:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#1f2937;background:#f6f1e8;--accent:#f38d2b;--line:#e5ddd0;--card:#fffaf2}*{box-sizing:border-box}body{margin:0;min-height:100dvh}button,input,textarea{font:inherit}button{border:0;border-radius:12px;background:var(--accent);color:#fff;padding:10px 14px;cursor:pointer}button:disabled{opacity:.5}input,textarea{border:1px solid var(--line);border-radius:12px;padding:12px;background:#fff}textarea{resize:none;min-height:88px}.error{color:#b91c1c}.loading{padding:32px}.auth-page{min-height:100dvh;display:grid;place-items:center;padding:24px}.auth-card{width:min(420px,100%);display:flex;flex-direction:column;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:0 20px 70px #0001}.card,.env-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px;margin:10px 0}.card.ok{border-color:#86efac}.card.missing,.card.error{border-color:#fca5a5}.notice{padding:10px 12px;color:#6b4e16}.slash-menu span{display:inline-block;margin:4px;padding:4px 8px;border-radius:999px;background:#fff}.app-shell{height:100dvh;display:flex;overflow:hidden}.sidebar{width:300px;background:#231f20;color:#fff;display:flex;flex-direction:column}.sidebar-head{height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;border-bottom:1px solid #ffffff22}.session-list{overflow:auto;padding:10px}.session{width:100%;display:flex;flex-direction:column;align-items:flex-start;gap:4px;margin-bottom:8px;background:#ffffff12;color:#fff;text-align:left}.session.active{background:var(--accent)}.session small{opacity:.75}.main{flex:1;min-width:0;display:flex;flex-direction:column;background:#f6f1e8}.topbar{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--line);background:#fffaf2}.topbar small{display:block;color:#777}.timeline{flex:1;overflow:auto;padding:18px;display:flex;flex-direction:column;gap:12px}.message{max-width:840px;border-radius:18px;padding:14px 16px;line-height:1.55}.message.assistant{background:#fff;border:1px solid var(--line)}.message.user{background:#2f2a2b;color:#fff;margin-left:auto}.message.user pre{white-space:pre-wrap;margin:0}.tool{background:#111827;color:#e5e7eb;border-radius:16px;padding:12px;overflow:auto}.tool pre{white-space:pre-wrap}.composer{border-top:1px solid var(--line);background:#fffaf2;padding:12px;display:flex;flex-direction:column;gap:8px}.composer-actions{display:flex;justify-content:space-between;gap:8px}.attachment-row{display:flex;gap:8px;flex-wrap:wrap}.chip{background:#f3e4cc;border-radius:999px;padding:4px 10px}.settings{display:flex;min-height:100dvh}.settings nav{width:220px;background:#231f20;padding:18px;display:flex;flex-direction:column;gap:10px}.settings nav a{color:#fff;text-decoration:none;padding:10px;border-radius:12px}.settings nav a.active{background:var(--accent)}.settings section{flex:1;padding:24px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}@media(max-width:768px){.app-shell{display:block}.sidebar{position:fixed;z-index:5;inset:0 auto 0 0;width:82vw;max-width:320px;transform:translate(-100%);box-shadow:20px 0 60px #0004}.sidebar:focus-within,.sidebar:hover{transform:translate(0)}.main{height:100dvh}.topbar{height:auto;min-height:58px;padding:10px 12px}.env-card{display:none}.timeline{padding:12px 12px 160px}.message{max-width:96%;font-size:15px}.composer{position:fixed;left:0;right:0;bottom:0;padding-bottom:max(12px,env(safe-area-inset-bottom));box-shadow:0 -10px 40px #0001}.settings{display:block}.settings nav{width:auto;flex-direction:row;overflow:auto}.settings section{padding:14px}.cards{grid-template-columns:1fr}}@media(max-width:480px){button{padding:9px 11px}.auth-card{padding:22px}.composer textarea{min-height:74px}}