.number-panel{background:#eeeee3;border:1px solid #d8ddce;border-radius:14px;padding:24px}.number-stats{display:flex;justify-content:space-between;gap:12px;margin-bottom:20px}.number-stats span{font-size:10px;color:#4e6047}.number-stats strong{display:block;font-size:25px;color:#263e2e;margin-top:4px}.number-board{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;padding:10px;background:#b9b6a3;border-radius:10px;width:100%;max-width:440px;margin:auto;touch-action:none;user-select:none}.number-tile{aspect-ratio:1;display:grid;place-items:center;border-radius:5px;background:#d6d4c5;color:#433d30;font-size:clamp(19px,4vw,38px);font-weight:700}.number-tile[data-value="2"]{background:#f7f3e7}.number-tile[data-value="4"]{background:#ede3c9}.number-tile[data-value="8"]{background:#edbd8e}.number-tile[data-value="16"]{background:#e7a97d}.number-tile[data-value="32"]{background:#df9879}.number-tile[data-value="64"]{background:#dca082}.number-tile.high{background:#d9c16c;font-size:clamp(16px,3vw,29px)}.number-tile.changed{animation:tile-arrive .16s ease-out}@keyframes tile-arrive{from{transform:scale(.9)}to{transform:scale(1)}}@media(prefers-reduced-motion:reduce){.number-tile.changed{animation:none}}.number-actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:18px}.number-actions button,.number-panel .direction-pad button{padding:11px 15px;min-height:44px;border:1px solid #bfc8b5;border-radius:6px;background:#faf9f3;color:#263e2e}.number-panel .direction-pad{display:flex;justify-content:center;gap:8px;margin-top:16px}.number-panel p{font-size:12px;line-height:1.7;margin-top:14px;color:#4e6047}.number-panel #status{font-weight:600;color:#263e2e}.number-board:focus-visible{outline:3px solid #c47a4d;outline-offset:4px}@media(max-width:430px){.number-panel{padding:14px}.number-board{gap:6px;padding:7px}.number-stats strong{font-size:21px}}.mini-game .number-panel{max-width:520px;margin:auto}
.number-panel #board.number-board{width:100%;max-width:440px;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px;padding:10px;background:#b9b6a3}
.number-board{cursor:grab;-webkit-user-select:none;-webkit-touch-callout:none}.number-board.dragging{cursor:grabbing}.number-panel .direction-pad{display:grid;grid-template-columns:repeat(3,56px);grid-template-rows:repeat(2,52px);gap:8px}.number-panel .direction-pad button{min-width:52px;min-height:52px;font-size:24px;touch-action:manipulation;user-select:none;-webkit-touch-callout:none}.number-panel .direction-pad [data-direction="up"]{grid-column:2;grid-row:1}.number-panel .direction-pad [data-direction="left"]{grid-column:1;grid-row:2}.number-panel .direction-pad [data-direction="down"]{grid-column:2;grid-row:2}.number-panel .direction-pad [data-direction="right"]{grid-column:3;grid-row:2}.number-panel .direction-pad button:hover,.number-panel .direction-pad button.gesture-active{background:#dbe3cf;border-color:#758a64}.number-panel .direction-pad button:active{background:#c6d4b6;transform:translateY(1px)}.number-panel .number-actions button{min-height:48px;touch-action:manipulation}
.number-panel .direction-pad[role="group"]{display:grid;grid-template-columns:repeat(3,56px);grid-template-rows:repeat(2,52px)}