:root{--gray: #787c7e;--yellow: #c9b458;--green: #6aaa64;--white: #ffffff;--light-gray: #d3d6da;--dark-gray: #3a3a3c;--background: #121213}*{box-sizing:border-box;font-family:Arial,sans-serif;margin:0;padding:0;touch-action:manipulation}html,body{height:100%;background-color:var(--background)}body{display:flex;justify-content:center;align-items:flex-start;padding:10px;padding-top:max(10px,env(safe-area-inset-top));padding-bottom:max(10px,env(safe-area-inset-bottom));color:#fff;overflow-x:hidden;-webkit-overflow-scrolling:touch}#root{width:100%;max-width:500px;display:flex;flex-direction:column;align-items:center;gap:15px;padding:10px}.app{display:flex;flex-direction:column;align-items:center;gap:15px;width:100%;height:100%}.header{display:flex;justify-content:center;align-items:center;width:100%;padding:8px 0;position:relative;border-bottom:1px solid var(--dark-gray)}h1{font-size:1.5rem;font-weight:700;letter-spacing:.5px}.start-btn{background-color:var(--green);color:#fff;border:none;padding:12px 25px;font-size:1rem;border-radius:8px;cursor:pointer;transition:background-color .2s;width:100%;max-width:200px}.start-btn:disabled{background-color:var(--light-gray);cursor:not-allowed}.start-btn:not(:disabled):hover{background-color:#5d9a57}.game-grid{display:flex;flex-direction:column;gap:5px;width:100%;max-width:350px;margin:0 auto}.grid-row{display:flex;gap:5px;justify-content:center}.grid-cell{flex:1;aspect-ratio:1/1;max-width:55px;display:flex;justify-content:center;align-items:center;font-size:1.5rem;font-weight:700;text-transform:uppercase;transition:all .3s ease;background-color:transparent;color:#fff;border:2px solid var(--dark-gray);border-radius:4px}.grid-cell.filled{border-color:var(--light-gray)}.grid-cell.gray{background-color:var(--gray);border-color:var(--gray)}.grid-cell.yellow{background-color:var(--yellow);border-color:var(--yellow)}.grid-cell.green{background-color:var(--green);border-color:var(--green)}.keyboard-container{width:100%;position:fixed;bottom:max(10px,env(safe-area-inset-bottom));left:0;right:0;padding:0 5px;max-width:500px;margin:0 auto}.keyboard{display:flex;flex-direction:column;gap:5px;width:100%}.keyboard-row{display:flex;gap:4px;justify-content:center;height:50px}.key{flex:1;min-width:8px;height:100%;border:none;border-radius:4px;background-color:var(--light-gray);color:#fff;font-size:.9rem;font-weight:700;cursor:pointer;display:flex;justify-content:center;align-items:center;text-transform:uppercase;transition:background-color .2s;-webkit-user-select:none;user-select:none}.key.gray{background-color:var(--gray);color:#fff}.key.yellow{background-color:var(--yellow);color:#fff}.key.green{background-color:var(--green);color:#fff}.wide-key{flex:2;min-width:0;font-size:.8rem}.message-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#000000b3;display:flex;justify-content:center;align-items:center;z-index:100;padding:15px}.message-box{background-color:var(--background);padding:25px 20px;border-radius:10px;text-align:center;position:relative;font-size:1rem;width:100%;max-width:300px;border:1px solid var(--dark-gray);box-shadow:0 4px 12px #00000080}.close-btn{position:absolute;top:5px;right:10px;background:none;border:none;font-size:1.5rem;cursor:pointer;color:#fff}@media (max-width: 350px){.grid-cell{font-size:1.3rem}.key{font-size:.8rem}.wide-key{font-size:.7rem}}@keyframes flip{0%{transform:rotateX(0)}50%{transform:rotateX(90deg)}to{transform:rotateX(0)}}@keyframes shake{0%,to{transform:translate(0)}20%,60%{transform:translate(-4px)}40%,80%{transform:translate(4px)}}.shake{animation:shake .5s ease}