:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#172b2a;background:#f2f6f4;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-weight:400}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.62}a{color:inherit}.app-shell{display:flex;min-height:100vh;flex-direction:column}.site-header{display:flex;min-height:4.5rem;align-items:center;justify-content:space-between;gap:1rem;padding:.9rem max(1.25rem,calc((100% - 76rem)/2));background:#fff;border-bottom:1px solid #dce7e2}.brand{color:#145b50;font-size:1.25rem;font-weight:750;text-decoration:none}.site-header>span,.account-controls{color:#51615e;font-size:.92rem}.account-controls{display:flex;align-items:center;gap:1rem}.login-main{display:grid;flex:1;place-items:center;padding:3rem 1.5rem}.login-card{width:min(100%,31rem);padding:clamp(1.5rem,5vw,3rem);background:#fff;border:1px solid #dce7e2;border-radius:1rem;box-shadow:0 1.5rem 4rem #173c3210}.eyebrow{margin:0;color:#146b5c;font-size:.76rem;font-weight:750;letter-spacing:.1em;text-transform:uppercase}.login-card h1{margin:.7rem 0;font-size:clamp(1.8rem,5vw,2.3rem)}.login-card>p:not(.eyebrow){color:#51615e;line-height:1.6}.login-card form{display:grid;gap:.65rem;margin-top:1.5rem}label{font-size:.94rem;font-weight:650}input,textarea{width:100%;padding:.8rem .9rem;color:#172b2a;background:#fff;border:1px solid #b9cbc4;border-radius:.55rem}input{margin-bottom:.7rem}textarea{min-height:5rem;resize:vertical}input:focus,textarea:focus{border-color:#146b5c}.primary-button,.secondary-button,.text-button,.icon-button,.delete-button{border:0;border-radius:.55rem;font-weight:650}.primary-button{padding:.76rem 1.05rem;color:#fff;background:#146b5c}.primary-button:hover:not(:disabled){background:#0f5146}.secondary-button{padding:.55rem .75rem;color:#145b50;background:#eef5f2}.secondary-button:hover{background:#e0eee8}.chat-layout{display:grid;width:min(100% - 2rem,76rem);min-height:35rem;flex:1;grid-template-columns:minmax(15rem,20rem) minmax(0,1fr);margin:1.5rem auto;overflow:hidden;background:#fff;border:1px solid #dce7e2;border-radius:1rem;box-shadow:0 1.5rem 4rem #173c3208}.conversation-panel{padding:1.2rem;background:#f8fbf9;border-right:1px solid #dce7e2}.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:.5rem;margin-bottom:1rem}.panel-heading h1{margin:0;font-size:1.1rem}.icon-button{width:2.25rem;height:2.25rem;color:#fff;background:#146b5c;font-size:1.35rem;line-height:1}.conversation-list{display:grid;gap:.5rem;margin:0;padding:0;list-style:none}.conversation-entry{position:relative;display:flex;align-items:stretch;gap:.35rem}.conversation-select{display:grid;min-width:0;flex:1;gap:.25rem;padding:.75rem;color:#263b37;background:transparent;border:1px solid transparent;border-radius:.55rem;text-align:left}.conversation-select span{overflow:hidden;font-weight:600;text-overflow:ellipsis;white-space:nowrap}.conversation-select time{color:#687875;font-size:.76rem}.conversation-select:hover,.conversation-select[aria-current=page]{background:#eaf3ef;border-color:#d2e4dc}.delete-button{align-self:center;padding:.45rem .5rem;color:#80503e;background:transparent;font-size:.78rem}.delete-button:hover{background:#f7e9e4}.empty-history,.muted{color:#687875;font-size:.9rem;line-height:1.5}.text-button{padding:0;color:#146b5c;background:transparent;text-align:left;text-decoration:underline;text-underline-offset:.15em}.chat-panel{display:flex;min-width:0;min-height:35rem;flex-direction:column}.chat-panel-heading{padding:1.5rem 1.75rem 1rem;border-bottom:1px solid #edf1ef}.chat-panel-heading h2{margin:.45rem 0;font-size:1.4rem}.chat-panel-heading>p:last-child{margin:0;color:#687875;font-size:.9rem;line-height:1.5}.error-message,.error-banner{color:#8c3027;line-height:1.5}.error-banner{margin:.85rem 1.5rem 0;padding:.75rem 1rem;background:#fff3f0;border:1px solid #f0c9c1;border-radius:.5rem}.message-list{display:flex;min-height:15rem;flex:1;flex-direction:column;gap:1rem;overflow-y:auto;padding:1.5rem}.empty-chat,.centered-state{margin:auto;color:#687875;text-align:center;line-height:1.6}.empty-chat .primary-button{margin-top:.5rem}.message{max-width:min(90%,42rem);padding:1rem 1.1rem;border-radius:.85rem;line-height:1.65;overflow-wrap:anywhere}.message h3{margin:0 0 .4rem;color:#145b50;font-size:.85rem}.message p{margin:0;white-space:pre-wrap}.message-user{align-self:flex-end;background:#edf5f1;border-bottom-right-radius:.25rem}.message-assistant{align-self:flex-start;background:#f7f8f7;border:1px solid #e5ebe8;border-bottom-left-radius:.25rem}.citations{margin-top:1rem;padding-top:.8rem;border-top:1px solid #dce7e2;font-size:.85rem}.citations h4{margin:0 0 .45rem;color:#145b50}.citations ul{display:grid;gap:.35rem;margin:0;padding-left:1.15rem}.citations li{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.25rem 1rem}.question-form{display:grid;gap:.7rem;padding:1rem 1.5rem 1.5rem;border-top:1px solid #edf1ef}.composer-footer{display:flex;align-items:center;justify-content:space-between;gap:1rem}.composer-footer .muted{font-size:.78rem}footer{padding:1rem;color:#687875;font-size:.82rem;text-align:center}.config-error{width:min(100% - 3rem,48rem);margin:10vh auto;padding:2rem;background:#fff;border-left:.35rem solid #b05b28;border-radius:.5rem;box-shadow:0 1rem 3rem #173c3210;line-height:1.6}.config-error h1{font-size:2rem}.config-error code{color:#145b50;font-weight:700}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;clip-path:inset(50%)}:focus-visible{outline:3px solid #dc9a48;outline-offset:3px}@media(max-width:680px){.site-header{flex-wrap:wrap}.account-controls{flex-wrap:wrap;justify-content:flex-end}.chat-layout{width:min(100% - 1rem,40rem);grid-template-columns:1fr;margin:.5rem auto}.conversation-panel{border-right:0;border-bottom:1px solid #dce7e2}.conversation-list{max-height:10rem;overflow:auto}.chat-panel{min-height:29rem}.message{max-width:100%}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}