:root{color-scheme:light;--cloud:#f7f7f8;--sidebar:#ececef;--white:#ffffff;--ink:#202024;--muted:#6b6b75;--blue:#2267d8;font-family:"Segoe UI","DejaVu Sans",sans-serif;color:var(--ink);background:var(--cloud)}
*{box-sizing:border-box}body{margin:0;height:100dvh;display:flex;flex-direction:column;font-size:13px}button,input,textarea,select{font:inherit}button{cursor:pointer;border:1px solid var(--sidebar);border-radius:6px;padding:7px 12px;background:var(--white);color:var(--ink);white-space:nowrap}button:hover:enabled{border-color:var(--muted)}button:disabled{cursor:not-allowed;color:var(--muted);background:var(--cloud)}:focus-visible{outline:2px solid var(--blue);outline-offset:3px}[hidden]{display:none!important}.subtle{color:var(--muted);font-size:12px;line-height:1.7}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.toolbar{min-height:50px;padding:9px 18px;display:flex;align-items:center;gap:16px;background:var(--cloud);border-bottom:1px solid var(--sidebar);flex-wrap:wrap;flex-shrink:0}.toolbar h1{font-size:13px;font-weight:500;margin:0;display:flex;gap:12px;align-items:center}.toolbar h1 span{font-size:15px;font-weight:700;letter-spacing:-.5px}.project-scope{font-size:11px;color:var(--muted)}.state{display:flex;align-items:center;gap:7px;font:10px "DejaVu Sans Mono",monospace;margin-left:auto}#signal{width:6px;height:6px;background:var(--muted);border-radius:50%}.toolbar button{font-size:11px;padding:5px 9px}body.live #signal{background:var(--blue)}body.stale #signal{background:var(--ink)}.readonly{font-size:10px;color:var(--muted)}
.workspace{display:grid;grid-template-columns:210px minmax(360px,.8fr) minmax(0,1.45fr);flex:1;min-height:0}.sidebar{background:var(--sidebar);padding:22px 16px;display:flex;flex-direction:column;min-height:0;overflow:auto}.project-label{display:flex;align-items:center;gap:10px}.project-mark{display:grid;place-items:center;width:30px;height:32px;background:var(--white);border-radius:7px;font:600 15px "Segoe UI","DejaVu Sans",sans-serif}.project-label strong{display:block;font-size:13px;font-weight:600}.project-label div>span{display:block;font:9px "DejaVu Sans Mono",monospace;color:var(--muted);margin-top:5px}.thread-heading{display:flex;align-items:center;justify-content:space-between;margin-top:34px}.thread-heading h2{font-size:11px;color:var(--muted);font-weight:500;margin:0}.thread-heading>span{font:10px "DejaVu Sans Mono",monospace;color:var(--muted)}.thread-list{list-style:none;padding:0;margin:6px 0;overflow-wrap:anywhere}.thread-list li{padding:9px 4px;font-size:12px;border-bottom:1px solid var(--cloud)}.thread-open{display:block;width:100%;text-align:left;white-space:normal;overflow-wrap:anywhere;padding:4px 0;background:transparent;border:0;font-size:12px}.thread-open:hover:enabled{color:var(--blue)}.thread-open:focus-visible{outline-offset:1px}.thread-meta{display:block;font-size:10px;line-height:1.7;color:var(--muted);margin-top:4px}.thread-note{font-size:10px;line-height:1.8;color:var(--muted);margin:8px 0 0}.sidebar-foot{margin-top:auto;padding-top:32px;display:grid;gap:7px;font-size:10px;color:var(--muted)}
.mcp-proof{margin-top:24px;border-top:2px solid var(--blue);padding-top:10px;font-size:10px;line-height:1.8}.mcp-proof summary{cursor:pointer;font-weight:600;color:var(--ink)}.mcp-proof p{margin:9px 0}.mcp-proof .proof-scope{color:var(--muted)}.proof-code{font:9px/1.8 "DejaVu Sans Mono",monospace;overflow-wrap:anywhere;white-space:pre-wrap}
.conversation{background:var(--white);display:flex;flex-direction:column;min-height:0;min-width:0;border-right:1px solid var(--sidebar)}.pane-heading{min-height:68px;display:flex;justify-content:space-between;align-items:center;gap:10px;padding:16px 20px;border-bottom:1px solid var(--sidebar);flex-shrink:0}.pane-heading h2{font-size:14px;font-weight:600;margin:0}.pane-heading p{font-size:10px;color:var(--muted);margin:6px 0 0}.pane-heading button{font-size:11px}.native-strip{display:flex;gap:6px 14px;flex-wrap:wrap;padding:13px 20px;color:var(--muted);font-size:10px;border-bottom:1px solid var(--cloud)}.conversation-empty{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:36px 28px;min-height:220px}.conversation-symbol{font-size:38px;line-height:1;color:var(--ink);margin-bottom:15px}.conversation-empty h3{font-size:21px;font-weight:500;letter-spacing:-.4px;margin:0 0 12px}.conversation-empty p{font-size:12px;line-height:1.9;color:var(--muted);max-width:310px;margin:0}.conversation-empty .independence-note{font-size:10px;margin-top:14px}.composer{margin:0 20px;border:1px solid var(--sidebar);border-radius:12px;background:var(--cloud);padding:12px}.composer textarea{resize:none;width:100%;height:64px;background:transparent;border:0;line-height:1.7;font-size:12px;color:var(--muted);opacity:1}.composer textarea::placeholder{color:var(--muted);opacity:1}.composer-foot{display:flex;justify-content:space-between;align-items:center;gap:10px}.composer-foot span{font-size:10px;color:var(--muted)}.composer-foot button{font-size:11px}.native-error{margin:10px 20px 0;font-size:11px;line-height:1.6;color:var(--ink)}.native-error:empty{display:none}.native-transport{font:9px/1.6 "DejaVu Sans Mono",monospace;color:var(--muted);margin:10px 20px 16px;overflow-wrap:anywhere}
