:root{color-scheme:light;--ink:#17251f;--muted:#64726c;--paper:#f5f2eb;--card:#fff;--accent:#27634c;--line:#d9dfdc;--danger:#a23838;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--paper);color:var(--ink)}body{min-height:100dvh}button,input,textarea{font:inherit}button{min-height:44px;border:0;border-radius:12px;padding:.7rem 1rem;background:var(--accent);color:#fff;font-weight:700;cursor:pointer}button.secondary{background:#e7ece9;color:var(--ink)}.eyebrow{margin:0;color:var(--accent);font-size:.72rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.login-page{display:grid;place-items:center;padding:1.25rem}.login-card{width:min(100%,420px);padding:2rem;border:1px solid var(--line);border-radius:22px;background:var(--card);box-shadow:0 18px 55px #17251f14}.login-card h1{font-size:1.8rem;margin:.45rem 0}.login-card form{display:grid;gap:1rem;margin-top:1.5rem}label{display:grid;gap:.45rem;font-weight:700}input,textarea{width:100%;border:1px solid #b9c4bf;border-radius:12px;background:#fff;color:var(--ink);padding:.8rem;font-size:16px}.error{color:var(--danger);font-weight:700}.app-shell{min-height:100dvh;display:grid;grid-template-rows:auto 1fr}header{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:max(1rem,env(safe-area-inset-top)) max(1rem,env(safe-area-inset-right)) 1rem max(1rem,env(safe-area-inset-left));background:var(--ink);color:#fff}header h1{font-size:1.15rem;margin:.2rem 0 0}.user-controls{display:flex;align-items:center;gap:.7rem;font-size:.9rem}.status{color:#c9d6d0}.user-controls form{margin:0}.workspace{min-height:0;display:grid;grid-template-columns:270px 1fr}aside{border-right:1px solid var(--line);background:#eef0ec;padding:1rem;overflow:auto}.aside-title{display:flex;justify-content:space-between;align-items:center;gap:.5rem}.aside-title h2{font-size:1rem}.conversation-link{display:block;width:100%;margin:.35rem 0;padding:.75rem;border:1px solid transparent;border-radius:10px;background:transparent;color:var(--ink);text-align:left;font-weight:600}.conversation-link.active{border-color:var(--line);background:#fff}.chat{min-width:0;display:grid;grid-template-rows:1fr auto;background:#faf9f5}#messages{overflow:auto;padding:1.25rem max(1rem,calc((100% - 760px)/2));display:flex;flex-direction:column;gap:.75rem}.empty{margin:auto;text-align:center;color:var(--muted)}.message{max-width:82%;padding:.8rem 1rem;border-radius:16px;white-space:pre-wrap;overflow-wrap:anywhere}.message.user{align-self:flex-end;background:var(--accent);color:#fff;border-bottom-right-radius:4px}.message.assistant{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px}#composer{position:sticky;bottom:0;display:grid;grid-template-columns:1fr auto;gap:.7rem;padding:1rem max(1rem,calc((100% - 760px)/2)) max(1rem,env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#faf9f5}#composer textarea{resize:none;max-height:140px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:700px){header{align-items:flex-start}.status{display:none}.workspace{grid-template-columns:1fr;grid-template-rows:auto 1fr}aside{border-right:0;border-bottom:1px solid var(--line);padding:.65rem 1rem;max-height:150px}.aside-title h2{margin:.5rem 0}#conversation-list{display:flex;gap:.4rem;overflow-x:auto}.conversation-link{min-width:150px;margin:0}.chat{min-height:0}.user-controls{flex-wrap:wrap;justify-content:flex-end}#messages{padding:1rem}.message{max-width:90%}#composer{padding:.75rem max(.75rem,env(safe-area-inset-right)) max(.75rem,env(safe-area-inset-bottom)) max(.75rem,env(safe-area-inset-left))}}.message.loading-message{color:var(--muted);font-style:italic}.message.error-message{color:var(--danger)}.approval-card{align-self:flex-start;width:min(100%,680px);padding:1rem;border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:14px;background:#fff}.approval-card h3{margin:0 0 .65rem}.approval-card pre{margin:0;white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;color:var(--ink)}.approval-state{margin:.8rem 0;color:var(--muted);font-weight:700;text-transform:capitalize}.approval-controls{display:flex;gap:.6rem}.approval-controls button:disabled,#composer button:disabled{cursor:not-allowed;opacity:.55}