:root{color-scheme:light;--ink:#17262a;--muted:#5e6869;--paper:#f6f4ef;--line:#deded6;--primary:#263d39;--light:#fff;--warm:#eee8dd}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 system-ui,-apple-system,'Segoe UI',sans-serif}.shell{max-width:1280px;margin:auto;padding:24px clamp(20px,5vw,68px)}.top{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-bottom:24px;border-bottom:1px solid var(--line)}.brand{font-size:19px;font-weight:700;letter-spacing:-.05em}.brand strong{font-weight:400}.divider{opacity:.4;margin:0 8px}.secure,.small{font-size:13px;color:var(--muted)}main{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(240px,.9fr);gap:26px;margin-top:32px}.intro{grid-column:1/-1;max-width:760px;padding:24px 0 12px}.overline{font-size:12px;font-weight:700;letter-spacing:.13em;color:#66756c}.intro h1{font-family:Georgia,serif;font-size:clamp(34px,4.8vw,62px);line-height:1.08;font-weight:400;letter-spacing:-.04em;margin:12px 0 18px}.lead{font-size:19px;color:#485653;max-width:700px}.principle{border-left:3px solid var(--primary);padding-left:18px;margin-top:26px}.workspace,.info{background:var(--light);border:1px solid var(--line);border-radius:14px;padding:clamp(20px,3vw,32px)}.workspace{min-height:460px}.workhead{display:flex;align-items:start;justify-content:space-between;gap:15px}.workhead h2{margin:0;font-size:24px}.workhead .overline{margin:0}.status{background:#e9eeec;border-radius:99px;padding:4px 11px;color:var(--primary);font-size:12px;white-space:nowrap}.notice{padding:14px 16px;background:var(--warm);border-radius:7px;margin:25px 0}.messages{display:flex;flex-direction:column;gap:12px;margin:20px 0;max-height:420px;overflow-y:auto}.bubble{padding:11px 15px;border-radius:12px;background:#e9edea;max-width:88%;white-space:pre-wrap;overflow-wrap:anywhere}.bubble.you{background:var(--primary);color:#fff;align-self:flex-end}label{display:block;font-weight:600;margin:14px 0 6px}textarea{width:100%;resize:vertical;min-height:88px;padding:12px;font:inherit;border:1px solid #a7b1ab;border-radius:8px}.actions{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:12px 0;font-size:13px;color:var(--muted)}button,.access-actions a{cursor:pointer;background:var(--primary);border:1px solid var(--primary);color:white;border-radius:8px;padding:11px 19px;font:600 14px/1.4 inherit;text-decoration:none}button:disabled{opacity:.5;cursor:not-allowed}.access-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:22px}.info h2{font-size:19px;margin-top:0}.info p{color:#485653}footer{border-top:1px solid var(--line);margin-top:38px;padding-top:22px;color:var(--muted);font-size:13px}@media(max-width:800px){main{grid-template-columns:1fr}.intro{padding-top:4px}.workhead{flex-wrap:wrap}.actions{align-items:flex-start;flex-direction:column}}