:root{color:#172026;font-synthesis:none;text-rendering:optimizelegibility;background:#eef2f4;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button,input,textarea{font:inherit}.shell{place-items:center;min-height:100vh;padding:24px;display:grid}.chat{background:#fff;border:1px solid #d7dee2;border-radius:8px;grid-template-rows:auto 1fr auto auto;width:min(920px,100%);height:min(760px,100vh - 48px);display:grid;overflow:hidden;box-shadow:0 18px 50px #1720261f}.topbar{background:#fbfcfc;border-bottom:1px solid #dfe6ea;justify-content:space-between;align-items:center;gap:16px;padding:18px 22px;display:flex}.topbar h1{letter-spacing:0;margin:0;font-size:20px;line-height:1.2}.topbar p{color:#60717c;margin:4px 0 0;font-size:13px}.status{color:#315262;border:1px solid #c9d6dc;border-radius:999px;flex:none;padding:6px 10px;font-size:12px;font-weight:700}.userbar{align-items:center;gap:10px;min-width:0;display:flex}.ghost-button{color:#315262;background:#fff;border:1px solid #c9d6dc;flex:none;min-height:34px;padding:0 12px}.auth-card{background:#fff;border:1px solid #d7dee2;border-radius:8px;gap:18px;width:min(420px,100%);padding:26px;display:grid;box-shadow:0 18px 50px #1720261f}.auth-head h1{letter-spacing:0;margin:0;font-size:22px;line-height:1.2}.auth-head p{color:#60717c;margin:6px 0 0;font-size:13px}.auth-tabs{border:1px solid #cbd6dc;border-radius:8px;grid-template-columns:1fr 1fr;display:grid;overflow:hidden}.auth-tabs button{color:#315262;background:#fff;border-radius:0;min-height:42px}.auth-tabs button.active{color:#fff;background:#176b5f}.auth-form{gap:14px;display:grid}.auth-form label{color:#315262;gap:6px;font-size:13px;font-weight:700;display:grid}.auth-form input{color:#172026;background:#fff;border:1px solid #cbd6dc;border-radius:8px;outline:none;width:100%;min-height:42px;padding:10px 12px}.auth-form input:focus{border-color:#176b5f;box-shadow:0 0 0 3px #176b5f24}.auth-form button[type=submit]{min-height:44px}.auth-error{color:#a32525;background:#fff4f4;border:1px solid #f2c7c7;border-radius:8px;margin:0;padding:10px 12px;font-size:13px}.messages{background:linear-gradient(#fff,#fff) padding-box padding-box,repeating-linear-gradient(135deg,#f6f8f9 0 12px,#fff 12px 24px);padding:24px;overflow-y:auto}.message{grid-template-columns:36px minmax(0,1fr);gap:12px;max-width:760px;margin-bottom:18px;display:grid}.message.user{grid-template-columns:minmax(0,1fr) 36px;margin-left:auto}.message.user .avatar{background:#176b5f;grid-column:2}.message.user .bubble{grid-row:1}.message.user .bubble>p{color:#fff;background:#176b5f;grid-row:1}.avatar{color:#fff;background:#273947;border-radius:8px;place-items:center;width:36px;height:36px;font-size:12px;font-weight:800;display:grid}.bubble{min-width:0}.bubble>p{white-space:pre-wrap;overflow-wrap:anywhere;background:#fff;border:1px solid #d9e1e5;border-radius:8px;min-width:0;margin:0;padding:12px 14px;line-height:1.65}.intent-panel{color:#172026;background:#fbfcfc;border:1px solid #d9e1e5;border-radius:8px;margin-top:8px;overflow:hidden}.intent-result{gap:8px;padding:10px;display:grid}.intent-head,.intent-meta,.intent-slots{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.intent-head{justify-content:space-between}.intent-head strong{font-size:13px}.intent-head span,.intent-meta span,.intent-slots span{color:#315262;overflow-wrap:anywhere;background:#fff;border:1px solid #cfdae0;border-radius:999px;min-width:0;padding:3px 8px;font-size:12px;line-height:1.4}.intent-muted,.intent-error{padding:10px;font-size:12px}.intent-muted{color:#60717c}.intent-error{color:#a32525;background:#fff4f4}.intent-clarification{color:#60717c;margin:0;font-size:12px;line-height:1.5}.error{color:#a32525;background:#fff4f4;border-top:1px solid #f2c7c7;margin:0;padding:10px 22px}.composer{background:#fbfcfc;border-top:1px solid #dfe6ea;grid-template-columns:minmax(0,1fr) 92px;gap:12px;padding:18px 22px;display:grid}textarea{resize:none;color:#172026;background:#fff;border:1px solid #cbd6dc;border-radius:8px;outline:none;width:100%;padding:12px 14px}textarea:focus{border-color:#176b5f;box-shadow:0 0 0 3px #176b5f24}button{color:#fff;cursor:pointer;background:#176b5f;border:0;border-radius:8px;font-weight:800}button:disabled{cursor:not-allowed;background:#9aa8af}@media (width<=640px){.shell{padding:0}.chat{border:0;border-radius:0;height:100vh;min-height:100vh}.topbar,.messages,.composer{padding-left:14px;padding-right:14px}.topbar{flex-direction:column;align-items:flex-start}.userbar{justify-content:space-between;width:100%}.composer{grid-template-columns:1fr}button{height:44px}}