:root{--bg: #0f1115;--bg-elev: #171a21;--bg-elev2: #1e222b;--border: #2a2f3a;--text: #e6e8ec;--text-dim: #9aa0ac;--accent: #6d8bff;--accent-hover: #5a79f5;--danger: #ff6b6b;--ok: #4ec98f;--radius: 10px;--shadow: 0 4px 20px rgba(0,0,0,.35);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{font:inherit;cursor:pointer;border:1px solid var(--border);background:var(--bg-elev2);color:var(--text);padding:8px 14px;border-radius:var(--radius);transition:background .15s,border-color .15s}button:hover{background:#262b36}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:hover{background:var(--accent-hover)}button.danger{color:var(--danger);border-color:#43313a}button.ghost{background:transparent;border-color:transparent}button.sm{padding:4px 10px;font-size:13px}input,select,textarea{font:inherit;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);padding:9px 12px;width:100%}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent)}label{display:block;font-size:13px;color:var(--text-dim);margin-bottom:6px}.card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.muted{color:var(--text-dim)}.row{display:flex;gap:12px;align-items:center}.spread{justify-content:space-between}.wrap{flex-wrap:wrap}.stack{display:flex;flex-direction:column;gap:12px}.grid{display:grid;gap:14px}.error{color:var(--danger);font-size:13px}.pill{font-size:12px;padding:2px 8px;border-radius:999px;background:var(--bg-elev2);border:1px solid var(--border)}.pill.admin{color:var(--accent);border-color:#2f3a5a}.pill.ok{color:var(--ok)}.pill.bad{color:var(--danger)}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--border)}th{color:var(--text-dim);font-weight:600}code{background:var(--bg-elev2);padding:2px 6px;border-radius:6px;font-size:12px}.auth-wrap{display:grid;place-items:center;height:100%;padding:20px}.auth-card{width:100%;max-width:380px}.auth-card h1{font-size:22px;margin:0 0 4px}.tabs{display:flex;gap:6px;margin-bottom:18px}.tabs button{flex:1}.tabs button.active{background:var(--accent);border-color:var(--accent);color:#fff}.shell{display:grid;grid-template-columns:240px 1fr;height:100%}.sidebar{background:var(--bg-elev);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:14px;gap:6px;overflow-y:auto}.brand{font-weight:700;font-size:16px;padding:6px 8px 14px}.nav-link{padding:8px 10px;border-radius:8px;color:var(--text-dim);display:block}.nav-link:hover{background:var(--bg-elev2);text-decoration:none;color:var(--text)}.nav-link.active{background:var(--bg-elev2);color:var(--text)}.sidebar-footer{margin-top:auto;border-top:1px solid var(--border);padding-top:12px;font-size:13px}.main{overflow-y:auto;padding:24px}.page-title{font-size:20px;margin:0 0 18px}.chat{display:grid;grid-template-rows:auto 1fr auto;height:100%}.chat-head{display:flex;gap:10px;align-items:center;padding:12px 16px;border-bottom:1px solid var(--border)}.chat-head select{width:auto;min-width:180px}.messages{overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:16px}.msg{max-width:760px;width:100%;margin:0 auto;display:flex;gap:12px}.msg .avatar{width:28px;height:28px;border-radius:6px;flex-shrink:0;display:grid;place-items:center;font-size:12px;font-weight:700}.msg.user .avatar{background:#2f3a5a;color:var(--accent)}.msg.assistant .avatar{background:var(--bg-elev2)}.msg .bubble{white-space:pre-wrap;word-break:break-word;padding-top:3px}.composer{border-top:1px solid var(--border);padding:14px 16px}.composer-inner{max-width:760px;margin:0 auto;display:flex;gap:10px;align-items:flex-end}.composer textarea{resize:none;min-height:44px;max-height:200px}.conv-item{display:flex;justify-content:space-between;align-items:center}.conv-item .nav-link{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px}.stat .big{font-size:24px;font-weight:700}.stat .lbl{color:var(--text-dim);font-size:12px;text-transform:uppercase;letter-spacing:.04em}.bar{height:8px;background:var(--bg-elev2);border-radius:999px;overflow:hidden}.bar>span{display:block;height:100%;background:var(--accent)}.imggrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}.imggrid img{width:100%;border-radius:var(--radius);border:1px solid var(--border)}.keyreveal{background:var(--bg-elev2);padding:12px;border-radius:8px;word-break:break-all;font-family:monospace}.toast{position:fixed;bottom:20px;left:50%;transform:translate(-50%);background:var(--bg-elev2);border:1px solid var(--border);padding:10px 16px;border-radius:8px;box-shadow:var(--shadow)}@media(max-width:760px){.shell{grid-template-columns:1fr}.sidebar{display:none}}