.abacus-root{position:fixed;inset:0;display:flex;flex-direction:column;background:#fdf6e3;overflow:hidden;user-select:none;-webkit-user-select:none;touch-action:none}.abacus-toolbar{display:flex;gap:8px;padding:8px 12px;background:transparent;z-index:2}.abacus-btn{appearance:none;border:1px solid #b08a5a;background:#fff8ea;color:#4a2f13;font-size:14px;padding:6px 12px;border-radius:8px;cursor:pointer;font-family:system-ui,-apple-system,sans-serif;box-shadow:0 1px 2px #00000014}.abacus-btn:hover{background:#ffefd0}.abacus-frame{flex:1;margin:4px 12px 12px;border-radius:18px;background:repeating-linear-gradient(90deg,sienna,#8b3f1f,sienna 4px,#7a3a1a 8px),linear-gradient(180deg,#8b4513,#6b3410);box-shadow:inset 0 0 0 14px #6b3410,inset 0 0 0 16px #3b2412,0 8px 24px #00000040;position:relative;overflow:hidden}