[hidden]{display:none!important}
:root{color-scheme:dark;--bg:#080b0f;--panel:#0e1319;--panel2:#141a22;--line:#252d37;--text:#eef3f6;--muted:#8f9aa6;--accent:#2bd1c3;--danger:#ff6b78}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 Inter,system-ui,sans-serif}button,input,textarea,select{font:inherit}.login-view{min-height:100dvh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at top,#10242a,transparent 45%)}.login-card{width:min(390px,100%);padding:32px;border:1px solid var(--line);border-radius:22px;background:rgba(14,19,25,.96);box-shadow:0 30px 80px #0008}.login-card img{width:80px}.login-card h1{font-size:34px;margin:18px 0 0}.login-card p{color:var(--muted);margin:0 0 24px}.login-card label,.grid-form label{display:grid;gap:6px;color:var(--muted);margin:12px 0}.login-card input,.grid-form input,.grid-form textarea,.grid-form select{width:100%;border:1px solid var(--line);background:#0a0e13;color:var(--text);padding:12px;border-radius:10px}.login-card button,.primary{width:100%;border:0;border-radius:10px;background:var(--accent);color:#052b28;font-weight:750;padding:12px;margin-top:10px}.error-text{color:var(--danger);min-height:24px;margin-top:10px}.app-shell{height:100dvh;display:grid;grid-template-columns:285px 1fr}.sidebar{background:#0b0f14;border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0;padding:16px}.brand{display:flex;justify-content:space-between;align-items:center}.brand img{width:68px}.new-chat{margin:18px 0;border:1px solid #2f3b45;background:#121920;color:var(--text);padding:12px;border-radius:12px;text-align:left}.section-title{font-size:12px;text-transform:uppercase;color:var(--muted);letter-spacing:.1em;margin-bottom:8px}.chat-list{overflow:auto;display:grid;gap:5px}.chat-list button,.side-link{border:0;background:transparent;color:#cbd3db;padding:10px;border-radius:9px;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-list button:hover,.chat-list button.active,.side-link:hover{background:#161d25}.sidebar-footer{margin-top:auto;border-top:1px solid var(--line);padding-top:10px}.side-link{display:block;width:100%}.user-card{margin-top:10px;display:flex;justify-content:space-between;gap:10px;align-items:center;background:#11171e;padding:10px;border-radius:10px}.user-card small{display:block;color:var(--muted)}.user-card button,.header-actions button,.icon{border:0;background:transparent;color:var(--muted)}.main{min-width:0;height:100dvh;display:grid;grid-template-rows:auto 1fr auto}.main header{height:70px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px}.main header h1{font-size:17px;margin:0}.main header p{margin:0;color:var(--muted);font-size:13px}.header-actions{display:flex;gap:8px}.conversation{overflow:auto;padding:30px max(24px,calc((100vw - 285px - 850px)/2));scroll-behavior:smooth}.welcome{text-align:center;margin:10vh auto 30px;max-width:580px}.mark{width:54px;height:54px;border:1px solid #2d8f88;color:var(--accent);display:grid;place-items:center;border-radius:16px;margin:auto;font-weight:800}.welcome h2{font-size:28px}.welcome p{color:var(--muted)}.messages{display:grid;gap:26px}.message{display:grid;grid-template-columns:34px 1fr;gap:13px}.avatar{width:34px;height:34px;border-radius:9px;background:#192129;display:grid;place-items:center;font-weight:700}.message.assistant .avatar{color:var(--accent);border:1px solid #245d59}.meta{font-size:13px;color:var(--muted);margin-bottom:6px}.body{max-width:800px}.body pre{overflow:auto;background:#050709;border:1px solid var(--line);padding:14px;border-radius:10px}.source{font-size:12px;color:var(--muted);margin-top:10px}.message.user .body{background:#151c23;border:1px solid var(--line);padding:12px 15px;border-radius:14px;width:max-content;max-width:min(760px,100%)}footer{border-top:1px solid var(--line);padding:12px max(18px,calc((100vw - 285px - 850px)/2)) 10px;background:#0b0f14}footer>p{text-align:center;color:var(--muted);font-size:11px;margin:7px}.composer{border:1px solid #303943;border-radius:16px;background:#11171e;padding:10px}.composer textarea{width:100%;resize:none;max-height:180px;border:0;outline:0;background:transparent;color:var(--text);padding:6px}.composer-row{display:flex;gap:8px;align-items:center}.composer-row button,.composer-row select{border:0;background:#1b232c;color:#cbd3db;border-radius:9px;padding:8px 11px}.composer-row .send{margin-left:auto;background:var(--accent);color:#06312d;font-weight:800}.uploads{display:flex;gap:8px;overflow:auto;margin-bottom:8px}.upload-chip{background:#151d25;border:1px solid var(--line);padding:7px 10px;border-radius:10px;font-size:12px}dialog{width:min(760px,calc(100% - 24px));max-height:88dvh;background:#0d1218;color:var(--text);border:1px solid var(--line);border-radius:18px;padding:0;overflow:auto}dialog::backdrop{background:#000a}.dialog-head{position:sticky;top:0;background:#0d1218;display:flex;justify-content:space-between;align-items:start;padding:20px;border-bottom:1px solid var(--line);z-index:2}.dialog-head h2,.dialog-head p{margin:0}.dialog-head p{color:var(--muted)}.dialog-head button{border:0;background:transparent;color:var(--muted);font-size:26px}.grid-form{padding:18px;display:grid;grid-template-columns:1fr 1fr;gap:0 14px}.grid-form .wide{grid-column:1/-1}.grid-form textarea{min-height:100px}.list{padding:0 18px 18px;display:grid;gap:10px}.card{border:1px solid var(--line);background:#121820;border-radius:12px;padding:13px}.card-head{display:flex;justify-content:space-between;gap:12px}.card small{color:var(--muted)}.card-actions{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}.card-actions button{border:1px solid var(--line);background:#171f28;color:#d8e0e7;border-radius:8px;padding:6px 9px}.card-actions button.danger{color:var(--danger)}.tabs{display:flex;padding:12px 18px;gap:8px}.tabs button{border:1px solid var(--line);background:#121820;color:var(--muted);padding:8px 12px;border-radius:8px}.tabs button.active{color:var(--accent);border-color:#2a6e69}.toast{position:fixed;right:20px;bottom:20px;background:#172029;border:1px solid var(--line);padding:11px 14px;border-radius:10px;opacity:0;transform:translateY(10px);pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:none}.mobile{display:none}.backdrop{display:none}@media(max-width:760px){.app-shell{grid-template-columns:1fr}.sidebar{position:fixed;inset:0 auto 0 0;width:285px;z-index:5;transform:translateX(-105%);transition:.2s}.sidebar.open{transform:none}.backdrop.show{display:block;position:fixed;inset:0;background:#0009;z-index:4}.mobile{display:block}.main header{padding:0 14px}.header-actions button{font-size:12px}.conversation{padding:22px 14px}footer{padding:10px}.grid-form{grid-template-columns:1fr}.grid-form .wide{grid-column:auto}}
.feedback-row{margin-top:8px}.feedback-row button{font-size:.82rem;padding:5px 9px;opacity:.8}.hint{opacity:.7}.admin-dialog textarea{min-height:320px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}