:root{color-scheme:dark;--bg:#07101e;--panel:#0d1728;--panel2:#111f34;--line:#22334d;--text:#edf4ff;--muted:#91a4bd;--accent:#7ce6c7;--accent2:#4f8cff;--danger:#ff8b8b;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 80% -10%,#17385e 0,transparent 42%),var(--bg);color:var(--text);height:100dvh;overflow:hidden}.hidden{display:none!important}button,input,textarea{font:inherit}.login-shell{min-height:100dvh;display:grid;place-items:center;padding:24px}.login-card{width:min(420px,100%);padding:34px;border:1px solid var(--line);border-radius:24px;background:rgba(13,23,40,.94);box-shadow:0 30px 80px #0008}.login-card img{display:block;margin-bottom:20px}.eyebrow{color:var(--accent);text-transform:uppercase;letter-spacing:.14em;font-size:12px;font-weight:700}.login-card h1{font-size:34px;margin:6px 0}.login-card p{color:var(--muted)}label{display:grid;gap:8px;margin:26px 0 16px;color:var(--muted);font-size:14px}input,textarea{width:100%;border:1px solid var(--line);background:#081221;color:var(--text);border-radius:13px;padding:13px;outline:none}input:focus,textarea:focus{border-color:var(--accent2);box-shadow:0 0 0 3px #4f8cff25}.login-card button,.new-thread{width:100%;border:0;border-radius:13px;padding:13px;background:linear-gradient(135deg,var(--accent2),#7657e8);color:white;font-weight:700;cursor:pointer}.error{color:var(--danger)!important;min-height:20px}.app{display:grid;grid-template-columns:300px 1fr;height:100dvh}.sidebar{background:rgba(9,18,31,.93);border-right:1px solid var(--line);display:flex;flex-direction:column;min-width:0}.brand{display:flex;gap:12px;align-items:center;padding:22px}.brand img{width:38px}.brand div{display:grid}.brand small{color:var(--muted);margin-top:3px}.new-thread{width:auto;margin:0 16px 16px}.sidebar nav{padding:0 10px;overflow:auto;flex:1}.thread{display:grid;text-align:left;width:100%;padding:13px;border:1px solid transparent;border-radius:13px;color:var(--text);background:transparent;cursor:pointer;margin-bottom:4px}.thread strong,.thread span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.thread span{color:var(--muted);font-size:12px;margin-top:5px}.thread.active{background:var(--panel2);border-color:var(--line)}.sidebar-footer{padding:14px;border-top:1px solid var(--line)}.ghost{background:transparent;border:0;color:var(--muted);cursor:pointer}.workspace{min-width:0;display:grid;grid-template-rows:auto 1fr auto}.workspace header{min-height:74px;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:14px 24px;background:#07101ecc}.workspace header h1{font-size:18px;margin:0 0 8px}.menu{display:none;background:none;border:0;color:white;font-size:23px;margin-right:12px}.connectors{display:flex;gap:12px;flex-wrap:wrap}.status{font-size:11px;text-transform:capitalize;color:var(--muted);display:flex;align-items:center;gap:5px}.status i{width:7px;height:7px;border-radius:50%;background:#68778b}.status.online i{background:var(--accent);box-shadow:0 0 10px var(--accent)}.messages{overflow:auto;padding:34px max(24px,calc((100% - 900px)/2));scroll-behavior:smooth}.welcome{text-align:center;color:var(--muted);margin:12vh auto}.welcome img{width:68px}.welcome h2{color:var(--text);font-size:28px;margin-bottom:8px}.message{max-width:82%;margin:0 0 20px;padding:16px 18px;border-radius:18px;background:var(--panel2);border:1px solid var(--line);white-space:pre-wrap;line-height:1.55}.message.user{margin-left:auto;background:#17355a;border-color:#2d5e92}.message.system{border-color:#804a4a;background:#321d26}.meta{display:flex;gap:12px;justify-content:space-between;color:var(--muted);font-size:11px;text-transform:capitalize;margin-bottom:8px}.meta strong{color:var(--accent)}.content{overflow-wrap:anywhere}.composer{padding:14px max(20px,calc((100% - 900px)/2)) calc(14px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#07101ef5}.backend-picker{display:flex;gap:6px;margin-bottom:9px;overflow:auto}.backend-picker button{border:1px solid var(--line);background:var(--panel);color:var(--muted);padding:7px 11px;border-radius:999px;cursor:pointer;white-space:nowrap}.backend-picker button.active{border-color:var(--accent);color:var(--text);background:#12352f}.input-row{display:flex;align-items:flex-end;gap:9px}.input-row textarea{resize:none;max-height:180px;min-height:52px}.input-row button{flex:0 0 48px;height:48px;border-radius:14px;border:0;background:var(--accent);color:#08231c;font-size:24px;font-weight:800;cursor:pointer}.input-row button:disabled{opacity:.45}.composer small{display:block;color:var(--muted);margin-top:8px;text-align:center}@media(max-width:760px){.app{grid-template-columns:1fr}.sidebar{position:fixed;z-index:5;inset:0 18% 0 0;transform:translateX(-105%);transition:.2s;box-shadow:20px 0 60px #000b}.nav-open .sidebar{transform:none}.menu{display:block}.workspace header{padding:12px 14px}.messages{padding:20px 14px}.message{max-width:92%}.composer{padding:10px 12px calc(10px + env(safe-area-inset-bottom))}.welcome{margin-top:8vh}.welcome h2{font-size:23px}}