.game-header{text-align:center;margin-bottom:2rem}.game-header h1{font-size:2.5rem;color:var(--text-color);margin-bottom:.5rem}.game-header p{font-size:1.1rem;color:var(--text-muted-color)}.game-container{max-width:550px;margin:0 auto}.game-settings{background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:12px;padding:1.5rem;margin-bottom:2rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.setting-group{display:flex;align-items:center;gap:.5rem;flex-grow:1}.setting-group label{font-weight:700;font-size:.9rem}.setting-group select{width:100%;max-width:200px;background-color:var(--bg-color);color:var(--text-color);border:1px solid var(--border-color);border-radius:8px;padding:.5rem;font-family:var(--font-sans);transition:border-color .3s}.setting-group select:focus{border-color:var(--primary-color);outline:none}.game-status{display:flex;justify-content:center;align-items:center;gap:1rem;margin-bottom:1rem;flex-wrap:wrap}.status-item{background-color:var(--surface-color);border:1px solid var(--border-color);padding:.5rem 1rem;border-radius:8px;display:flex;align-items:center;gap:.75rem;font-weight:700;transition:all .3s ease}.status-item.active{border-color:var(--primary-color);box-shadow:0 0 10px -2px var(--primary-color)}.chip{width:20px;height:20px;border-radius:50%}.chip.red{background-color:#ef4444}.chip.yellow{background-color:#f59e0b}.status-icon{font-size:1.2rem}.game-info{text-align:center;margin-bottom:2rem;padding:1rem;background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:8px;font-weight:700;color:var(--primary-color)}.game-board-container{padding:1rem;background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:12px;margin-bottom:2rem}.column-buttons{display:grid;grid-template-columns:repeat(7,1fr);gap:.5rem;margin-bottom:1rem}.column-btn{background-color:transparent;border:2px solid var(--primary-color);color:var(--primary-color);border-radius:8px;padding:.5rem 0;font-size:1.5rem;font-weight:700;cursor:pointer;transition:all .3s ease}.column-btn:hover:not(:disabled){background-color:var(--primary-color);color:var(--bg-color)}.column-btn:disabled{opacity:.4;cursor:not-allowed}.game-board{display:grid;grid-template-columns:repeat(7,1fr);grid-template-rows:repeat(6,1fr);gap:.5rem;background-color:var(--primary-color);border-radius:8px;padding:.5rem}.cell{aspect-ratio:1 / 1;background-color:var(--bg-color);border-radius:50%;display:flex;align-items:center;justify-content:center;overflow:hidden}.chip-piece{width:85%;height:85%;border-radius:50%;transform:translateY(-600%);transition:transform .4s cubic-bezier(.5,0,.75,0)}.chip-piece.dropped{transform:translateY(0)}.chip-piece.red{background-color:#ef4444}.chip-piece.yellow{background-color:#f59e0b}.chip-piece.winning{animation:winning-pulse .8s infinite alternate}@keyframes winning-pulse{0%{transform:scale(1);box-shadow:0 0 #fff}to{transform:scale(1.1);box-shadow:0 0 0 5px #fff}}.game-controls{display:flex;gap:1rem;justify-content:center}@media (max-width: 480px){.game-settings{flex-direction:column;align-items:stretch}}