/* プラグボード */
.plugboard {
    display: grid;
    grid-template-columns: repeat(13, 1fr);
    gap: 8px;
    margin-bottom: 20px;
}

.plug {
    width: 35px;
    height: 35px;
    background:
            radial-gradient(circle at 30% 30%,
            rgba(139, 69, 19, 0.7) 0%,
            rgba(101, 67, 33, 0.8) 50%,
            rgba(62, 39, 35, 0.9) 100%
            );
    border: 2px solid rgba(0, 255, 65, 0.4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    cursor: pointer;
    color: #00ff41;
    text-shadow: 0 0 5px #00ff41;
    transition: all 0.2s ease;
    box-shadow:
            0 0 8px rgba(0, 255, 65, 0.2),
            inset 0 0 8px rgba(0, 0, 0, 0.3);
}

.plug:hover {
    transform: scale(1.1);
    box-shadow:
            0 0 15px rgba(0, 255, 65, 0.4),
            inset 0 0 8px rgba(0, 0, 0, 0.3);
}

.plug.selected {
    background:
            radial-gradient(circle at 30% 30%,
            rgba(255, 165, 0, 0.8) 0%,
            rgba(255, 140, 0, 0.9) 50%,
            rgba(255, 69, 0, 0.95) 100%
            );
    border-color: #ffa500;
    color: #000;
    text-shadow: 0 0 5px #ffa500;
    box-shadow:
            0 0 15px rgba(255, 165, 0, 0.6),
            inset 0 0 8px rgba(0, 0, 0, 0.3);
}

.plug.connected {
    background:
            radial-gradient(circle at 30% 30%,
            rgba(0, 255, 65, 0.8) 0%,
            rgba(0, 200, 50, 0.9) 50%,
            rgba(0, 150, 30, 0.95) 100%
            );
    border-color: #00ff41;
    color: #000;
    text-shadow: 0 0 5px #00ff41;
    box-shadow:
            0 0 15px rgba(0, 255, 65, 0.6),
            inset 0 0 8px rgba(0, 0, 0, 0.3);
}

/* プラグボードのレスポンシブ対応 */
@media (min-width: 1600px) {
    .plug {
        width: 40px;
        height: 40px;
        font-size: 14px;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .plug {
        width: 32px;
        height: 32px;
        font-size: 11px;
    }
}

@media (min-width: 481px) and (max-width: 768px) {
    .plug {
        width: 28px;
        height: 28px;
        font-size: 10px;
    }

    .plugboard {
        grid-template-columns: repeat(11, 1fr);
        gap: 6px;
    }
}

@media (max-width: 480px) {
    .plug {
        width: 25px;
        height: 25px;
        font-size: 9px;
    }

    .plugboard {
        grid-template-columns: repeat(9, 1fr);
        gap: 4px;
    }
}

@media (max-width: 360px) {
    .plug {
        width: 22px;
        height: 22px;
        font-size: 8px;
    }

    .plugboard {
        grid-template-columns: repeat(8, 1fr);
        gap: 3px;
    }
}

@media (max-height: 500px) and (orientation: landscape) {
    .plug {
        width: 24px;
        height: 24px;
        font-size: 9px;
    }

    .plugboard {
        grid-template-columns: repeat(13, 1fr);
        gap: 4px;
    }
}

/* タッチデバイス用の調整 */
@media (hover: none) and (pointer: coarse) {
    .plug {
        /* タッチしやすいサイズに調整 */
        min-width: 44px;
        min-height: 44px;
    }

    .plug:hover {
        /* ホバー効果を無効化 */
        transform: none;
        box-shadow: inherit;
    }
}