.sandbox-note{margin:0;padding:0 20px 10px;font-size:10px;line-height:1.8;color:var(--muted);background:var(--white)}
.thread-history{flex:1;min-height:180px;overflow-y:auto;padding:20px;overflow-wrap:anywhere}.thread-history>h3{font-size:14px;font-weight:600;margin:0 0 10px}.history-notice{font-size:10px;line-height:1.7;color:var(--muted)}.history-message{padding:14px 0;border-bottom:1px solid var(--cloud)}.history-role{font-size:10px;font-weight:600;color:var(--muted);margin:0 0 8px}.history-text{font-size:12px;line-height:1.9;white-space:pre-wrap;overflow-wrap:anywhere;margin:0}.history-omitted{font-size:10px;line-height:1.8;color:var(--muted);margin:8px 0 0}#history-error{font-size:12px;line-height:1.8}#history-error:empty{display:none}
.catalogue{padding:12px 20px;border-bottom:1px solid var(--cloud);flex-shrink:0}.catalogue-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}.catalogue-heading h3{font-size:11px;font-weight:600;margin:0}.catalogue-heading span{font-size:10px;color:var(--muted)}.catalogue>label{font-size:10px;color:var(--muted);margin-right:8px}.catalogue select{max-width:calc(100% - 65px);min-width:160px;padding:6px 8px;border:1px solid var(--sidebar);border-radius:5px;background:var(--white);color:var(--ink);font-size:11px}.catalogue select:disabled{background:var(--cloud);color:var(--muted)}.catalogue-detail{font:10px/1.8 "DejaVu Sans Mono",monospace;margin:8px 0 0;white-space:pre-line;overflow-wrap:anywhere}.catalogue-detail:empty{display:none}.catalogue-notice{font-size:10px;line-height:1.7;color:var(--muted);margin:8px 0 0}
.desktop-pane{display:flex;flex-direction:column;min-height:0;min-width:0;background:var(--cloud)}.desktop-pane .pane-heading{background:var(--white)}.viewport{flex:1;min-height:0;position:relative;display:grid;place-items:center;overflow:hidden;padding:14px}#desktop{display:block;position:absolute;inset:14px;width:calc(100% - 28px);height:calc(100% - 28px);object-fit:contain;user-select:none}.brackets{position:absolute;inset:8px;pointer-events:none;opacity:0}.brackets:before,.brackets:after{content:"";position:absolute;width:17px;height:17px;border-color:var(--blue);border-style:solid}.brackets:before{top:0;left:0;border-width:1px 0 0 1px}.brackets:after{bottom:0;right:0;border-width:0 1px 1px 0}.viewport.has-frame .brackets{opacity:1}.viewport.stale .brackets:before,.viewport.stale .brackets:after{border-color:var(--muted)}#waiting{font:11px/1.7 "DejaVu Sans Mono",monospace;color:var(--muted);text-align:center}.desktop-foot{padding:10px 18px;border-top:1px solid var(--sidebar);color:var(--muted);font-size:10px}
#login-stage{flex:1;display:grid;place-items:center;padding:32px 20px;overflow:auto}#login{width:min(100%,390px)}.eyebrow{font:10px "DejaVu Sans Mono",monospace;color:var(--muted)}#login h2{font-size:28px;letter-spacing:-.7px;font-weight:500;margin:18px 0 12px}.intro{font-size:12px;line-height:1.9;margin-bottom:28px;color:var(--muted)}#login label{display:block;font-size:12px;margin:16px 0 7px}input{width:100%;border:1px solid var(--sidebar);border-radius:6px;background:var(--white);padding:11px;color:var(--ink)}#submit{width:100%;margin-top:22px;background:var(--blue);color:var(--white);border:0}.session-note{font-size:10px;line-height:1.8;color:var(--muted)}#error{font-size:12px;line-height:1.6;min-height:1.6em}
@media(max-width:999px){body{height:auto;min-height:100dvh}.workspace{grid-template-columns:1fr}.sidebar{padding:16px 20px}.thread-heading{margin-top:18px}.sidebar-foot{margin-top:14px;padding-top:0;display:flex;gap:14px}.conversation{border-right:0;border-bottom:1px solid var(--sidebar)}.conversation-empty{min-height:230px}.desktop-pane{min-height:65dvh}.viewport{min-height:50dvh}.project-scope{display:none}#login-stage{min-height:calc(100dvh - 50px)}}
@media(max-width:520px){.toolbar{padding:10px 12px;gap:10px}.state{font-size:9px}.toolbar h1{font-size:11px;gap:7px}.pane-heading{padding:14px 16px;flex-wrap:wrap}.composer{margin:0 16px}.readonly{font-size:9px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}