body{margin:0;padding:16px}main{max-width:1000px;margin:auto}h1{font-size:2rem}button,input,a{font:inherit;min-height:48px;min-width:48px}button,input{padding:12px;border-radius:12px}input{width:130px}a{display:inline-flex;align-items:center}button{cursor:pointer}button:focus-visible,input:focus-visible,a:focus-visible,#line:focus-visible{outline:4px solid var(--focus);outline-offset:3px}.actions,#starters,#choices{display:flex;flex-wrap:wrap;gap:12px;margin:16px 0}#line{display:flex;align-items:end;gap:12px;overflow-x:auto;padding:16px 8px 20px;border:2px solid var(--edge);border-radius:16px;min-height:250px;background:var(--paper)}#line button{flex:0 0 clamp(112px,37vw,152px);min-height:238px;flex-direction:column;font-size:1.5rem;background:transparent;box-shadow:none;border:2px solid transparent}#line button[aria-pressed=true]{background:var(--picked);border-color:var(--picked-edge)}.numberblock{display:block;width:100%;height:180px;overflow:visible}#starters{gap:8px}#starters button{flex-direction:column;width:64px;padding:6px;gap:0}#starters .numberblock{height:64px}#choices button{flex-direction:column;width:clamp(128px,35vw,140px);min-height:130px;padding:8px;font-size:1rem}#choices .numberblock{height:76px}button:disabled{opacity:.5;cursor:default}#status{font-weight:bold}#error{color:var(--ink)}body>button.nb-bug-ui{position:static!important;display:inline-flex;align-items:center;justify-content:center;min-height:48px!important;margin:20px 8px 8px}.split-flight{position:fixed;inset:0;pointer-events:none;z-index:1000;overflow:hidden}.flying-unit{position:absolute;transform-origin:0 0;border:1px solid #65563f;box-sizing:border-box;border-radius:2px}.splitting .numberblock{visibility:hidden}