:root{color:#243c36;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--accent:#17614f;--muted:#596b64;--line:#d8e0da;background:#fafbf9;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0}button,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}button,textarea{-webkit-tap-highlight-color:transparent}button:focus-visible,textarea:focus-visible,a:focus-visible,summary:focus-visible{outline-offset:3px;outline:3px solid #387c69}::selection{color:#123d31;background:#c7e5d9}*{scrollbar-width:thin;scrollbar-color:#a9bcb0 transparent}.workspace{grid-template-columns:270px minmax(0,1fr);height:100dvh;min-height:360px;display:grid;overflow:hidden}.skip-link{z-index:10;color:#fff;background:var(--accent);border-radius:6px;padding:12px 18px;position:fixed;top:-60px;left:16px}.skip-link:focus{top:10px}.sidebar{border-right:1px solid var(--line);background:#f0f4ef;flex-direction:column;min-height:0;display:flex}.sidebar-top{color:#365449;align-items:center;gap:12px;padding:30px 24px 32px;font-size:14px;line-height:1.4;display:flex}.sidebar-top strong{color:#1c3e32;letter-spacing:-.025em;font-size:19px;font-weight:650}.app-mark{background:#ddeae0;border-radius:10px;place-items:center;width:38px;height:38px;display:grid}.app-mark svg{width:24px;height:24px;stroke:var(--accent);stroke-width:1.5px;stroke-linecap:round;stroke-linejoin:round}.sidebar-content{flex-direction:column;flex:1;min-height:0;padding:0 16px;display:flex}.primary-button,.secondary-button{border:1px solid #0000;border-radius:7px;justify-content:center;align-items:center;gap:10px;min-height:42px;padding:10px 16px;font-size:13px;font-weight:600;line-height:1.4;transition:background .16s ease-out,border-color .16s ease-out;display:inline-flex}.primary-button{color:#fff;background:var(--accent)}.primary-button:hover:not(:disabled){background:#104c3d}.secondary-button{color:#294c3f;background:#fff;border-color:#ccd8cf}.secondary-button:hover:not(:disabled){background:#eef4ef;border-color:#9eb6a7}.new-button{justify-content:space-between;width:100%}.new-button span{font-size:20px;font-weight:400;line-height:16px}.list-heading{color:var(--muted);justify-content:space-between;padding:29px 10px 13px;font-size:12px;font-weight:600;display:flex}.list-heading span{font-variant-numeric:tabular-nums}.sidebar nav{min-height:0;overflow:auto}.conversation-list{margin:0;padding:0;list-style:none}.conversation-list li+li{margin-top:5px}.conversation-list button{text-align:left;color:#395347;background:0 0;border:1px solid #0000;border-radius:6px;width:100%;padding:13px 11px;display:block}.conversation-list button:hover{background:#e5ede5}.conversation-list button[aria-current]{color:#183e2f;background:#e0ebe1;border-color:#c4d7c9}.conversation-name{align-items:center;gap:8px;font-size:13px;font-weight:650;display:flex}.conversation-preview{white-space:nowrap;text-overflow:ellipsis;color:#4d6557;margin-top:6px;font-size:12px;line-height:1.4;display:block;overflow:hidden}.archived-label{color:#58695f;margin-top:7px;font-size:11px;display:block}.saved-pending{background:var(--accent);border-radius:50%;width:6px;height:6px}.no-conversations{color:var(--muted);margin:8px 10px;font-size:12px;line-height:1.6}.local-note{color:#52675a;border-top:1px solid #d1ddd2;flex-shrink:0;margin:24px 26px;padding-top:18px;font-size:11px;line-height:1.65}.main-panel{outline:none;grid-template-rows:auto minmax(0,1fr) auto;min-width:0;min-height:0;display:grid}.main-header{background:#fafbf9;border-bottom:1px solid #e4e9e2;justify-content:space-between;align-items:center;gap:24px;padding:26px 40px 22px;display:flex}.header-title h1{letter-spacing:-.025em;color:#243e32;margin:0;font-size:18px;font-weight:650;line-height:1.3}.header-title p{color:var(--muted);margin:6px 0 0;font-size:12px;line-height:1.4}.export-button{flex-shrink:0;font-size:12px}.export-button svg,.send-button svg{stroke:currentColor;stroke-width:1.6px;stroke-linecap:round;stroke-linejoin:round;width:18px;height:18px}.sidebar-toggle{display:none}.conversation-scroll{overscroll-behavior:contain;min-height:0;overflow-y:auto}.conversation-content{max-width:860px;margin:0 auto;padding:24px 36px}.empty-state{max-width:590px;margin:0 auto;padding:clamp(30px,9vh,96px) 0 30px}.empty-line{background:var(--accent);width:36px;height:3px;margin-bottom:28px}.empty-state h2{letter-spacing:-.035em;color:#254838;text-wrap:balance;margin:0 0 24px;font-size:clamp(26px,3vw,36px);font-weight:550;line-height:1.24}.empty-state p{color:#3d594a;max-width:57ch;margin:0 0 18px;font-size:15px;line-height:1.75}.empty-state .empty-detail{color:var(--muted);font-size:13px}.empty-state .primary-button{margin-top:14px}.conversation-empty h2{font-size:29px}.messages{max-width:73ch;margin:0 auto}.turn{padding:0 0 30px}.turn+.turn{border-top:1px solid #e1e8e0;padding-top:22px}.message{margin:0 0 24px}.message-meta{color:#667369;font-variant-numeric:tabular-nums;flex-wrap:wrap;align-items:baseline;gap:12px;font-size:11px;line-height:1.5;display:flex}.message-meta