubble blockquote{margin:12px 0;padding:10px 14px;border-left:3px solid #6c8afa;background:#f4f7ff;color:#3d4c6a;border-radius:0 8px 8px 0}.bubble code{background:#f0f3f8;padding:1px 5px;border-radius:4px;overflow-wrap:anywhere}.bubble a{color:var(--blue)}
.composer{background:white;border:1px solid #d8e0ea;border-radius:15px;padding:16px;box-shadow:0 8px 28px #283b5d0d}.composer:focus-within{border-color:#88a3ef;box-shadow:0 0 0 3px #cfddff99}.composer textarea{width:100%;border:0;resize:vertical;min-height:88px;outline:none;font:inherit;color:var(--ink)}.composer textarea::placeholder{color:#9aa6b8}.composer-bottom{display:flex;align-items:center;justify-content:space-between;gap:15px}.platforms{display:flex;gap:15px;color:#54647b;font-size:13px}.platforms label{white-space:nowrap;cursor:pointer}.platforms input{accent-color:var(--blue);vertical-align:middle}.composer button{border:0;border-radius:9px;background:var(--blue);color:white;padding:10px 17px;font:700 13px/1.2 inherit;cursor:pointer;white-space:nowrap}.composer button:hover{background:#123cb4}.composer button:disabled{background:#a9b6d8;cursor:default}.composer button span{font-size:16px;margin-left:7px}.footnote{color:#8b97a7;font-size:11px;margin:12px 3px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.status{color:#52627a;font-size:13px;margin-top:11px}.status strong{color:#234ad1}.question-list{padding-left:20px;color:#47566d}.question-list li{padding:3px 0}
.setup-bar{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin:0 0 14px;color:#617089;font-size:12px}.setup-bar button{border:1px solid #cad6eb;background:#fff;color:#3452a3;border-radius:7px;padding:6px 10px;cursor:pointer;font:inherit}.setup-bar button:hover{background:#eef3ff}.setup-bar small{flex-basis:100%;color:#52627a}
.resume-button{border:1px solid #bfcfee;background:#f5f8ff;color:#244cb2;border-radius:8px;padding:8px 12px;cursor:pointer;font:700 12px/1.3 inherit}.resume-button:disabled{opacity:.6;cursor:default}
@media(max-width:780px){.shell{display:block}.rail{padding:14px 20px}.mark{font-size:17px}.rail-title,.steps,.rail-note{display:none}.topbar{height:49px;padding:0 20px}.topbar>div:last-child{display:none}.chat{padding:35px 18px}.hero h1{font-size:32px}.composer-bottom{align-items:flex-start;flex-direction:column}.composer button{align-self:flex-end}}
.result-card{margin-top:18px;padding:18px;border-radius:12px;background:#f0f5ff;border:1px solid #d7e3ff}.result-card strong{font-size:36px;color:#234ad1}.result-card small{color:#617089}details{margin-top:12px}summary{cursor:pointer;color:#3452a3}

.composer{margin-bottom:16px}.composer label{display:block;font-weight:600;margin:6px 0}.composer input{width:100%;border:1px solid var(--line);border-radius:7px;padding:10px;font:inherit;margin-bottom:12px}.composer textarea{border:1px solid var(--line);padding:10px;border-radius:7px}#invite-status{color:var(--muted);font-size:13px}#invite-history a{color:var(--blue)}