:root{--vb-bg-darkest: #14171d;--vb-bg-dark: #1e2330;--vb-bg-mid: #252c3a;--vb-bg-hover: rgba(255, 255, 255, .04);--vb-border: #3d4452;--vb-text: #c8cdd6;--vb-text-bright: #e8ecf2;--vb-text-dim: #6b7891;--vb-accent: #f0a020;--vb-accent-blue: #4a9eff;--vb-danger: #e05a4e;--vb-success: #52c97a;--vb-mono: ui-monospace, SFMono-Regular, Menlo, monospace}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%;width:100%;background:var(--vb-bg-darkest);color:var(--vb-text);font-family:system-ui,-apple-system,Segoe UI,sans-serif;font-size:14px;overflow:hidden}button{font-family:inherit}button:focus-visible{outline:2px solid var(--vb-accent);outline-offset:2px}.vb-app{display:grid;grid-template-columns:440px 1fr;grid-template-rows:100vh;width:100%;height:100vh}.vb-chat{display:flex;flex-direction:column;background:var(--vb-bg-dark);border-right:1px solid var(--vb-border);min-width:0;height:100%;min-height:0;overflow:hidden}.vb-chat-header{padding:14px 18px;border-bottom:1px solid var(--vb-border);display:flex;align-items:center;justify-content:space-between;flex-shrink:0}.vb-chat-header h1{margin:0;font-size:13px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--vb-accent)}.vb-chat-header .vb-status{font-size:11px;color:var(--vb-text-dim);font-family:var(--vb-mono)}.vb-chat-header .vb-status .dot{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:5px;background:var(--vb-success);vertical-align:middle}.vb-msgs{flex:1 1 0;min-height:0;overflow-y:auto;overflow-x:hidden;padding:16px;display:flex;flex-direction:column;gap:14px;scroll-behavior:smooth}.vb-empty{margin:auto;text-align:center;color:var(--vb-text-dim);max-width:320px;padding:20px}.vb-empty h2{margin:0 0 10px;font-size:16px;color:var(--vb-text-bright)}.vb-empty p{margin:0 0 16px;line-height:1.5;font-size:13px}.vb-suggest{display:flex;flex-direction:column;gap:6px;text-align:left}.vb-suggest button{background:var(--vb-bg-mid);border:1px solid var(--vb-border);color:var(--vb-text);padding:9px 12px;border-radius:6px;cursor:pointer;font-size:12px;text-align:left;transition:border-color .15s,background .15s}.vb-suggest button:hover{border-color:var(--vb-accent);background:var(--vb-bg-hover)}.vb-msg{display:flex;flex-direction:column;gap:6px}.vb-msg .vb-role{font-size:10px;letter-spacing:.6px;text-transform:uppercase;color:var(--vb-text-dim);font-weight:600}.vb-msg.user .vb-role{color:var(--vb-accent-blue)}.vb-msg.assistant .vb-role{color:var(--vb-accent)}.vb-bubble{padding:10px 12px;border-radius:8px;background:var(--vb-bg-mid);border:1px solid var(--vb-border);font-size:13px;line-height:1.55;color:var(--vb-text);word-break:break-word}.vb-msg.user .vb-bubble{background:#4a9eff1a;border-color:#4a9eff4d}.vb-bubble p{margin:0 0 8px}.vb-bubble p:last-child{margin:0}.vb-bubble code{background:var(--vb-bg-darkest);padding:1px 5px;border-radius:3px;font-family:var(--vb-mono);font-size:12px}.vb-bubble pre{background:var(--vb-bg-darkest);padding:8px 10px;border-radius:4px;overflow-x:auto;font-size:12px}.vb-bubble pre code{background:transparent;padding:0}.vb-bubble table{width:100%;border-collapse:collapse;font-size:12px;margin:6px 0}.vb-bubble th,.vb-bubble td{padding:4px 8px;border:1px solid var(--vb-border);text-align:left}.vb-bubble th{background:var(--vb-bg-darkest);color:var(--vb-text-bright)}.vb-bubble.streaming:after{content:"▍";display:inline-block;margin-left:1px;animation:vb-blink 1s steps(2) infinite}@keyframes vb-blink{50%{opacity:0}}.vb-tool{background:var(--vb-bg-darkest);border:1px solid var(--vb-border);border-left:3px solid var(--vb-accent);border-radius:6px;padding:8px 10px;font-size:12px;font-family:var(--vb-mono)}.vb-tool-head{display:flex;align-items:center;justify-content:space-between;cursor:pointer;-webkit-user-select:none;user-select:none}.vb-tool-name{color:var(--vb-accent);font-weight:600}.vb-tool-status{font-size:10px;color:var(--vb-text-dim)}.vb-tool-status.error{color:var(--vb-danger)}.vb-tool-status.ok{color:var(--vb-success)}.vb-tool-body{margin-top:8px;padding-top:8px;border-top:1px dashed var(--vb-border);display:flex;flex-direction:column;gap:6px}.vb-tool-body pre{margin:0;background:#00000040;padding:6px 8px;border-radius:4px;font-size:11px;white-space:pre-wrap;max-height:220px;overflow-y:auto}.vb-tool-body .label{color:var(--vb-text-dim);font-size:10px;text-transform:uppercase;letter-spacing:.5px}.vb-composer{border-top:1px solid var(--vb-border);padding:12px 14px;flex-shrink:0;background:var(--vb-bg-dark)}.vb-composer-row{display:flex;gap:8px;align-items:flex-end}.vb-composer textarea{flex:1;background:var(--vb-bg-darkest);border:1px solid var(--vb-border);color:var(--vb-text);padding:8px 10px;border-radius:6px;font-size:13px;font-family:inherit;line-height:1.4;resize:none;min-height:38px;max-height:200px;outline:none}.vb-composer textarea:focus{border-color:var(--vb-accent)}.vb-composer textarea:disabled{opacity:.5}.vb-composer button.send{background:var(--vb-accent);color:#14171d;border:none;padding:9px 14px;border-radius:6px;font-size:12px;font-weight:700;letter-spacing:.5px;cursor:pointer}.vb-composer button.send:disabled{opacity:.4;cursor:not-allowed}.vb-composer-help{margin-top:6px;font-size:10px;color:var(--vb-text-dim)}.vb-scene{position:relative;display:flex;flex-direction:column;background:var(--vb-bg-darkest);height:100%;min-height:0;overflow:hidden}.vb-scene-header{height:36px;padding:0 14px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--vb-border);background:var(--vb-bg-dark);flex-shrink:0}.vb-scene-header .label{font-size:11px;letter-spacing:.7px;text-transform:uppercase;color:var(--vb-text-dim);font-weight:600}.vb-scene-header a{color:var(--vb-accent-blue);font-size:11px;text-decoration:none}.vb-scene-header a:hover{text-decoration:underline}.vb-scene iframe{flex:1;width:100%;border:none;background:#fff}::-webkit-scrollbar{width:9px;height:9px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--vb-border);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--vb-text-dim)}