strong{color:#325240;font-size:12px;font-weight:650}.message-meta time{margin-left:auto}.message-text{white-space:pre-wrap;overflow-wrap:anywhere;color:#293f34;margin:10px 0 0;font-size:15px;line-height:1.8}.question{background:#f0f4ee;border-radius:8px;padding:17px 20px}.answer{padding:1px 5px}.answer .message-meta strong{color:var(--accent)}.answer-note{color:#755c2b;margin:16px 0 0;font-size:12px;line-height:1.65}.request-status{color:#536b5a;align-items:center;gap:10px;margin:16px 5px;font-size:13px;display:flex}.activity-dot{background:var(--accent);border-radius:50%;width:7px;height:7px;animation:1.8s ease-in-out infinite breathe}.request-error{color:#754a36;padding:0 5px;font-size:13px;line-height:1.65}.request-error p{margin:0 0 8px}.text-button{color:var(--accent);text-underline-offset:4px;background:0 0;border:0;padding:3px 0;font-size:12px;font-weight:600;line-height:1.6;text-decoration:underline}.text-button:hover:not(:disabled){color:#0c4333;text-decoration-thickness:2px}.attempt-history{color:#657164;overflow-wrap:anywhere;margin:16px 5px 0;font-size:11px;line-height:1.7}.attempt-history summary{cursor:pointer}.attempt-history ul{padding-left:20px}.banner{color:#64592d;background:#f8f6e9;border:1px solid #d9d6bd;border-radius:7px;margin:0 0 24px;padding:16px 18px;font-size:13px;line-height:1.65}.banner p{margin:0}.banner strong+p{margin-top:5px}.banner .text-button{color:#5b5224;margin-top:7px}.error-banner{color:#764b31;background:#fbf1e9;border-color:#e4c8b6}.error-banner .text-button{color:#764b31}.composer-area{background:#fafbf9;border-top:1px solid #e4e9e2;padding:14px 36px 20px}.composer{max-width:788px;margin:0 auto}.composer-label{justify-content:space-between;align-items:baseline;margin:0 0 9px;font-size:12px;line-height:1.5;display:flex}.composer-label label{color:#405c49;font-weight:600}.composer-label span{color:#68756a;font-variant-numeric:tabular-nums;font-size:11px}.composer-label .over-limit{color:#a03f29;font-weight:600}.input-row{background:#fff;border:1px solid #bacbbd;border-radius:9px;align-items:flex-end;gap:12px;padding:9px;display:flex}.input-row:focus-within{border-color:var(--accent);box-shadow:0 2px 10px #3159400b}.input-row textarea{resize:vertical;color:#243f31;width:100%;min-width:0;max-height:160px;caret-color:var(--accent);background:0 0;border:0;outline:0;flex:1;padding:4px 5px;font-size:14px;line-height:1.6;display:block}.input-row textarea:focus-visible{outline:none}.input-row textarea::placeholder{color:#6a7a6d;opacity:1}.input-row textarea:disabled{color:#647568}.send-button{flex-shrink:0;min-height:38px;padding:9px 14px}.input-help{color:#647365;margin:10px 2px 0;font-size:10px;line-height:1.5}.mobile-local-note{display:none}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@keyframes breathe{50%{opacity:.35}}@media (width>=1500px){.workspace{grid-template-columns:290px minmax(0,1fr)}}@media (width<=900px){.workspace{grid-template-columns:230px minmax(0,1fr)}.sidebar-top{padding-left:20px}.main-header{gap:14px;padding:23px 26px}.conversation-content{padding:24px}.composer-area{padding:14px 24px 18px}.export-button{padding:9px 12px}}@media (width<=650px){.workspace{flex-direction:column;display:flex}.sidebar{border-right:0;flex-shrink:0;order:1}.sidebar-top,.local-note{display:none}.sidebar-content{border-bottom:1px solid var(--line);max-height:38dvh;padding:14px 16px 16px;display:none}.sidebar-open .sidebar-content{display:flex}.list-heading{padding-top:15px}.sidebar-content nav{max-height:21dvh}.new-button{min-height:38px}.main-panel{display:contents}.main-header{order:0;align-items:flex-start;gap:12px;padding:13px 16px}.header-title h1{margin-top:9px;font-size:16px}.header-title p{font-size:11px}.sidebar-toggle{color:#4e6b58;text-underline-offset:3px;background:0 0;border:0;min-height:24px;padding:0;font-size:11px;text-decoration:underline;display:inline-flex}.export-button{gap:6px;min-height:37px;margin-top:5px;padding:8px 9px;font-size:10px}.export-button svg{width:15px;height:15px}.conversation-scroll{flex:1;order:2}.conversation-content{padding:22px 18px}.empty-state{padding-top:5vh}.empty-state h2{font-size:29px}.empty-state p{font-size:14px}.empty-state .empty-detail{font-size:12px}.empty-line{margin-bottom:20px}.message-text{font-size:14px;line-height:1.8}.question{padding:14px 15px}.message-meta{gap:9px;font-size:10px}.message-meta strong{font-size:11px}.composer-area{padding:12px 15px max(14px, env(safe-area-inset-bottom));flex-shrink:0;order:3}.input-row{gap:7px;padding:7px}.input-row textarea{min-height:55px;font-size:16px}.send-button{gap:4px;padding:9px 12px;font-size:12px}.send-button svg{display:none}.input-help{font-size:9px}.mobile-local-note{color:#526555;margin:8px 2px 0;font-size:10px;line-height:1.5;display:block}.composer-label{font-size:11px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}