@media (max-width: 768px) {
    .mobile-controls-wrapper {
        display: flex;
    }

    .game-board-container {
        max-width: 380px;
    }

    .info-panel {
        padding: 10px 12px 14px;
    }

    .special-features {
        flex-direction: column;
        align-items: center;
    }

    .feature-toggle, .player-speed-control, .game-area-control, .target-score-control {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .copyright-section {
        margin-top: 14px;
        padding: 8px 0;
    }

    .lobby-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .lobby-rooms { min-height: 200px; }
    .lobby-chat { min-height: 160px; }

    .room-split {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .room-member-list {
        border-right: none;
        border-bottom: 1px solid #ececec;
        max-height: 150px;
    }

    .room-chat-col { min-height: 180px; }

    .arena-scores {
        top: 8px;
        left: 8px;
        padding: 8px 12px;
        min-width: 130px;
        font-size: 0.74rem;
    }

    .minimap-wrap { bottom: 8px; right: 8px; }
    #minimapCanvas { width: 110px; height: 110px; }

    .leaderboard-panel { padding: 10px 12px; }
    .lb-body { max-height: 130px; }

    .player-avatar { width: 20px; height: 20px; }
    .chat-avatar { width: 16px; height: 16px; }

    .online-container { padding: 12px; }
    .online-container h1 { font-size: 1.2rem; }
}

@media (min-width: 769px) {
    .game-area {
        flex-direction: row;
        align-items: flex-start;
        gap: 16px;
    }

    .game-board-container {
        flex: 3;
    }

    .info-panel {
        flex: 1;
        min-width: 240px;
        margin-top: 4px;
    }
}

@media (max-width: 480px) {
    .game-container { padding: 14px; border-radius: 14px; }

    h1 { font-size: 1.3rem; margin-bottom: 8px; }

    .mode-selector { gap: 6px; margin: 6px 0; }
    .mode-btn { padding: 7px 12px; font-size: 0.8rem; min-width: 65px; }

    .score-container { gap: 6px; }
    .score, .high-score, .level, .p2-score { padding: 6px 8px; min-width: 60px; font-size: 0.78rem; }

    .theme-btn { width: 26px; height: 26px; }

    .controls button { padding: 9px 10px; min-width: 65px; font-size: 0.78rem; }

    .mobile-controls button { width: 42px; height: 42px; font-size: 1rem; }

    .overlay-box { padding: 22px 18px; max-width: 320px; }

    .arena-scores { display: none; }

    .online-indicator { font-size: 0.72rem; padding: 5px 10px; }
    .user-badge { font-size: 0.72rem; padding: 5px 10px; }

    .player-avatar { width: 18px; height: 18px; }
    .chat-avatar { width: 14px; height: 14px; }
    .room-player-item { padding: 6px 10px; font-size: 0.78rem; }
    .chat-msg { font-size: 0.74rem; }
    .panel-head { padding: 9px 12px; font-size: 0.82rem; }
    .room-bar { padding: 9px 12px; font-size: 0.78rem; }
    .room-foot { padding: 9px 12px; }
    .btn-pink, .btn-blue, .btn-gray { padding: 8px 16px; font-size: 0.82rem; }
    .btn-sm { padding: 6px 12px; font-size: 0.74rem; }
}

@media (max-width: 360px) {
    .mode-selector { gap: 5px; }
    .mode-btn { padding: 6px 10px; font-size: 0.74rem; min-width: 55px; }
    .mobile-controls button { width: 38px; height: 38px; font-size: 0.92rem; }
    .player-avatar { width: 16px; height: 16px; }
    .chat-avatar { width: 12px; height: 12px; }
}

@media (hover: none) and (pointer: coarse) {
    .mobile-controls-wrapper { display: flex; }
    .mode-btn:active { transform: translateY(1px); }
    .controls button:active { transform: translateY(1px); }
    .room-item:active { background: #f5f5f5; }
}