:root{--bg:#0b1020;--panel:#111833;--panel2:#161f3f;--line:#26305a;--text:#e6e9f5;--muted:#93a0c6;
--accent:#6366f1;--accent2:#22d3ee;--ok:#34d399;--warn:#fbbf24;--err:#f87171;--radius:14px;
font-family:"Plus Jakarta Sans",Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--text)}
body{font-size:15px;line-height:1.55}
.hidden{display:none!important}.muted{color:var(--muted)}.grow{flex:1;min-width:0}
code{font-family:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;font-size:.88em;background:#1d2650;padding:.1em .35em;border-radius:6px}
a{color:#a5b4fc}
.btn{border:1px solid var(--line);background:var(--panel2);color:var(--text);border-radius:10px;padding:.55em 1em;font:inherit;font-weight:600;cursor:pointer}
.btn:hover{border-color:#3b4a8a}.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.primary{background:linear-gradient(135deg,#4f46e5,#2563eb);border-color:transparent}
.btn.ghost{background:transparent}.btn.sm{padding:.3em .7em;font-size:.85em}.btn.block{width:100%}
.btn.warn{border-color:#7c5a12;color:var(--warn)}
input,textarea,select{font:inherit;color:var(--text);background:#0e1530;border:1px solid var(--line);border-radius:10px;padding:.6em .8em;width:100%}
input:focus,textarea:focus{outline:2px solid #4f46e5;border-color:transparent}
label{display:block;margin:.6em 0;font-weight:600;font-size:.9em}label input{margin-top:.3em;font-weight:400}
.err{color:var(--err);min-height:1.2em}
.brand{display:flex;gap:.7em;align-items:center}.brand b{display:block}.brand small{color:var(--muted);letter-spacing:.08em;font-size:.72em}
.logo{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,#6366f1,#22d3ee);font-size:14px}
.brand.big{margin-bottom:1em}
.center-card{min-height:100%;display:grid;place-items:center;padding:1em}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:1.4em}
.auth{width:min(420px,100%)}.auth .btn{width:100%;margin-top:.6em}
.secret{display:block;word-break:break-all;padding:.6em;margin:.4em 0;font-size:1.05em;letter-spacing:.06em}.secret.small{font-size:.75em}

.layout{display:grid;grid-template-columns:260px 1fr 360px;height:100vh}
.side{background:var(--panel);border-right:1px solid var(--line);padding:1em;display:flex;flex-direction:column;gap:1em;min-height:0}
.projects{flex:1;overflow:auto;display:flex;flex-direction:column;gap:2px}
.projects a{display:block;padding:.55em .7em;border-radius:10px;color:var(--text);text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.projects a:hover{background:var(--panel2)}.projects a.on{background:#1e2a5c;color:#c7d2fe;font-weight:600}
.side-foot{display:flex;flex-direction:column;gap:.6em}.usage{font-size:.8em;color:var(--muted)}
.me{display:flex;align-items:center;justify-content:space-between;font-size:.9em}

