:root{color:#17211b;background:#eef4f1;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button,input{font:inherit}button{min-height:44px;border:0;border-radius:6px;color:#fff;background:#256d4c;font-weight:700;cursor:pointer}button:hover{background:#1e5c40}button:focus-visible,input:focus-visible{outline:3px solid #7bcba1;outline-offset:2px}#app{min-height:100vh}.app-shell{display:grid;min-height:100vh;place-items:center;padding:24px}.start-screen,.game-screen{width:min(100%,680px)}.start-screen{display:grid;gap:60px}.start-copy{display:grid;gap:6px}.eyebrow{margin:0;color:#5c6f65;font-size:.78rem;font-weight:800;letter-spacing:0;text-transform:uppercase}h1{margin:0;color:#102318;font-size:clamp(3rem,12vw,6.5rem);line-height:.95;letter-spacing:0}.start-form{display:grid;gap:10px;max-width:480px}.start-form label{color:#384a40;font-weight:700}.start-row{display:grid;grid-template-columns:1fr 112px;gap:10px}input{min-width:0;min-height:44px;border:1px solid #b8c8bf;border-radius:6px;padding:0 12px;color:#17211b;background:#ffffff}.form-error{min-height:22px;margin:0;color:#a3372c;font-weight:700}.game-screen{display:grid;gap:12px}.status-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:48px}.status-title{color:#102318;font-size:1.35rem;font-weight:900}.status-meta{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:12px;color:#27382f;font-weight:800}.board-frame{position:relative;overflow:hidden;border:1px solid #b8c8bf;border-radius:8px;background:#f7faf7;box-shadow:0 16px 40px #192d2221}.release-version{color:#5c6f65;font-size:.82rem;font-weight:700;text-align:right}canvas{display:block;width:100%;height:auto;aspect-ratio:4 / 3}.game-over{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-content:center;gap:14px;padding:24px;color:#fff;text-align:center;background:rgba(16,35,24,.86)}.game-over h2,.game-over p{margin:0}.game-over h2{font-size:2rem}.game-over button{min-width:128px;background:#d94b3d}.hidden{display:none}@media (max-width: 560px){.app-shell{padding:16px}.start-row{grid-template-columns:1fr}.status-bar{align-items:flex-start;flex-direction:column}.status-meta{justify-content:flex-start}.release-version{text-align:left}}