*{box-sizing:border-box} :root{color-scheme:dark;--bg:#111318;--panel:#191c23;--panel2:#222630;--text:#f0f2f5;--muted:#a0a7b4;--line:#303542;--accent:#9ce7b5;--accentText:#10251a}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 system-ui,-apple-system,"Segoe UI",sans-serif}.topbar{height:68px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 22px;gap:12px}.brand{display:flex;align-items:center;gap:11px}.brandmark{width:38px;height:38px;border-radius:12px;background:var(--accent);color:var(--accentText);display:grid;place-items:center;font-weight:900;font-size:22px}.brand small{display:block;color:var(--muted);font-size:9px;letter-spacing:1.5px}.top-actions{display:flex;gap:8px}button,select,input,textarea{font:inherit}button,select{cursor:pointer;border:1px solid var(--line);border-radius:10px;padding:9px 12px;background:var(--panel2);color:var(--text)}button:hover{filter:brightness(1.12)}.layout{display:grid;grid-template-columns:235px 1fr;height:calc(100dvh - 68px)}.sidebar{border-right:1px solid var(--line);padding:18px 12px;display:flex;flex-direction:column;gap:12px}.newchat{background:var(--accent);color:var(--accentText);font-weight:700}.side-label{font-size:10px;letter-spacing:1.6px;color:var(--muted);padding:12px 8px 0}.side-item{padding:10px;border-radius:9px;color:#d9dce2}.side-item span{margin-left:8px}.connection{margin-top:auto;display:flex;align-items:center;gap:8px;padding:10px;color:var(--muted);font-size:12px}.dot{width:8px;height:8px;border-radius:50%;background:#8b929e}.dot.ok{background:#66df9b;box-shadow:0 0 12px #66df9b77}.side-note{font-size:11px;color:var(--muted);padding:0 10px}.main{display:flex;flex-direction:column;min-width:0;position:relative}.welcome{margin:auto;max-width:700px;text-align:center;padding:30px 18px}.orb{margin:auto;width:62px;height:62px;border-radius:22px;background:linear-gradient(135deg,#9ce7b5,#5ca9a8);display:grid;place-items:center;color:#10251a;font-size:30px;font-weight:900;box-shadow:0 0 50px #5ca9a822}.welcome h1{font-size:clamp(25px,4vw,36px);margin:18px 0 4px}.welcome p,.muted{color:var(--muted)}.suggestions{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:24px}.suggestion{font-size:12px}.messages{overflow:auto;flex:1;padding:22px max(18px,calc((100% - 820px)/2));display:flex;flex-direction:column;gap:18px}.message{max-width:100%;white-space:pre-wrap;overflow-wrap:anywhere}.message.user{align-self:flex-end;max-width:min(82%,680px);background:var(--panel2);border-radius:17px;padding:12px 16px}.message.assistant{align-self:stretch;padding:4px 0}.message .role{font-size:11px;color:var(--muted);margin-bottom:6px}.message pre{white-space:pre;overflow:auto;background:#090b10;border:1px solid var(--line);border-radius:12px;padding:14px;font-size:12px}.composer-wrap{padding:10px 18px 18px;max-width:900px;width:100%;margin:0 auto}.composer{display:flex;align-items:flex-end;gap:10px;border:1px solid #424856;border-radius:18px;background:var(--panel);padding:10px}.composer textarea{width:100%;resize:vertical;min-height:48px;max-height:220px;background:transparent;border:0;outline:none;color:var(--text);padding:8px}.send{width:42px;height:42px;background:var(--accent);color:var(--accentText);font-size:23px;font-weight:800}.hint{text-align:center;color:var(--muted);font-size:10px;padding-top:7px}.file-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.file-link{color:var(--accent);border:1px solid var(--line);border-radius:9px;padding:8px 11px;text-decoration:none;font-size:13px}.error{color:#ffaaa5}.ghost{background:transparent}dialog{background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:16px;width:min(520px,calc(100% - 24px));padding:24px}dialog::backdrop{background:#000a}dialog label{display:block;margin:16px 0;font-size:13px}dialog input{display:block;width:100%;margin-top:6px;padding:12px;border:1px solid var(--line);border-radius:9px;background:#101219;color:var(--text)}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}.primary{background:var(--accent);color:var(--accentText);font-weight:700}.small{font-size:11px}.hayato{--bg:#050d12;--panel:#09171e;--panel2:#0e2630;--line:#155060;--text:#c8fbff;--muted:#65a7b3;--accent:#39f5db;--accentText:#001d1c}.hayato .topbar{border-bottom-color:#176073}.hayato .brandmark,.hayato .orb{border-radius:4px;background:transparent;border:1px solid var(--accent);color:var(--accent);box-shadow:0 0 20px #39f5db25}.hayato .orb{clip-path:polygon(15% 0,85% 0,100% 15%,100% 85%,85% 100%,15% 100%,0 85%,0 15%)}.hayato .message.assistant{border-left:2px solid var(--accent);padding-left:14px}.hayato .newchat,.hayato .send,.hayato .primary{background:var(--accent);color:var(--accentText)}.hayato .welcome h1{letter-spacing:2px;text-transform:uppercase}.hayato .side-item{border-radius:3px;border:1px solid transparent}.hayato .side-item:hover{border-color:var(--line)}@media(max-width:680px){.layout{grid-template-columns:1fr}.sidebar{display:none}.topbar{padding:0 12px}.brand small{display:none}.messages{padding:16px}.composer-wrap{padding:8px 10px 12px}.welcome{padding:20px 14px}.top-actions select{max-width:120px}.message.user{max-width:92%}}