:root{--bg: #0b0d10;--bg-2: #13161b;--bg-3: #1b1f26;--fg: #e6e8eb;--fg-dim: #9aa3af;--border: #242932;--accent: #6aa9ff;--accent-2: #9164ff;--danger: #ff6a6a;--ok: #4ade80;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono: ui-monospace, SFMono-Regular, "Cascadia Mono", Menlo, Consolas, monospace}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;background:var(--bg);color:var(--fg);font-family:var(--font)}button{font:inherit;color:inherit;background:var(--bg-3);border:1px solid var(--border);border-radius:6px;padding:6px 12px;cursor:pointer}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.5;cursor:not-allowed}button.danger{border-color:var(--danger);color:var(--danger)}input,textarea{font:inherit;color:inherit;background:var(--bg-2);border:1px solid var(--border);border-radius:6px;padding:8px 10px}input:focus,textarea:focus{outline:none;border-color:var(--accent)}a{color:var(--accent)}.hint{color:var(--fg-dim);font-size:13px}.error{color:var(--danger);padding:8px;border:1px solid var(--danger);border-radius:6px;margin:8px 0}.loading,.fatal{display:grid;place-items:center;height:100vh;color:var(--fg-dim)}.login{display:grid;place-items:center;height:100vh}.login__card{background:var(--bg-2);padding:40px;border-radius:12px;border:1px solid var(--border);text-align:center;max-width:420px}.login__card h1{margin-top:0}.login__google{display:inline-flex;align-items:center;gap:10px;padding:10px 16px;margin:16px 0;background:#fff;color:#222;border:none;border-radius:6px;font-weight:600}.login__google:hover{background:#f4f4f4}.login__note{color:var(--fg-dim);font-size:13px}.app{display:grid;grid-template-rows:56px 1fr;height:100vh}.app__header{display:flex;align-items:center;gap:12px;padding:0 16px;background:var(--bg-2);border-bottom:1px solid var(--border)}.app__brand{font-weight:700;letter-spacing:.3px}.app__tabs{display:flex;gap:4px;margin-left:24px;flex:1}.app__right{display:flex;align-items:center;gap:10px}.app__user{color:var(--fg-dim);font-size:13px;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.icon-btn{background:transparent;border:none;font-size:18px;padding:4px 8px}.icon-btn:hover{background:var(--bg-3)}.tab{background:transparent;border:none;padding:6px 14px;color:var(--fg-dim);border-bottom:2px solid transparent}.tab:hover{color:var(--fg)}.tab--active{color:var(--fg);border-bottom-color:var(--accent)}.app__main{overflow:hidden;display:flex;flex-direction:column}.chat{display:grid;grid-template-rows:48px 1fr auto;height:100%}.chat__header{display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid var(--border)}.chat__header 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16px}.btn-cancel{background:var(--danger);color:#000;border:none;font-weight:600}.collab{display:grid;grid-template-rows:auto 1fr auto;height:100%;min-height:0}.collab__body{overflow-y:auto;min-height:0}.collab__header{padding:12px 16px;border-bottom:1px solid var(--border)}.collab__header h2{margin:0 0 8px;font-size:15px}.collab__modes{display:flex;gap:16px;flex-wrap:wrap;align-items:center}.collab__modes label{display:flex;gap:6px;align-items:center;cursor:pointer}.collab__round3{color:var(--fg-dim);font-size:13px}.collab__reasoning,.collab__transcript{margin:12px 16px;border:1px solid var(--border);border-radius:8px;padding:8px 12px;background:var(--bg-2)}.collab__reasoning summary,.collab__transcript summary{cursor:pointer;font-weight:600}.round-badge{font-size:11px;color:var(--fg-dim);margin-left:8px}.collab__round{margin-top:12px}.collab__round h3{font-size:13px;color:var(--fg-dim);text-transform:uppercase;letter-spacing:1px}.collab__contribution{margin:8px 0;padding:8px;background:var(--bg);border-radius:6px}.collab__contribution pre{white-space:pre-wrap;font-family:var(--font);margin:4px 0 0}.collab__agent-status{display:flex;gap:8px;padding:0 16px;flex-wrap:wrap}.status{font-size:12px;padding:2px 8px;border-radius:999px;background:var(--bg-3);border:1px solid var(--border)}.status--done{border-color:var(--ok);color:var(--ok)}.status--error{border-color:var(--danger);color:var(--danger)}.status--streaming,.status--thinking{border-color:var(--accent);color:var(--accent)}.collab__final{margin:16px;padding:16px;background:var(--bg-2);border:1px solid var(--accent);border-radius:10px}.collab__final h3{margin:0 0 8px;font-size:13px;color:var(--accent);text-transform:uppercase;letter-spacing:1px}.collab__final-text{white-space:pre-wrap;line-height:1.6}.collab__input{display:flex;gap:8px;padding:12px 16px;border-top:1px solid var(--border)}.collab__input textarea{flex:1;resize:none}.modal{position:fixed;inset:0;display:grid;place-items:center;z-index:10}.modal__backdrop{position:absolute;inset:0;background:#0009}.modal__body{position:relative;background:var(--bg-2);border:1px solid var(--border);border-radius:12px;width:min(680px,92vw);max-height:90vh;overflow-y:auto;padding:16px 20px}.modal__header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.modal__header h2{margin:0}.modal__foot{margin-top:16px;padding-top:12px;border-top:1px solid var(--border);color:var(--fg-dim);font-size:12px}.modal__body section{margin:20px 0}.modal__body section h3{font-size:13px;color:var(--fg-dim);text-transform:uppercase;letter-spacing:1px;margin:0 0 8px}.profile-list,.prefs{list-style:none;padding:0;margin:0}.profile-list li{padding:4px 0}.prefs li{display:flex;justify-content:space-between;align-items:center;padding:6px 10px;background:var(--bg-3);border-radius:6px;margin-bottom:4px}.btn-row{display:flex;gap:8px;flex-wrap:wrap}@media (max-width: 720px){.app__header{flex-wrap:wrap;height:auto;padding:8px}.app__tabs{order:3;width:100%;margin-left:0;overflow-x:auto}.msg{max-width:92%}}