:root{color-scheme:dark;font:16px/1.5 system-ui,sans-serif;background:#101113;color:#f0f1f3;--muted:#a9afb8;--border:#34363c}*{box-sizing:border-box}body{margin:0;padding:32px 24px}main{max-width:1320px;margin:auto}header,.section-title,.login-row{display:flex;justify-content:space-between;align-items:center;gap:16px}header{margin:12px 0 28px}h1{font-size:clamp(26px,4vw,40px);letter-spacing:-1.5px;margin:8px 0}h2{font-size:22px;margin:0}.eyebrow{font-size:11px;font-weight:700;letter-spacing:2px;color:var(--muted)}p,footer{color:var(--muted)}.badge{border:1px solid var(--border);border-radius:24px;padding:8px 16px;white-space:nowrap;font-size:13px}.card{background:#1b1c20;border:1px solid #2c2e34;border-radius:18px;padding:24px;margin-bottom:20px;box-shadow:0 12px 30px #0003}.chats{display:grid;grid-template-columns:1fr 1fr;gap:20px}.chat{display:flex;flex-direction:column;min-width:0}.hint{font-size:13px;min-height:40px}.messages{height:330px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;border:1px solid var(--border);background:#141518;border-radius:12px;padding:16px}.message{margin-bottom:20px}.message strong{display:block;color:#d0d4dc;font-size:12px;text-transform:uppercase;letter-spacing:1px}.message p{margin:6px 0;color:inherit;white-space:pre-wrap}label{font-size:13px;color:#d7dae0}input,textarea{width:100%;background:#141518;color:inherit;border:1px solid var(--border);border-radius:10px;padding:13px;font:inherit;margin:8px 0;resize:vertical}button{border:1px solid #454850;background:#303238;color:white;border-radius:9px;padding:11px 16px;font:inherit;cursor:pointer;white-space:nowrap}button:hover{background:#41444c}button:disabled{opacity:.45;cursor:not-allowed}[id$="-send"],#connect{background:#e5e7eb;color:#141518;font-weight:650}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid #94a7ce;outline-offset:3px}pre{white-space:pre-wrap;overflow-wrap:anywhere;color:#c0c5cd;font:13px/1.6 system-ui;margin-bottom:0}details{margin-top:16px}summary{cursor:pointer;color:#bac0ca;font-size:13px}footer{text-align:center;font-size:12px;padding:12px}.login-row input{flex:1}.section-title button{font-size:12px}@media(max-width:850px){.chats{grid-template-columns:1fr}body{padding:16px}.card{padding:18px}header{align-items:flex-start;flex-direction:column}.messages{height:280px}}@media(max-width:420px){.login-row{flex-direction:column;align-items:stretch}.section-title{gap:8px}h2{font-size:19px}}