:root{color-scheme:dark;--bg:#090b0e;--card:#12151a;--line:#282d35;--text:#eef2f7;--muted:#929ba8;--green:#00a77b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px Inter,system-ui,sans-serif}header{height:76px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 5vw}header div{display:flex;align-items:center;gap:12px}h1{font-size:22px}.badge{font-size:11px;padding:5px 8px;border:1px solid #087c61;border-radius:6px;color:#3de2b8}button{border:0;border-radius:9px;background:var(--green);color:white;font-weight:700;padding:12px 18px;cursor:pointer}main{display:grid;grid-template-columns:330px 1fr;gap:22px;max-width:1200px;margin:28px auto;padding:0 22px}aside,.chat{background:var(--card);border:1px solid var(--line);border-radius:15px;padding:22px}.status{display:flex;align-items:center;gap:9px;color:#69e4bd;margin-bottom:20px}.status i{width:9px;height:9px;border-radius:50%;background:#24d39f;box-shadow:0 0 12px #24d39f}label{display:block;color:#c8ced8;margin:15px 0 6px}input,select,textarea{width:100%;margin-top:7px;border:1px solid #363d48;border-radius:9px;background:#0d1014;color:var(--text);padding:12px}.hint,.notice{font-size:13px;line-height:1.5;color:var(--muted)}.secondary{background:#252b33;width:100%;margin-top:10px}.chat{min-height:620px;display:flex;flex-direction:column}.message{max-width:78%;padding:14px 16px;border-radius:13px;margin-bottom:12px}.assistant{background:#20252c}.user{background:#006e56;margin-left:auto}.message p{margin:7px 0 0;line-height:1.5}#messages{flex:1}form{display:flex;gap:10px;align-items:end}textarea{min-height:72px;resize:vertical}dialog{max-width:520px;background:#15191f;color:var(--text);border:1px solid var(--line);border-radius:14px;padding:26px}dialog::backdrop{background:#000a}.close{float:right;background:transparent;font-size:25px;padding:0}@media(max-width:760px){main{grid-template-columns:1fr}.chat{min-height:500px}header h1{font-size:17px}.message{max-width:92%}}