:root{--bg: #0a0e1a;--panel: #10182b;--muted: #7f8ca8;--accent: #5de4c7;--surface: #0f1424;--border: rgba(255, 255, 255, .06);--shadow: 0 12px 30px rgba(0, 0, 0, .35);--font: "Space Grotesk", "Inter", "SF Pro Display", system-ui, -apple-system, sans-serif}*{box-sizing:border-box}body{margin:0;font-family:var(--font);background:radial-gradient(circle at 20% 20%,#12182a,#0a0e1a 60%);color:#e6ecf8}#app{display:grid;grid-template-columns:280px 1fr;min-height:100vh}.nav{background:var(--surface);border-right:1px solid var(--border);padding:20px 16px;display:flex;flex-direction:column;gap:18px;box-shadow:var(--shadow);position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:12px;font-weight:700}.brand .mark{width:34px;height:34px;background:radial-gradient(circle at 30% 30%,#5de4c7,#3ca2ff 80%);border-radius:12px;box-shadow:0 10px 30px #3dafff59}.brand .label{letter-spacing:.4px}.brand .sub{font-size:12px;color:var(--muted);letter-spacing:.3px}.nav-search input{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:#0c1220;color:#e6ecf8;outline:none}.nav-search input:focus{border-color:#5de4c799;box-shadow:0 0 0 2px #5de4c733}.nav-section{background:#0c1220;border:1px solid var(--border);border-radius:12px;padding:12px}.nav-section-title{font-size:13px;letter-spacing:.2px;text-transform:uppercase;color:var(--muted);margin-bottom:8px}.scenario-list{display:flex;flex-direction:column;gap:8px;max-height:calc(100vh - 260px);overflow-y:auto;padding-right:4px}.scenario-btn{width:100%;text-align:left;border:1px solid var(--border);border-radius:10px;background:#0f1628;color:#e6ecf8;padding:10px 12px;cursor:pointer;transition:border-color .12s ease,transform .12s ease,background .12s ease}.scenario-btn:hover{border-color:#5de4c799;transform:translateY(-1px)}.scenario-btn.active{border-color:#5de4c7cc;background:linear-gradient(135deg,#5de4c714,#3ca2ff14);box-shadow:0 10px 30px #00000040}.scenario-title{font-weight:600;font-size:14px}.scenario-desc{font-size:12px;color:var(--muted);margin-top:4px}.scenario-tags{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}.tag{display:inline-flex;align-items:center;gap:6px;font-size:11px;padding:6px 10px;border-radius:999px;border:1px solid var(--border);color:var(--muted);background:#ffffff08}.main{display:flex;flex-direction:column;min-height:100vh}.topbar{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;border-bottom:1px solid var(--border);background:#0a0e1ae6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:sticky;top:0;z-index:10}.crumb{font-size:18px;font-weight:700}.subtitle{color:var(--muted);font-size:13px;margin-top:4px}.top-actions{display:flex;align-items:center;gap:8px}button{font-family:var(--font)}.ghost{border:1px solid var(--border);background:#ffffff0d;color:#e6ecf8;border-radius:10px;padding:8px 12px;cursor:pointer}.ghost:disabled{opacity:.5;cursor:not-allowed}.workspace{display:grid;grid-template-columns:1.6fr .9fr;gap:10px;padding:10px 10px 20px 20px}#viewer-frame{position:relative;border:1px solid var(--border);border-radius:14px;background:#050912;overflow:hidden;min-height:70vh;height:70vh}#viewer-frame.busy:after{content:"Working...";position:absolute;top:0;right:0;bottom:0;left:0;background:#05091299;display:grid;place-items:center;color:#e6ecf8;font-weight:700;letter-spacing:.5px}#viewer-slot{position:absolute;top:0;left:0;right:0;bottom:54px}#status-block{position:absolute;bottom:0;left:0;right:0;padding:10px 14px;display:flex;justify-content:space-between;gap:12px;color:#c6d2ed;background:linear-gradient(180deg,transparent,rgba(5,9,18,.9));font-size:12px}#panel{border:1px solid var(--border);border-radius:14px;background:#0c1220;padding:14px;min-height:70vh;display:flex;flex-direction:column;gap:12px}.panel-empty{color:var(--muted);text-align:center;padding:40px 10px;border:1px dashed var(--border);border-radius:12px}.panel-section{border:1px solid var(--border);border-radius:12px;padding:12px;background:#0e1525}.panel-section h4{margin:0 0 8px;font-size:13px;letter-spacing:.2px;text-transform:uppercase;color:var(--muted)}.panel-section p{margin:0 0 8px;color:#d1dcf6;font-size:13px}.panel-controls{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:8px}.primary{background:linear-gradient(135deg,#5de4c7,#3ca2ff);border:none;color:#041025;font-weight:700;padding:10px 12px;border-radius:10px;cursor:pointer}.linkish{display:inline-flex;align-items:center;gap:6px;color:#9fb6ff;text-decoration:none;font-size:12px}.stat{display:inline-block;background:#ffffff0d;border-radius:10px;padding:6px 8px;border:1px solid var(--border);font-size:12px;color:#c8d5f2}@media (max-width: 1100px){#app{grid-template-columns:1fr}.nav{position:relative;height:auto}.workspace{grid-template-columns:1fr}}