body.dark-mode{background:#1a1a1a;color:#f2f2f2}body.dark-mode .card-back{background:#444!important;color:#fff}body.dark-mode .card-front{background:#333!important}body.dark-mode .difficulty-settings button{background:#555;color:#fff}body.dark-mode .game-container{background:#222}body.dark-mode hr{border-color:#555}.dark-mode .score-table th{background:#333}body.dark-mode .settings-btn{background:#555}body.dark-mode .settings-panel{background:#333;color:#fff}.dark-mode .difficulty-btn{background:#555!important;border-color:#44566f;color:#e5e5e5}.dark-mode .difficulty-btn:hover{background:#3e4d65;box-shadow:0 6px 12px #ffffff26}.dark-mode .menu-btn{background:#555!important}.dark-mode .menu-btn:hover{background:#444;box-shadow:0 6px 12px #ffffff26}.dark-mode .player-input{background:#333;color:#fff;border-color:#555}.dark-mode .score-table th{background:#333333!important}.dark-mode .settings-overlay{background:rgba(255,255,255,.1)}.dark-mode .settings-panel{background:#1f1f1f;color:#e5e5e5}.dark-mode .popup-content{background:#868686!important;color:#fff}