:root{--bg: #0a0e1a;--surface: #111827;--surface-2: #1a2235;--surface-3: #1e2d45;--border: #1e3a5f;--border-light:#2a4a6f;--cyan: #00d4ff;--cyan-dim: #0090b3;--cyan-glow: rgba(0, 212, 255, .15);--purple: #7c3aed;--purple-dim: #5b21b6;--text: #e2e8f0;--text-muted: #64748b;--text-dim: #94a3b8;--success: #10b981;--error: #ef4444;--warning-bg: rgba(251, 191, 36, .08);--warning-border: rgba(251, 191, 36, .35);--warning-text:#fbbf24;--code-bg: #0d1117;--radius: 8px;--radius-lg: 12px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;--font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", ui-monospace, monospace}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--cyan);text-decoration:none}a:hover{text-decoration:underline}.app-container{min-height:100vh;display:flex;flex-direction:column}.app-header{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}.header-inner{max-width:1400px;margin:0 auto;padding:12px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}.header-brand{display:flex;align-items:center;gap:12px}.header-logo{font-size:2rem;line-height:1;filter:drop-shadow(0 0 8px rgba(0,212,255,.5))}.header-title{font-size:1.4rem;font-weight:700;background:linear-gradient(135deg,var(--cyan),#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.02em}.header-subtitle{font-size:.75rem;color:var(--text-muted);letter-spacing:.03em}.header-nav{display:flex;align-items:center;gap:20px}.header-tagline{font-size:.75rem;color:var(--text-muted);letter-spacing:.08em;text-transform:uppercase;display:none}.header-link{font-size:.8rem;color:var(--text-dim);border:1px solid var(--border);border-radius:var(--radius);padding:4px 12px;transition:border-color .15s,color .15s}.header-link:hover{border-color:var(--cyan);color:var(--cyan);text-decoration:none}.header-accent-line{height:2px;background:linear-gradient(90deg,var(--cyan),var(--purple),transparent)}.main-layout{flex:1;display:flex;gap:24px;padding:24px;max-width:1400px;margin:0 auto;width:100%;align-items:flex-start}.left-panel{width:420px;flex-shrink:0;display:flex;flex-direction:column;gap:16px;position:sticky;top:74px;max-height:calc(100vh - 90px);overflow-y:auto;padding-right:4px}.right-panel{flex:1;min-width:0}.api-key-card,.form-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px}.form-heading{font-size:1rem;font-weight:600;color:var(--text);margin-bottom:18px;padding-bottom:12px;border-bottom:1px solid var(--border)}.form-group{margin-bottom:16px}.form-label{display:block;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:6px}.select-field,.textarea-field,.text-field{width:100%;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-family:var(--font-sans);font-size:.875rem;padding:9px 12px;outline:none;transition:border-color .15s,box-shadow .15s;-webkit-appearance:none;-moz-appearance:none;appearance:none}.select-field{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748b' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px;cursor:pointer}.select-field:focus,.textarea-field:focus,.text-field:focus{border-color:var(--cyan-dim);box-shadow:0 0 0 3px var(--cyan-glow)}.textarea-field{resize:vertical;min-height:90px}.text-field.mt-sm,.textarea-field.mt-sm{margin-top:8px}.field-hint{font-size:.75rem;color:var(--text-muted);margin-top:6px}.warning-hint{color:var(--warning-text)}.text-link{color:var(--cyan)}.api-key-row{display:flex;gap:8px}.api-key-row .text-field{flex:1}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:11px 20px;background:linear-gradient(135deg,var(--cyan-dim),var(--purple-dim));border:none;border-radius:var(--radius);color:#fff;font-family:var(--font-sans);font-size:.9rem;font-weight:600;cursor:pointer;transition:opacity .15s,transform .1s,box-shadow .15s}.btn-primary:hover:not(:disabled){opacity:.9;transform:translateY(-1px);box-shadow:0 4px 20px #00d4ff40}.btn-primary:disabled{opacity:.4;cursor:not-allowed;transform:none}.btn-secondary{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;background:transparent;border:1px solid var(--border-light);border-radius:var(--radius);color:var(--cyan);font-size:.85rem;font-weight:500;cursor:pointer;text-decoration:none;transition:border-color .15s,background .15s}.btn-secondary:hover{border-color:var(--cyan);background:var(--cyan-glow);text-decoration:none}.btn-icon{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-dim);font-size:1rem;padding:8px 10px;cursor:pointer;transition:border-color .15s;line-height:1}.btn-icon:hover{border-color:var(--border-light)}.btn-loading{display:flex;align-items:center;gap:10px}.download-btn{margin-bottom:8px}@keyframes spin{to{transform:rotate(360deg)}}.spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.25);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;flex-shrink:0}.empty-state{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:48px 36px;text-align:center}.empty-icon{font-size:3rem;margin-bottom:16px}.empty-heading{font-size:1.25rem;font-weight:600;margin-bottom:10px;color:var(--text)}.empty-text{color:var(--text-muted);max-width:480px;margin:0 auto 24px;line-height:1.7}.empty-features{list-style:none;display:flex;flex-direction:column;gap:8px;max-width:400px;margin:0 auto;text-align:left}.empty-features li{font-size:.875rem;color:var(--text-dim);padding:8px 12px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius)}.loading-state{display:flex;flex-direction:column;align-items:center;gap:20px;padding:80px 24px}@keyframes pulse-ring{0%{transform:scale(.8);opacity:1}to{transform:scale(1.8);opacity:0}}.loading-spinner-lg{width:48px;height:48px;border:3px solid rgba(0,212,255,.2);border-top-color:var(--cyan);border-radius:50%;animation:spin 1s linear infinite}.loading-text{color:var(--text-muted);font-size:.9rem}.error-banner{background:#ef444414;border:1px solid rgba(239,68,68,.4);border-radius:var(--radius);padding:14px 18px;color:#fca5a5;font-size:.875rem;margin-bottom:20px;line-height:1.6}.result-panel{display:flex;flex-direction:column;gap:20px}.result-section{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px}.section-heading{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--cyan);margin-bottom:14px}.summary-text{color:var(--text-dim);line-height:1.75;font-size:.95rem}.code-block-wrapper{position:relative}.code-block{background:var(--code-bg);border:1px solid var(--border);border-radius:var(--radius);padding:16px;font-family:var(--font-mono);font-size:.78rem;line-height:1.65;color:#c9d1d9;overflow-x:auto;white-space:pre;max-height:480px;overflow-y:auto}.lib-block{max-height:80px;overflow-y:hidden}.copy-btn{position:absolute;top:10px;right:10px;background:var(--surface-3);border:1px solid var(--border-light);border-radius:6px;color:var(--text-dim);font-size:.72rem;font-weight:600;padding:4px 10px;cursor:pointer;transition:background .15s,color .15s;letter-spacing:.04em}.copy-btn:hover{background:var(--surface-2);color:var(--cyan)}.viz-actions{margin-bottom:14px}.neuroglancer-embed{width:100%;height:420px;border:1px solid var(--border);border-radius:var(--radius);background:#000}.caveats-box{background:var(--warning-bg);border:1px solid var(--warning-border);border-radius:var(--radius);padding:14px 16px}.caveats-heading{font-size:.8rem;font-weight:700;color:var(--warning-text);margin-bottom:8px}.caveats-text{font-size:.85rem;color:#fde68a;line-height:1.7}.scenario-group{margin-bottom:4px}.scenario-hint{margin-top:5px}.scenario-active-card{background:var(--surface-2);border:1px solid var(--border-light);border-radius:var(--radius);padding:12px 14px;margin-bottom:4px}.scenario-active-header{margin-bottom:6px}.access-badge{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:2px 8px;border-radius:4px;border:1px solid}.scenario-description{font-size:.8rem;color:var(--text-dim);line-height:1.5}.form-divider{display:flex;align-items:center;gap:10px;margin:16px 0 14px;color:var(--text-muted);font-size:.7rem;text-transform:uppercase;letter-spacing:.08em}.form-divider:before,.form-divider:after{content:"";flex:1;height:1px;background:var(--border)}@media (min-width: 900px){.header-tagline{display:block}}@media (max-width: 899px){.main-layout{flex-direction:column;padding:16px}.left-panel{width:100%;position:static;max-height:none;overflow-y:visible}.right-panel{width:100%}}@media (max-width: 480px){.header-inner{padding:10px 14px}.main-layout{padding:12px;gap:12px}.api-key-card,.form-card,.result-section{padding:14px}.empty-state{padding:32px 16px}}