:root{--bg:#0b0c10;--card:#11131a;--muted:#a8b0c3;--text:#e9ecf5;--border:#23283a;--btn:#2a62ff;--btn2:#1b1f2d;}
*{box-sizing:border-box;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;}
body{margin:0;background:var(--bg);color:var(--text);}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border);background:#0e0f15;position:sticky;top:0;}
.brand__title{font-weight:700;letter-spacing:.2px}
.brand__subtitle{font-size:12px;color:var(--muted)}
.whoami{font-size:12px;color:var(--muted);margin-right:10px}
.container{max-width:1100px;margin:22px auto;padding:0 16px;}
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px;}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:12px;}
@media (max-width:900px){.grid2{grid-template-columns:1fr;}}
.box{border:1px solid var(--border);border-radius:12px;padding:14px;background:#0f1118;}
label{display:block;font-size:12px;color:var(--muted);margin:8px 0;}
input,select{width:100%;padding:10px;border-radius:10px;border:1px solid var(--border);background:#0b0d14;color:var(--text);outline:none;}
select{cursor:pointer}
.btn{background:var(--btn);border:none;color:white;padding:10px 12px;border-radius:10px;cursor:pointer;font-weight:600;}
.btn:disabled{opacity:.55;cursor:not-allowed;}
.btn--ghost{background:var(--btn2);border:1px solid var(--border);color:var(--text);}
.muted{color:var(--muted);font-size:12px;}
.row{display:flex;gap:12px;align-items:flex-start;justify-content:space-between;}
.kpi{border:1px solid var(--border);border-radius:12px;padding:10px 12px;min-width:210px;background:#0f1118;}
.kpi__label{font-size:12px;color:var(--muted);}
.kpi__value{font-size:18px;font-weight:700;margin-top:4px;}
.controls{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap;margin:12px 0;}
.controls label{margin:0;min-width:320px}
.spacer{flex:1}
.statusline{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:10px;}
.chat{border:1px solid var(--border);border-radius:12px;background:#0f1118;min-height:360px;max-height:520px;overflow:auto;padding:10px;}
.bubble{max-width:90%;padding:10px 12px;border-radius:12px;margin:8px 0;border:1px solid var(--border);white-space:pre-wrap;line-height:1.35;}
.bubble--user{margin-left:auto;background:#0b1228;border-color:#22306b;}
.bubble--assistant{margin-right:auto;background:#0b0d14;}
.bubble__meta{font-size:11px;color:var(--muted);margin-top:6px;display:flex;gap:10px;flex-wrap:wrap;}
.chatbar{display:flex;gap:10px;margin-top:10px;}
.chatbar input{flex:1}
.mini{max-width:180px}
.msg{margin-top:10px;font-size:12px;color:var(--muted)}
.msg.error{color:#ff7b7b}
.msg.ok{color:#7bffb4}

/* Modal (validation humaine / WebAuthn) */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;padding:24px;}
.modal__card{width:min(520px,100%);background:#0f1118;border:1px solid var(--border);border-radius:14px;padding:18px;}