:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5;color-scheme:light dark;background-color:#0b0f14;color:#e6edf3;--border: #1f2a37;--muted: #8b949e;--accent: #58a6ff;--bg-elevated: #0f172a;--bg-self: #1f3b5c;--bg-other: #17212b}body{margin:0;min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}h1{font-weight:600;margin:0}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.55rem 1rem;border-radius:6px;border:1px solid transparent;font-size:.95rem;font-weight:500;cursor:pointer;text-decoration:none}.btn-primary{background:var(--accent);color:#0b0f14}.btn-primary:hover:not(:disabled){filter:brightness(1.1)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--muted);border-color:var(--border)}.btn-ghost:hover{color:var(--accent)}.auth-shell{flex:1;display:flex;align-items:center;justify-content:center;padding:2rem}.auth-card{max-width:420px;width:100%;padding:2.5rem;border:1px solid var(--border);border-radius:10px;background:var(--bg-elevated);text-align:center}.auth-tagline{color:var(--muted);margin:1rem 0 1.75rem}.chat-shell{flex:1;display:flex;flex-direction:column;max-width:960px;width:100%;margin:0 auto;padding:1.5rem;box-sizing:border-box}.chat-header{display:flex;justify-content:space-between;align-items:center;padding-bottom:1rem;border-bottom:1px solid var(--border)}.chat-project-id{color:var(--muted);font-size:.85rem;margin:.25rem 0 0;font-family:ui-monospace,SF Mono,Menlo,monospace}.chat-actor{display:flex;align-items:center;gap:.75rem;font-size:.9rem}.chat-status{font-size:.75rem;padding:.15rem .5rem;border-radius:999px;border:1px solid var(--border);text-transform:uppercase;letter-spacing:.05em}.chat-status-open{color:#3fb950;border-color:#3fb95044}.chat-status-connecting{color:var(--muted)}.chat-status-closed,.chat-status-error{color:#f85149;border-color:#f8514944}.chat-log{flex:1;overflow-y:auto;padding:1rem 0;display:flex;flex-direction:column;gap:.75rem}.chat-empty{color:var(--muted);text-align:center;margin-top:3rem}.chat-row{display:flex;flex-direction:column;padding:.65rem .9rem;border-radius:8px;max-width:75%}.chat-row-self{background:var(--bg-self);align-self:flex-end}.chat-row-other{background:var(--bg-other);align-self:flex-start}.chat-row-pending{opacity:.6}.chat-author{font-size:.75rem;color:var(--muted);margin-bottom:.2rem}.chat-text{white-space:pre-wrap;word-wrap:break-word}.chat-error{background:#f8514922;color:#f85149;padding:.6rem .9rem;border-radius:6px;margin:.5rem 0;font-size:.9rem}.chat-composer{display:flex;gap:.5rem;padding-top:1rem;border-top:1px solid var(--border)}.chat-composer input{flex:1;padding:.65rem .9rem;border:1px solid var(--border);border-radius:6px;background:var(--bg-elevated);color:inherit;font-size:.95rem}.chat-composer input:focus{outline:none;border-color:var(--accent)}.chat-composer input:disabled{opacity:.5}