.chat{display:flex;flex-direction:column;min-width:0;min-height:0}
.chat-head{display:flex;align-items:center;gap:.8em;padding:.8em 1.2em;border-bottom:1px solid var(--line)}
.chat-head small{display:block;color:var(--muted);font-size:.8em}
.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 30% 30%,#a78bfa,#4f46e5);flex:none}
.chip{font-size:.78em;padding:.2em .7em;border-radius:999px;background:#1d2650;color:#c7d2fe;white-space:nowrap}
.chip.ok{background:#0f3b2e;color:var(--ok)}.chip.warn{background:#3d2f0b;color:var(--warn)}.chip.err{background:#3f1520;color:var(--err)}
.msgs{flex:1;overflow:auto;padding:1.2em;display:flex;flex-direction:column;gap:1em}
.msg{max-width:860px;width:100%;margin:0 auto;display:flex;gap:.8em}
.msg .bubble{flex:1;min-width:0;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:.9em 1.1em}
.msg.user .bubble{background:#1a2350;border-color:#2c3a7a}
.msg .meta{display:flex;gap:.5em;align-items:center;font-size:.8em;color:var(--muted);margin-bottom:.3em}
.msg .meta b{color:var(--text)}
.md p{margin:.45em 0}.md h3,.md h4,.md h5,.md h6{margin:.8em 0 .3em}.md ul,.md ol{padding-left:1.3em;margin:.4em 0}
.md pre.code{background:#0a0f24;border:1px solid var(--line);border-radius:10px;padding:.8em;overflow:auto;font-size:.85em}
.md pre.code code{background:none;padding:0}
.md blockquote{border-left:3px solid var(--accent);margin:.5em 0;padding:.2em .8em;color:#c7d2fe}
.md .tbl{overflow:auto;border:1px solid var(--line);border-radius:10px;margin:.6em 0}
.md table{border-collapse:collapse;width:100%}.md th,.md td{padding:.5em .7em;text-align:left;border-bottom:1px solid var(--line)}
.md th{background:#1b2350}.md tr:nth-child(even) td{background:#0f1734}
.scene-card{margin-top:.8em;border:1px dashed #3b4a8a;border-radius:12px;padding:.7em .9em;display:flex;flex-wrap:wrap;gap:.6em;align-items:center}
details.trace{margin-top:.6em;font-size:.85em;color:var(--muted)}
details.trace summary{cursor:pointer;user-select:none}
details.trace ol{margin:.4em 0;padding-left:1.4em}
.typing{display:inline-flex;gap:4px}.typing i{width:6px;height:6px;border-radius:50%;background:var(--muted);animation:b 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes b{0%,80%,100%{opacity:.3}40%{opacity:1}}
.composer{display:flex;gap:.6em;padding:.8em 1.2em;border-top:1px solid var(--line);max-width:900px;width:100%;margin:0 auto}
.composer textarea{resize:none;max-height:220px}
.empty{margin:auto;text-align:center;color:var(--muted);max-width:520px}

.preview{background:var(--panel);border-left:1px solid var(--line);padding:1em;display:flex;flex-direction:column;gap:.8em;min-height:0}
.preview header{display:flex;justify-content:space-between;align-items:center}
.preview video{width:100%;max-height:55vh;background:#000;border-radius:12px}
.renders{overflow:auto;display:flex;flex-direction:column;gap:.5em}
.render-item{display:flex;justify-content:space-between;align-items:center;gap:.5em;background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:.5em .7em;font-size:.85em}

.admin{padding:1.2em;max-width:1200px;margin:0 auto}
.admin-head{display:flex;gap:1em;align-items:center;flex-wrap:wrap;margin-bottom:1em}
.tabs{display:flex;gap:.4em;margin-bottom:1em;flex-wrap:wrap}.tab{border:1px solid var(--line);background:transparent;color:var(--muted);border-radius:999px;padding:.4em 1em;cursor:pointer;font:inherit}
.tab.on{background:#1e2a5c;color:#fff}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1em}
table.t{width:100%;border-collapse:collapse;font-size:.88em}table.t th,table.t td{padding:.45em .6em;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
table.t th{color:var(--muted);font-weight:600}.t input{width:6em;padding:.25em .4em}
.wrap{white-space:pre-wrap;word-break:break-word;max-width:520px}
.toast{position:fixed;bottom:1.2em;left:50%;transform:translateX(-50%);background:#1e2a5c;border:1px solid var(--line);padding:.6em 1.2em;border-radius:12px;z-index:9}
.only-mobile{display:none}
@media (max-width:1100px){.layout{grid-template-columns:230px 1fr}.preview{position:fixed;inset:0 0 0 auto;width:min(380px,100%);transform:translateX(100%);transition:transform .2s;z-index:5}.preview.open{transform:none}.only-mobile{display:inline-block}}
@media (max-width:720px){.layout{grid-template-columns:1fr}.side{display:none}.side.open{display:flex;position:fixed;inset:0;z-index:6}}