:root{color-scheme:dark;--bg: #050505;--panel: #141414;--panel-2: #101010;--card: #111111;--muted: rgba(255,255,255,.72);--soft: rgba(255,255,255,.58);--line: rgba(255,255,255,.18);--cyan: #0b3b52;--cyan-border: rgba(92, 211, 255, .34);--amber: #33240f;--blue: #12283a;--green: #143329}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%;background:var(--bg);color:#fff;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,sans-serif}button,input,textarea{font:inherit}button{cursor:pointer}.app-shell{max-width:1440px;margin:0 auto;padding:32px 16px}.header-row,.button-row,.node-head,.tool-head,.chat-header,.graffiti-meta{display:flex;gap:12px}.header-row{align-items:end;justify-content:space-between;flex-wrap:wrap;margin-bottom:24px}.button-row{flex-wrap:wrap}.eyebrow{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:#fff9}h1{margin:8px 0 0;font-size:32px;line-height:1.1}.header-copy{max-width:900px;color:#ffffffe0;line-height:1.6}.layout-grid{display:grid;gap:24px;grid-template-columns:260px minmax(0,1fr) 360px}.panel,.chat-panel{border:1px solid var(--line);background:var(--panel);border-radius:24px}.panel{padding:16px}.panel-green{background:var(--green)}.panel-title{color:#fff;font-weight:600;margin-bottom:14px}.node-list,.side-column{display:flex;flex-direction:column;gap:16px}.node-card{width:100%;border-radius:18px;border:1px solid var(--line);background:var(--card);padding:12px;text-align:left;color:#fff}.node-card:hover{background:#1a1a1a}.node-card-active{background:#0a3f58bf;border-color:var(--cyan-border)}.node-head{justify-content:space-between;align-items:center}.node-meta,.muted,.status-line{color:var(--muted);font-size:13px;line-height:1.5}.pill{padding:4px 10px;border-radius:999px;font-size:12px}.pill-green{background:#14643ae6}.pill-gray{background:#202020}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:16px;border:1px solid var(--line);background:#1b1b1b;color:#fff;padding:10px 16px}.btn:hover{background:#262626}.btn-small{padding:8px 12px;font-size:13px}.btn-primary{background:#155e75}.btn-primary:hover{background:#0e7490}.full-width{width:100%}.chat-panel{overflow:hidden;display:flex;flex-direction:column;min-height:760px}.chat-header{align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:var(--panel-2);padding:14px 16px}.chat-title{margin-top:4px;font-size:18px;font-weight:600}.chat-body{flex:1;overflow:auto;padding:16px;background:#0b0b0b;display:flex;flex-direction:column;gap:16px}.center-label{text-align:center;color:#fff9;text-transform:uppercase;letter-spacing:.18em;font-size:11px}.bubble-row{display:flex}.user-row{justify-content:flex-end}.ai-row{justify-content:flex-start}.bubble{max-width:88%;border-radius:18px;padding:12px 14px;line-height:1.6}.user-bubble{background:#083c55d6;border:1px solid var(--cyan-border);color:#cff5ff;border-bottom-right-radius:8px;max-width:78%}.ai-bubble{background:#1b1b1b;border:1px solid var(--line);color:#fff;border-bottom-left-radius:8px}.cursor-block{display:inline-block;width:8px;height:16px;background:#fff;margin-left:4px;vertical-align:-2px;animation:pulse 1s infinite}@keyframes pulse{0%,to{opacity:.2}50%{opacity:1}}.typing-pill{align-self:flex-start;border:1px solid var(--line);background:#151515;border-radius:999px;padding:7px 12px;color:#ffffffd1;font-size:12px}.tool-card{border-radius:20px;border:1px solid var(--line);padding:12px}.tool-card-amber{background:var(--amber);border-color:#fbbf244d}.tool-card-blue{background:var(--blue);border-color:#60a5fa4d}.tool-head{align-items:center;justify-content:space-between}.tool-title{margin-top:4px;font-weight:600}.tool-content,.vcard-pre{border:1px solid var(--line);border-radius:14px;background:#101010;padding:12px;margin-top:12px}.vcard-pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:11px;line-height:1.5;color:#fff}.chat-input-row{display:flex;gap:12px;padding:14px 16px;border-top:1px solid var(--line);background:var(--panel-2)}.text-input,.textarea{width:100%;border-radius:16px;border:1px solid var(--line);background:#0b0b0b;color:#fff;padding:12px 14px;outline:none}.textarea{min-height:120px;resize:vertical}.detail-card,.graffiti-card,.url-box{border:1px solid var(--line);background:var(--card);border-radius:16px;padding:12px;color:#fff}.detail-card+.detail-card{margin-top:10px}.detail-card span{color:#ffffffb3}.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.tag{border:1px solid var(--line);background:#1c1c1c;border-radius:999px;padding:5px 10px;font-size:12px;color:#ffffffe6}.graffiti-list{display:flex;flex-direction:column;gap:12px;max-height:280px;overflow:auto}.graffiti-card{line-height:1.6}.graffiti-meta{justify-content:space-between;margin-top:10px;color:#ffffffb3;font-size:12px}.url-box{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;overflow-wrap:anywhere}@media(max-width:1180px){.layout-grid{grid-template-columns:1fr}.chat-panel{min-height:640px}}@media(max-width:900px){.layout-grid{display:flex;flex-direction:column;gap:16px}.layout-grid>section:nth-child(2){order:1}.layout-grid>section:nth-child(1){order:2}.layout-grid>section:nth-child(3){order:3}.chat-messages{max-height:420px;overflow-y:auto}.chat-input-row{position:sticky;bottom:0;background:#101010;padding-top:12px;z-index:5}}