*{box-sizing:border-box}body{margin:0;font-family:Clear Sans,Helvetica Neue,Arial,sans-serif;background:#faf8ef;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.game-container{--animation-duration: .25s}.game-board{width:100%;max-width:500px;height:auto;display:block;margin:0 auto;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.empty-cell{fill:#ddd9d5;stroke:#cfc7be;stroke-width:1}.tile-value{font-family:Arial,Helvetica Neue,sans-serif;font-weight:700;text-anchor:middle;dominant-baseline:central;pointer-events:none;-webkit-user-select:none;user-select:none}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}.game-container{--animation-duration: .25s;min-height:100dvh;width:min(600px,100%);margin:0 auto;padding:12px 12px calc(8px + env(safe-area-inset-bottom));display:flex;flex-direction:column;box-sizing:border-box;text-align:center;font-family:Clear Sans,Helvetica Neue,Arial,sans-serif}.game-header{display:flex;flex-direction:column;align-items:center;gap:8px}.game-nav{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}.game-board-stage{flex:1;width:100%;display:flex;align-items:center;justify-content:center;min-height:0}.game-action-bar{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:auto;padding-top:8px;padding-bottom:calc(4px + env(safe-area-inset-bottom))}.confirm-overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;padding:16px;background:#352f2857;-webkit-backdrop-filter:blur(1px);backdrop-filter:blur(1px);z-index:20}.confirm-dialog{width:min(420px,100%);border-radius:12px;border:1px solid #d9cfc2;background:#f9f6f2;box-shadow:0 16px 40px #3029233d;text-align:left;padding:18px 18px 14px}.confirm-title{margin:0;color:#776e65;font-size:24px;font-weight:700}.confirm-body{margin:10px 0 0;color:#7f7468;font-size:16px;line-height:1.35}.confirm-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.confirm-btn{border:none;border-radius:8px;font-family:inherit;font-size:15px;font-weight:700;cursor:pointer;padding:9px 14px}.confirm-btn--cancel{background:#ece5dc;color:#776e65}.confirm-btn--confirm{background:#8f7a66;color:#f9f6f2}.confirm-btn:focus-visible{outline:3px solid #bbada0;outline-offset:2px}@media(max-width:640px){.game-container{padding-inline:10px}.game-board-stage{transform:translateY(clamp(-48px,-6dvh,-20px))}.game-action-bar{position:sticky;bottom:0;background:linear-gradient(to top,rgba(249,246,242,.97),rgba(249,246,242,.82),transparent)}.confirm-overlay{padding:12px}.confirm-dialog{padding:16px 14px 12px}.confirm-title{font-size:22px}.confirm-actions{justify-content:stretch}.confirm-btn{flex:1;min-height:42px}}