:root{--bg: #0b0d10;--surface: #14181d;--surface-2: #1c2128;--text: #e6edf3;--text-dim: #9ba8b4;--border: #2a313a;--accent: #5b8def;--danger: #e5534b}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font:14px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}.loading,.denied{display:grid;place-items:center;height:100vh;color:var(--text-dim)}.denied h2{color:var(--text);margin:0 0 8px}.login{display:grid;place-items:center;min-height:100vh;padding:24px}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:40px 32px;width:100%;max-width:380px;text-align:center}.login-brand{font-size:22px;font-weight:600;letter-spacing:-.01em;margin-bottom:8px}.login-tagline{color:var(--text-dim);margin:0 0 28px}.btn-google{display:inline-flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:11px 16px;background:#fff;color:#1f2328;border:0;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:filter .15s}.btn-google:hover{filter:brightness(.97)}.shell{display:flex;flex-direction:column;min-height:100vh}.shell-header{display:flex;align-items:center;gap:24px;padding:12px 24px;border-bottom:1px solid var(--border);background:var(--surface)}.shell-brand{font-weight:600;letter-spacing:-.01em}.shell-nav{display:flex;gap:4px;flex:1}.shell-nav-link{color:var(--text-dim);text-decoration:none;padding:6px 12px;border-radius:6px;font-size:13px;transition:background .15s,color .15s}.shell-nav-link:hover,.shell-nav-link.active{background:var(--surface-2);color:var(--text)}.user-bar{display:flex;align-items:center;gap:12px}.user-email{color:var(--text-dim)}.btn-logout{padding:6px 12px;background:transparent;color:var(--text);border:1px solid var(--border);border-radius:6px;cursor:pointer;font-size:13px}.btn-logout:hover{background:var(--surface-2)}.shell-main{max-width:820px;width:100%;margin:0 auto;padding:40px 24px}.shell-main h1{font-size:28px;letter-spacing:-.02em;margin:0 0 8px}.shell-main .subtle{color:var(--text-dim);margin:0 0 24px}.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:20px 24px}.card h2{margin:0 0 16px;font-size:14px;font-weight:600;color:var(--text-dim);text-transform:uppercase;letter-spacing:.05em}.me{display:grid;grid-template-columns:120px 1fr;gap:8px 16px;margin:0}.me dt{color:var(--text-dim);font-size:13px}.me dd{margin:0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;word-break:break-all}.error{color:var(--danger);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}.chat{display:flex;flex-direction:column;flex:1;height:calc(100vh - 49px);max-width:820px;width:100%;margin:0 auto;padding:0 24px 16px}.chat-meta{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--border);color:var(--text-dim);font-size:12px}.chat-meta-label{text-transform:uppercase;letter-spacing:.05em}.chat-meta-value{background:var(--surface-2);border:1px solid var(--border);border-radius:4px;padding:2px 8px;color:var(--text);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.chat-meta .btn-ghost{margin-left:auto}.chat-scroll{flex:1;overflow-y:auto;padding:16px 0;display:flex;flex-direction:column;gap:16px}.chat-empty{margin:auto;text-align:center;color:var(--text-dim);max-width:420px}.chat-empty h2{color:var(--text);font-size:18px;margin:0 0 8px;text-transform:none;letter-spacing:0}.msg{display:flex;flex-direction:column;gap:4px}.msg-role{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim)}.msg-content{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:12px 14px;white-space:pre-wrap;word-wrap:break-word;line-height:1.55}.msg-user .msg-content{background:var(--surface-2)}.msg-pending .msg-content{color:var(--text-dim);font-style:italic}.chat-error{background:#e5534b1f;border:1px solid var(--danger);border-radius:8px;padding:12px 14px;color:var(--danger);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;white-space:pre-wrap;word-wrap:break-word}.chat-composer{display:flex;gap:8px;align-items:flex-end;padding-top:12px;border-top:1px solid var(--border)}.chat-composer textarea{flex:1;background:var(--surface);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:10px 12px;font-family:inherit;font-size:14px;resize:vertical;min-height:60px;max-height:240px}.chat-composer textarea:focus{outline:none;border-color:var(--accent)}.chat-composer textarea:disabled{opacity:.6}.btn-send{background:var(--accent);color:#fff;border:0;border-radius:8px;padding:10px 18px;font-size:14px;font-weight:500;cursor:pointer;transition:filter .15s;height:60px}.btn-send:hover:not(:disabled){filter:brightness(1.1)}.btn-send:disabled{opacity:.5;cursor:not-allowed}.form-card{display:flex;flex-direction:column;gap:20px}.form-row{display:flex;flex-direction:column;gap:6px}.form-row-split{display:grid;grid-template-columns:1fr 1fr;gap:20px}.form-row label{font-size:13px;color:var(--text-dim);font-weight:500}.form-row label .muted{color:var(--text-dim);font-weight:400;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.form-row input[type=text],.form-row input[type=number],.form-row textarea{background:var(--surface-2);border:1px solid var(--border);border-radius:6px;color:var(--text);padding:8px 10px;font-family:inherit;font-size:13px}.form-row textarea{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;resize:vertical;min-height:100px}.form-row input[type=text]:focus,.form-row input[type=number]:focus,.form-row textarea:focus{outline:none;border-color:var(--accent)}.form-row input[type=range]{width:100%;accent-color:var(--accent)}.form-row .hint{font-size:12px;color:var(--text-dim)}.form-row .hint code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--surface-2);border:1px solid var(--border);border-radius:4px;padding:1px 6px;font-size:11px}.form-actions{display:flex;align-items:center;gap:12px}.btn-primary{background:var(--accent);color:#fff;border:0;border-radius:6px;padding:8px 16px;font-size:13px;font-weight:500;cursor:pointer}.btn-primary:hover{filter:brightness(1.1)}.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--border);border-radius:6px;padding:8px 16px;font-size:13px;cursor:pointer}.btn-ghost:hover{background:var(--surface-2)}.form-saved{color:var(--text-dim);font-size:12px}