*{margin:0;padding:0;box-sizing:border-box}:root{--bg: #2c3e50;--panel-bg: rgba(187, 187, 187, .66);--tile-bg: linear-gradient(145deg, #dbb577, #b8894e);--tile-clicked-bg: #888;--font-digital: "Orbitron", sans-serif}body{font-family:Arial,sans-serif;background:var(--bg);display:flex;justify-content:center;align-items:center;min-height:100vh;color:#fff}.game-container{display:flex;gap:20px;padding:20px}.board-area{position:relative}.grid{display:grid;grid-template-columns:repeat(var(--grid-size, 6),1fr);gap:4px;width:456px;height:456px;background:#1a2530;padding:4px;border-radius:8px}.tile{position:relative;display:flex;align-items:center;justify-content:center;background:linear-gradient(145deg,#dbb577,#b8894e);border:1px solid #a07040;border-radius:6px;cursor:pointer;box-shadow:inset 2px 2px 4px #ffffff4d,inset -2px -2px 4px #00000026,2px 2px 6px #0000004d;transition:opacity .15s,transform .1s;padding:0}.tile:hover:not(:disabled){transform:scale(1.05);box-shadow:inset 2px 2px 4px #fff6,inset -2px -2px 4px #0003,3px 3px 10px #0006}.tile:disabled{opacity:.4;cursor:default;transform:none}.tile.clicked{background:var(--tile-clicked-bg);box-shadow:inset 0 2px 4px #00000080;opacity:.5}.tile-letter{font-size:var(--tile-font-size, 20px);font-weight:700;color:#1a1a1a}.tile-value{position:absolute;bottom:2px;right:4px;font-size:calc(var(--tile-font-size, 20px) * .5);color:#444;font-weight:700}.score-float-container{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;overflow:hidden}.score-float{position:absolute;top:50%;left:50%;font-family:var(--font-digital);font-size:4rem;font-weight:900;color:#2ecc71;text-shadow:0 0 20px rgba(46,204,113,.8);animation:float-up 1s ease-out forwards;pointer-events:none}@keyframes float-up{0%{opacity:1;transform:translate(-50%,-50%) scale(1)}to{opacity:0;transform:translate(-50%,-150%) scale(1.5)}}.side-panel{display:flex;flex-direction:column;gap:15px;align-items:center;min-width:160px}.panel-box{background:var(--panel-bg);border-radius:8px;padding:10px 20px;text-align:center;width:100%}.panel-label{font-family:var(--font-digital);font-size:14px;color:#333;margin-bottom:4px}.panel-value{font-family:var(--font-digital);font-size:2rem;font-weight:700;color:#1a1a1a}.time-value{font-size:2.2rem}.time-expired{color:red!important}.controls{display:flex;flex-direction:column;gap:8px;width:100%}.grid-size-control{display:flex;align-items:center;justify-content:space-between;gap:8px}.grid-size-control label{font-family:var(--font-digital);font-size:14px}.grid-size-control select{font-family:var(--font-digital);font-size:14px;padding:6px 10px;border-radius:4px;border:none;background:#444;color:#fff;cursor:pointer;flex:1}.game-btn{font-family:var(--font-digital);font-size:16px;font-weight:700;color:#fff;padding:10px;border:none;border-radius:6px;cursor:pointer;background:linear-gradient(#777,#606060 50%,#505250 51%,#2a2b2a);box-shadow:0 2px 4px #0000004d;transition:opacity .15s}.game-btn:hover:not(:disabled){opacity:.85}.game-btn:disabled{opacity:.4;cursor:default}.action-btns{display:flex;gap:8px;width:100%}.action-btn{flex:1}.help-text{font-size:12px;color:#bbb;text-align:left;line-height:1.8}@media(max-width:680px){.action-btns{order:-1}.action-btn{padding:14px 8px;font-size:16px}.help-text{display:none}}.help-text kbd{display:inline-block;padding:2px 6px;background:#444;border-radius:3px;font-family:monospace;font-size:11px;margin-right:4px}@media(max-width:680px){.game-container{flex-direction:column;align-items:center}.grid{width:min(456px,calc(100vw - 40px));height:min(456px,calc(100vw - 40px))}.side-panel{flex-direction:row;flex-wrap:wrap;justify-content:center;gap:10px}.panel-box{width:auto;min-width:100px;flex:1}.controls{flex-direction:row;flex-wrap:wrap;justify-content:center}.controls>*{flex:1;min-width:120px}.help-text{text-align:center;width:100%}.action-btns{order:-1;width:100%}}