:root{font-family:Tahoma,Arial,sans-serif;color:#172033;background:#f4f7fb}*{box-sizing:border-box}body{margin:0}.shell{max-width:1100px;margin:auto;padding:22px}header{display:flex;justify-content:space-between;align-items:center;background:#102a43;color:#fff;border-radius:20px;padding:24px 28px;box-shadow:0 12px 35px #102a431a}h1{margin:0 0 8px;font-size:28px}header p{margin:0;opacity:.85}.badge{background:#fff;color:#102a43;padding:10px 16px;border-radius:999px;font-weight:700}main{display:grid;gap:18px;margin-top:18px}.chat-card,.providers,.quick{background:#fff;border-radius:18px;padding:18px;box-shadow:0 8px 25px #1a2b3c12}.messages{min-height:230px;max-height:500px;overflow:auto;padding:8px}.msg{padding:14px 16px;border-radius:14px;margin:8px 0;white-space:pre-wrap;line-height:1.9}.bot{background:#eef4f9}.user{background:#dceefe}.msg.pending{opacity:.65}form{display:flex;gap:10px;margin-top:12px}textarea,input,select{font:inherit;border:1px solid #d9e1ea;border-radius:12px;padding:12px;background:#fbfdff}textarea{flex:1;resize:vertical}button{border:0;border-radius:12px;background:#0b6e99;color:#fff;padding:11px 16px;font:inherit;cursor:pointer}button:hover{filter:brightness(.96)}.quick{display:flex;gap:10px;flex-wrap:wrap}.quick button{background:#edf5f9;color:#0b5978}.filters{display:grid;grid-template-columns:1fr 220px 110px;gap:10px}.provider{border-top:1px solid #edf0f4;padding:14px 0}.provider:first-child{border-top:0}.muted{color:#607287;font-size:13px}footer{text-align:center;color:#6d7d90;font-size:12px;padding:18px}@media(max-width:700px){header{flex-direction:column;align-items:flex-start;gap:12px}.filters,form{grid-template-columns:1fr;display:grid}button{width:100%}}

.error{color:#b42318;background:#fef3f2;border:1px solid #fecdca;padding:12px;border-radius:10px}