:root{--page:#f4f4f1;--surface:#ffffff;--text:#20221f;--muted:#656a63;--line:#d9dbd5;--accent:#2f5c49;--accent-hover:#244939;--user:#e9f0ec;--error-bg:#fff0ef;--error-text:#8b2f28;--shadow:0 14px 38px rgb(30 38 33/9%)}*{box-sizing:border-box}body,html{min-height:100%}body{margin:0;background:var(--page);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.55}button,input,textarea{font:inherit}button{border:0;border-radius:10px;background:var(--accent);color:white;cursor:pointer;font-weight:650;min-height:46px;padding:.7rem 1.1rem}button:hover:not(:disabled){background:var(--accent-hover)}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgb(47 92 73/25%);outline-offset:2px}button:disabled{cursor:not-allowed;opacity:.55}.centered-page{display:grid;min-height:100vh;padding:1.5rem;place-items:center}.gate-card{width:min(100%,430px);border:1px solid var(--line);border-radius:16px;background:var(--surface);box-shadow:var(--shadow);padding:clamp(1.5rem,5vw,2.4rem)}.eyebrow{margin:0 0 .35rem;color:var(--muted);font-size:.76rem;font-weight:750;letter-spacing:.1em;text-transform:uppercase}h1,h2,p{margin-top:0}h1{margin-bottom:.5rem;font-size:clamp(1.45rem,4vw,2rem);line-height:1.2}h2{margin-bottom:.4rem;font-size:1.15rem}.empty-state p,.supporting-copy{color:var(--muted)}.stacked-form{display:grid;gap:.65rem;margin-top:1.4rem}label{font-size:.9rem;font-weight:650}input,textarea{width:100%;border:1px solid #bfc3ba;border-radius:10px;background:white;color:var(--text);padding:.85rem .95rem}input{min-height:48px}textarea{min-height:84px;resize:vertical}.error-message{margin:1rem 0 0;border-radius:9px;background:var(--error-bg);color:var(--error-text);padding:.75rem .9rem;font-size:.9rem}.chat-shell{display:grid;grid-template-rows:auto auto minmax(0,1fr) auto;width:min(100%,1040px);min-height:100vh;margin:0 auto;background:var(--surface);border-inline:1px solid var(--line)}.chat-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;border-bottom:1px solid var(--line);padding:1.2rem clamp(1rem,4vw,2rem)}.chat-header h1{margin:0;font-size:clamp(1.1rem,3vw,1.4rem)}.text-button{min-height:auto;background:transparent;color:var(--muted);padding:.55rem}.text-button:hover:not(:disabled){background:#eceee9;color:var(--text)}.configuration-panel{border-bottom:1px solid var(--line);background:#fafbf9;padding:1rem clamp(1rem,4vw,2rem)}.configuration-heading-row{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;margin-bottom:.8rem}.configuration-heading-row h2{margin-bottom:.15rem}.configuration-heading-row p{margin-bottom:0;color:var(--muted);font-size:.9rem}code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.92em}.configuration-state{flex:0 0 auto;border-radius:999px;padding:.25rem .6rem;font-size:.76rem;font-weight:750}.configuration-state.applied{background:#e4f0e8;color:#24533e}.configuration-state.pending{background:#f2e8d8;color:#73501c}.configuration-json{min-height:220px;max-height:44vh;border-radius:8px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.78rem;line-height:1.45;tab-size:2}.configuration-actions{display:flex;flex-wrap:wrap;gap:.65rem;margin-top:.7rem}.secondary-button{border:1px solid #bfc3ba;background:white;color:var(--text)}.secondary-button:hover:not(:disabled){background:#eceee9}.configuration-summary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.65rem 1rem;margin:.9rem 0 0;border-top:1px solid var(--line);padding-top:.85rem}.configuration-summary div{min-width:0}.configuration-summary dt{color:var(--muted);font-size:.72rem;font-weight:750;letter-spacing:.05em;text-transform:uppercase}.configuration-summary dd{margin:.15rem 0 0;overflow-wrap:anywhere;font-size:.86rem}.configuration-warning{margin-top:.8rem;border-radius:9px;background:#f7f0e4;color:#65471d;padding:.7rem .85rem;font-size:.84rem}.configuration-warning ul{margin:.3rem 0 0;padding-left:1.2rem}.conversation{overflow-y:auto;padding:clamp(1rem,4vw,2rem)}.empty-state{width:min(100%,500px);margin:clamp(3rem,12vh,7rem) auto 0;text-align:center}.message-list{display:grid;gap:1rem}.message{width:min(86%,660px);border:1px solid var(--line);border-radius:14px;background:var(--surface);padding:.9rem 1rem}.message.user{justify-self:end;background:var(--user);border-color:#d5e0d9}.message-label{margin-bottom:.22rem;color:var(--muted);font-size:.74rem;font-weight:750;letter-spacing:.07em;text-transform:uppercase}.message-content{margin-bottom:0;white-space:pre-wrap;overflow-wrap:anywhere}.loading-message{display:flex;align-items:center;gap:.7rem;width:fit-content;margin-top:1rem;color:var(--muted);font-size:.92rem}.loading-dots{display:inline-flex;gap:.22rem}.loading-dots i{width:.38rem;height:.38rem;border-radius:999px;background:var(--accent);animation:pulse 1.2s ease-in-out infinite}.loading-dots i:nth-child(2){animation-delay:.15s}.loading-dots i:nth-child(3){animation-delay:.3s}.chat-error{margin-top:1rem}.composer{display:grid;grid-template-columns:1fr auto;align-items:end;gap:.75rem;border-top:1px solid var(--line);background:var(--surface);padding:1rem clamp(1rem,4vw,2rem)}.composer button{min-width:88px}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@keyframes pulse{0%,70%,to{opacity:.35;transform:translateY(0)}35%{opacity:1;transform:translateY(-2px)}}@media (max-width:620px){.chat-shell{border:0}.composer{grid-template-columns:1fr}.configuration-heading-row{display:grid}.configuration-summary{grid-template-columns:1fr}.composer button,.configuration-actions button{width:100%}.message{width:94%}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.loading-dots i{animation:none}}