:root{font:16px/1.6 system-ui,sans-serif;color:#dce5ef;background:#0b111b;--line:#263447;--muted:#9aaabd;--accent:#67e8c2}*{box-sizing:border-box}body{margin:0}header{display:flex;align-items:center;justify-content:space-between;padding:25px max(24px,calc((100vw - 1080px)/2));border-bottom:1px solid var(--line);gap:20px}.brand{font-weight:750;color:#fff;text-decoration:none;font-size:20px}.badge{font-size:11px;letter-spacing:1px;border:1px solid var(--line);border-radius:30px;padding:5px 12px;color:var(--muted)}main{max-width:1128px;margin:auto;padding:40px 24px}.intro{padding:20px 0 32px}.eyebrow{color:var(--accent);font-size:11px;font-weight:700;letter-spacing:2px}h1{font-size:clamp(34px,5vw,56px);line-height:1.12;letter-spacing:-2px;margin:15px 0}h2{font-size:21px;color:#fff;margin:0 0 12px}p{color:var(--muted);margin:10px 0 20px}.card{padding:28px;background:#111b29;border:1px solid var(--line);border-radius:16px;margin-bottom:24px}.narrow{max-width:520px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:15px}label{display:block;font-size:13px;font-weight:600;margin:15px 0;color:#c7d5e4}input,textarea,select{display:block;width:100%;margin-top:7px;background:#0b1420;border:1px solid #35465c;border-radius:8px;padding:12px;color:#fff;font:inherit;font-weight:400}textarea{resize:vertical}input:focus,textarea:focus,select:focus{outline:2px solid var(--accent);outline-offset:2px}button{background:var(--accent);color:#07271d;padding:11px 17px;border:1px solid transparent;border-radius:8px;font:600 14px system-ui;cursor:pointer;margin:6px 5px 6px 0}button.secondary{background:transparent;color:#dce5ef;border-color:#41546a}button.danger{color:#fca5a5}button:disabled{opacity:.45;cursor:wait}small,footer{color:var(--muted);font-size:12px}small{display:block;margin-top:14px}.bot{border-top:1px solid var(--line);padding:17px 0}.bot strong{display:block;color:white}.bot small{margin:0 0 10px}.bot a{color:var(--accent)}#notice:not(:empty){padding:14px 18px;border:1px solid var(--accent);border-radius:10px;margin-bottom:20px;white-space:pre-wrap}#notice.error{border-color:#fca5a5;color:#fecaca}#chats{margin:12px 0}footer{padding:16px 0 28px}[hidden]{display:none!important}@media(max-width:700px){.grid{grid-template-columns:1fr;gap:0}header{padding:20px}.badge{font-size:9px}.card{padding:22px}main{padding:24px 18px}.toolbar{align-items:flex-start}}