:root{--bg:#faf9f7;--surface:#fff;--sidebar:#f2f0ec;--border:#e4e0d8;--text:#1f1e1c;--muted:#6b675f;--primary:#1f4f46;--primary-text:#fff;--user-bubble:#e9efe9;--error:#a3352f;--running:#a57619;--radius:12px;--font:ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, "SF Mono", Menlo, Consolas, monospace}@media (prefers-color-scheme:dark){:root{--bg:#161816;--surface:#1d201e;--sidebar:#121412;--border:#2e3330;--text:#ecebe7;--muted:#a3a8a4;--primary:#6fc3ad;--primary-text:#0f1311;--user-bubble:#243029;--error:#ef8a83;--running:#e2b45a}}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;color:var(--text);font-family:var(--font);margin:0;font-size:16px;line-height:1.5}button{font:inherit;cursor:pointer;background:var(--primary);color:var(--primary-text);border:0;border-radius:10px;padding:.55rem 1rem}button:disabled{opacity:.5;cursor:not-allowed}button.secondary{color:var(--text);border:1px solid var(--border);background:0 0}:focus-visible{outline:3px solid var(--primary);outline-offset:2px}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.muted{color:var(--muted);font-size:.875rem}.form-error,.msg-error{color:var(--error);font-size:.9rem}.login,.empty-page{place-items:center;min-height:100%;padding:1rem;display:grid}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;gap:.6rem;width:min(360px,100%);padding:2rem;display:flex}.login-card h1{margin:0 0 .5rem;font-size:1.4rem}input,select,textarea{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:.6rem .75rem}.studio{grid-template-columns:290px 1fr;height:100vh;display:grid}.sidebar{background:var(--sidebar);border-right:1px solid var(--border);flex-direction:column;gap:.6rem;min-height:0;padding:1rem;display:flex}.brand{letter-spacing:-.01em;font-weight:700}.repo-link{color:var(--muted);word-break:break-all;font-size:.8rem}.new-chat{margin-top:.4rem}.chat-list{flex-direction:column;flex:1;gap:2px;margin:.4rem -.4rem;display:flex;overflow-y:auto}.chat-link{border-radius:10px;align-items:center;display:flex}.chat-link.active,.chat-link:hover{background:var(--border)}.chat-link>button:first-child{min-width:0;color:var(--text);text-align:left;background:0 0;flex-direction:column;flex:1;align-items:flex-start;gap:2px;padding:.5rem .6rem;display:flex}.chat-title{text-overflow:ellipsis;white-space:nowrap;width:100%;overflow:hidden}.archive{color:var(--muted);opacity:0;background:0 0;padding:.3rem .6rem}.chat-link:hover .archive,.archive:focus-visible{opacity:1}.logout{color:var(--muted);text-align:left;background:0 0;padding-left:0}.badge{color:var(--muted);font-size:.72rem}.badge-running,.badge-rescheduling{color:var(--running)}.badge-terminated{color:var(--error)}.main{min-width:0;min-height:0;display:flex}.empty{text-align:center;max-width:460px;margin:auto;padding:1rem}.chat{flex-direction:column;flex:1;min-height:0;display:flex}.chat-header{border-bottom:1px solid var(--border);align-items:baseline;gap:.75rem;padding:.9rem 1.5rem;display:flex}.chat-header h1{margin:0;font-size:1.05rem}.messages{flex-direction:column;flex:1;gap:.75rem;width:100%;max-width:900px;margin:0 auto;padding:1.5rem;display:flex;overflow-y:auto}.hint{text-align:center;margin:auto}.msg{white-space:pre-wrap;word-wrap:break-word}.msg-user{background:var(--user-bubble);border-radius:var(--radius);align-self:flex-end;max-width:80%;padding:.6rem .9rem}.msg-pending{opacity:.6}.msg-agent{align-self:stretch}.tool{border:1px solid var(--border);background:var(--surface);border-radius:10px;font-size:.85rem}.tool summary{cursor:pointer;align-items:baseline;gap:.6rem;padding:.45rem .7rem;list-style:none;display:flex}.tool summary::-webkit-details-marker{display:none}.tool-name{font-weight:600;font-family:var(--mono)}.tool-summary{color:var(--muted);font-family:var(--mono);text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.tool-running{color:var(--running);font-size:.75rem}.tool-error{border-color:var(--error)}.tool-input,.tool-output{border-top:1px solid var(--border);font-family:var(--mono);white-space:pre-wrap;word-break:break-word;max-height:320px;margin:0;padding:.6rem .7rem;font-size:.8rem;overflow:auto}.typing{color:var(--running);font-size:.875rem}@media (prefers-reduced-motion:no-preference){.typing{animation:1.6s ease-in-out infinite pulse}}@keyframes pulse{50%{opacity:.45}}.composer{border-top:1px solid var(--border);width:100%;max-width:900px;margin:0 auto;padding:.9rem 1.5rem 1.1rem}.composer textarea{resize:vertical;width:100%;min-height:72px}.composer-actions{align-items:center;gap:.5rem;margin-top:.5rem;display:flex}.composer-actions .muted{flex:1}@media (max-width:760px){.studio{grid-template-rows:auto 1fr;grid-template-columns:1fr}.sidebar{max-height:40vh}}.sidebar-footer{align-items:center;gap:.75rem;font-size:.875rem;display:flex}.sidebar-footer a{color:var(--text)}.sidebar-footer .logout{margin-left:auto;padding:.3rem 0}.admin{flex-direction:column;gap:2rem;max-width:920px;margin:0 auto;padding:2rem 1.5rem 4rem;display:flex}.admin-header{align-items:baseline;gap:1rem;display:flex}.admin-header h1{margin:0;font-size:1.4rem}.admin-header a{color:var(--text);margin-left:auto}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem 1.5rem}.panel h2{margin:0 0 .75rem;font-size:1.1rem}.form-row{flex-wrap:wrap;align-items:flex-end;gap:.6rem;margin-top:.75rem;display:flex}.form-row label{color:var(--muted);flex-direction:column;flex:1;gap:.25rem;min-width:160px;font-size:.85rem;display:flex}.table{border-collapse:collapse;width:100%;margin-top:.5rem;font-size:.9rem}.table th,.table td{text-align:left;border-bottom:1px solid var(--border);vertical-align:top;padding:.5rem .4rem}.table th{color:var(--muted);font-weight:500}.checks{flex-wrap:wrap;gap:.4rem .9rem;display:flex}.checks label{align-items:center;gap:.3rem;display:inline-flex}.ok{color:#2e7d5b}code,.code{font-family:var(--mono);background:var(--sidebar);border-radius:6px;padding:.1rem .35rem;font-size:.85em}.small-btn{padding:.3rem .7rem;font-size:.85rem}