:root{--color-primary: #1e3a5f;--color-accent: #059669;--color-on-accent: #000;--color-background: #f8fafc;--color-foreground: #0f172a;--color-card: #fff;--color-muted: #f1f3f5;--color-muted-fg: #475569;--color-border: #e4e7eb;--color-danger: #dc2626;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px}*{box-sizing:border-box}html{scroll-padding-top:120px}body{margin:0;background:var(--color-background);color:var(--color-foreground);font-family:Pretendard Variable,Pretendard,-apple-system,Noto Sans KR,Apple SD Gothic Neo,sans-serif;font-size:16px;line-height:1.6}[data-num],td,.seed-badge{font-variant-numeric:tabular-nums;font-family:Roboto Mono,Noto Sans Mono,monospace}.skip{position:absolute;left:8px;top:-48px;z-index:1000;background:#fff;padding:8px 12px}.skip:focus{top:8px}:focus-visible{outline:3px solid var(--color-primary);outline-offset:2px}.topbar{position:sticky;top:0;z-index:10;background:var(--color-card);border-bottom:1px solid var(--color-border)}.topbar-inner{display:flex;align-items:center;gap:var(--space-md);padding:8px var(--space-md)}.topbar h1{font-size:20px;margin:0}.seed-badge{margin-left:auto;font-size:13px;color:var(--color-muted-fg)}.stepper{display:flex;gap:4px;padding:0 var(--space-md) 8px;overflow-x:auto}.stepper button{min-height:44px;padding:8px 12px;border:1px solid var(--color-border);background:#fff;border-radius:8px;cursor:pointer;white-space:nowrap}.stepper button[aria-current=step]{background:var(--color-primary);color:#fff;font-weight:700}.layout{max-width:1120px;margin:0 auto;padding:var(--space-md)}.lede{font-size:20px;font-weight:700}.split{display:grid;gap:var(--space-md);grid-template-columns:1fr}@media(min-width:1024px){.split{grid-template-columns:1fr 1fr}}.card{background:var(--color-card);border:1px solid var(--color-border);border-radius:12px;padding:var(--space-lg);box-shadow:0 1px 2px #0000000d}button{min-height:44px;font-size:16px;cursor:pointer;touch-action:manipulation;border-radius:8px;border:1px solid var(--color-border);background:#fff;padding:10px 16px}button:disabled{opacity:.45;cursor:not-allowed}button.primary{background:var(--color-accent);color:var(--color-on-accent);border-color:transparent;font-weight:700}.ghost-btn{min-height:44px}.btn-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.btn-row [aria-pressed=true]{background:var(--color-primary);color:#fff}.field{margin:var(--space-md) 0}.field-row{display:grid;gap:var(--space-md);grid-template-columns:1fr 1fr}label{display:block;font-weight:600;margin-bottom:4px}input[type=number],select,textarea{width:100%;min-height:44px;font-size:16px;padding:10px 12px;border:1px solid var(--color-border);border-radius:8px;background:#fff}input[type=range]{width:100%;min-height:44px;accent-color:var(--color-primary)}.help{color:var(--color-muted-fg);font-size:14px}.error{color:var(--color-danger);font-weight:600}table{border-collapse:collapse;width:100%;margin-top:8px}caption{text-align:left;font-weight:700;padding-bottom:8px}th,td{border:1px solid var(--color-border);padding:10px;text-align:center}th button{min-height:44px;border:none;background:none;font-weight:700;font-size:16px;text-decoration:underline}.runs{list-style:none;padding:0;display:grid;gap:8px}.runs li{border:1px solid var(--color-border);border-radius:8px;padding:8px 12px;background:#fff}.org-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}@media(min-width:768px){.org-grid{grid-template-columns:repeat(4,1fr)}}.org-grid figure{margin:0;text-align:center;font-size:12px;min-width:0}.org-grid img,.card svg{display:block;max-width:100%;height:auto}#demoBox svg,#chartBox svg{max-width:560px;margin-inline:auto}#demo3D canvas{display:block;width:100%;height:auto}.file-label{display:inline-flex;align-items:center;min-height:44px;padding:10px 16px;border:1px solid var(--color-border);border-radius:8px;cursor:pointer;background:#fff}dialog{border-radius:16px;padding:24px;max-width:480px;width:90%}@keyframes gi-pulse{0%,to{box-shadow:0 0 #0596698c}50%{box-shadow:0 0 0 10px #05966900}}.gi-pulse{animation:gi-pulse 2s infinite}@media(prefers-reduced-motion:reduce){.gi-pulse{animation:none;border:2px solid var(--color-primary)}*{transition:none!important}}