:root{color-scheme:light;--indigo: #4f46e5;--indigo-soft: #6366f1;--accent: #facc15;--bg: #f8fafc;--panel: #ffffff;--text: #0f172a;--muted: #475569;--border: rgba(15, 23, 42, .08);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 20% 20%,rgba(99,102,241,.08),transparent 25%),radial-gradient(circle at 80% 10%,rgba(250,204,21,.12),transparent 23%),var(--bg);color:var(--text);min-height:100vh}#app{max-width:1200px;margin:0 auto;padding:20px}.top-bar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--panel);border:1px solid var(--border);border-radius:16px;box-shadow:0 20px 60px #4f46e514}.brand{display:flex;align-items:center;gap:10px}h1{margin:0;font-size:1.4rem}.eyebrow{margin:0;letter-spacing:.08em;text-transform:uppercase;font-size:.7rem;color:var(--indigo-soft);font-weight:700}.actions{display:flex;gap:8px}button{border:none;cursor:pointer;border-radius:12px;padding:10px 14px;font-weight:700;transition:transform .12s ease,box-shadow .12s ease}button:hover{transform:translateY(-1px)}button.primary{background:linear-gradient(135deg,var(--indigo),var(--indigo-soft));color:#fff;box-shadow:0 10px 30px #6366f14d}button.secondary{background:var(--accent);color:#1f2937}button.ghost{background:#4f46e514;color:var(--indigo)}.layout{display:grid;grid-template-columns:2fr 1fr;gap:16px;margin-top:16px}.viewport{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--border);background:radial-gradient(circle at 50% 20%,rgba(99,102,241,.08),transparent 35%),#e2e8f0;min-height:640px}#webgl{width:100%;height:100%;display:block}#labels{position:absolute;top:0;left:0;right:0;bottom:0;pointer-events:none}.pill{position:absolute;top:16px;right:16px;background:#ffffffeb;color:var(--text);padding:10px 14px;border-radius:999px;border:1px solid var(--border);box-shadow:0 12px 24px #0f172a1f;font-weight:600}.panel{background:var(--panel);border-radius:18px;padding:18px;border:1px solid var(--border);box-shadow:0 24px 50px #0f172a14;display:flex;flex-direction:column;gap:12px}.panel-header h2{margin:2px 0 8px}.panel-body{background:linear-gradient(180deg,#6366f114,#6366f100);border:1px dashed rgba(99,102,241,.25);border-radius:14px;padding:12px;min-height:120px}.panel-footer{display:flex;justify-content:flex-end}.muted{color:var(--muted)}#info-panel ul{margin:8px 0;padding-left:18px;color:var(--text)}.modal{position:fixed;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;background:#0f172a59;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:99}.modal.hidden{display:none}.modal-content{width:min(420px,90vw);background:#fff;border-radius:16px;padding:18px;border:1px solid var(--border);box-shadow:0 24px 60px #00000038}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}#close-help{background:#0000000d;border:1px solid var(--border);border-radius:10px;padding:6px 10px}.label{padding:6px 10px;background:#ffffffeb;border-radius:10px;border:1px solid var(--border);font-weight:700;color:var(--text);box-shadow:0 12px 22px #0f172a24;pointer-events:none}@media (max-width: 980px){#app{padding:12px}.layout{grid-template-columns:1fr}}