:root{color-scheme:light;--ink:#172c25;--muted:#61746b;--line:#dce4dd;--paper:#fafbf7;--accent:#235c42;font:16px/1.5 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}body{margin:0;background:#eff2eb;color:var(--ink)}button,input,select,textarea{font:inherit}button,.file-button{border:1px solid var(--line);border-radius:12px;padding:10px 14px;background:var(--paper);color:var(--ink);cursor:pointer;min-height:44px}button:hover{background:#e6eee4}button:disabled{opacity:.45;cursor:wait}.primary{background:var(--accent);color:white;border-color:var(--accent)}.primary:hover{background:#19432f}#shell{max-width:900px;min-height:100dvh;margin:auto;background:var(--paper);padding:env(safe-area-inset-top) max(16px,env(safe-area-inset-right)) env(safe-area-inset-bottom) max(16px,env(safe-area-inset-left));display:flex;flex-direction:column}header{display:flex;align-items:center;justify-content:space-between;padding:22px 0;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px}.brand strong{letter-spacing:-.03em;font-size:20px}small{display:block;color:var(--muted);font-size:12px}#login{max-width:480px;margin:50px auto 100px}h1{font-weight:550;letter-spacing:-.04em;font-size:clamp(30px,7vw,46px);line-height:1.15}p{color:var(--muted)}#loginForm{display:grid;gap:12px}input,select,textarea{width:100%;min-width:0;border:1px solid var(--line);border-radius:10px;background:white;color:var(--ink);padding:12px}label{font-size:13px;color:var(--muted)}.selectors{display:grid;grid-template-columns:1fr 1.3fr auto;align-items:end;gap:10px;padding:18px 0}.selectors select{font-size:14px}nav{display:flex;gap:8px;flex-wrap:wrap}nav button{font-size:13px;padding:6px 12px}#timeline{min-height:260px;max-height:53dvh;overflow:auto;overscroll-behavior:contain;padding:24px 0}.empty{padding:25px 10px}.empty p{font-size:15px}.message{white-space:pre-wrap;overflow-wrap:anywhere;margin:12px 0;padding:14px 16px;border-radius:14px;background:#f0f3ed}.message.user{margin-left:25px;background:#e2ebdf}.message.agent{background:transparent;border-left:3px solid #9aba93;border-radius:0}.message.activity{font-size:13px;color:var(--muted);padding:8px 12px}.message.error{background:#fff0ec;color:#963f29}#composer{position:sticky;bottom:0;padding:12px 0 max(12px,env(safe-area-inset-bottom));background:var(--paper)}textarea{resize:vertical;max-height:30dvh}.composer-actions{display:flex;align-items:center;gap:8px;margin-top:8px}.composer-actions #working{flex:1;font-size:12px;color:var(--muted)}.file-button{position:relative;overflow:hidden;white-space:nowrap}.file-button input{position:absolute;opacity:0;inset:0;cursor:pointer}#attachments{font-size:12px;overflow-wrap:anywhere}.approval{border:1px solid #c9983d;background:#fff9e9;padding:16px;border-radius:12px;margin:12px 0}.approval pre{max-height:200px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere}.approval button{margin:6px 6px 0 0}.approval label{display:block;margin:8px 0}#notice{position:fixed;bottom:16px;left:16px;right:16px;max-width:650px;margin:auto;background:#752f20;color:white;padding:14px 18px;border-radius:10px;z-index:5}dialog{width:min(850px,95vw);max-height:85dvh;border:1px solid var(--line);border-radius:16px;padding:20px;background:var(--paper);color:var(--ink)}dialog::backdrop{background:#11281a88}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:12px}pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px}footer{margin-top:auto;padding:14px 0;font-size:11px;color:var(--muted)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}[hidden]{display:none!important}@media(max-width:480px){.selectors{grid-template-columns:1fr auto}.selectors label:first-child{grid-column:1/-1}.composer-actions button,.file-button{padding:9px 10px}header{padding:16px 0}#timeline{max-height:45dvh}.message{padding:12px}.brand strong{font-size:18px}}